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Fungus species Black & White Stock Photos
RMPFXCR5–. The care of trees in lawn, street and park, with a list of trees and shrubs for decorative use. Trees; Trees. Callusing and Repairing 91 applied, while in spring the oozing sap of many species ill prevent the paint from sticking or the tar from penetrating. If pruned in the fall, the wound wood begins to form in the early spring and is vell advanced before the fungus spores begin to fly. The com- parative absence of fungus spores in late fall and the fact that the form of the tree is better visible when the foliage Fig 21 —Malleable pmnmg has left it also favors this season as compared wi
![. Fundamentals of botany. Botany. 326 STRUCTURE AND LIFE HISTORIES. Fig. 232.—Diagram of a nest of a fungus-growing ant {Trachymyrmex obscurior), showing four chambers. The pendant white masses in three of the chambers are the mycelium of the fungus—the so-called "fungus- gardens." The species of the fungus has not been definitely determined, but they are thought to belong to the Ascomycetes. (After W. M. Wheeler.). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrati Stock Photo](https://c8.alamy.com/comp/RE2FF0/fundamentals-of-botany-botany-326-structure-and-life-histories-fig-232diagram-of-a-nest-of-a-fungus-growing-ant-trachymyrmex-obscurior-showing-four-chambers-the-pendant-white-masses-in-three-of-the-chambers-are-the-mycelium-of-the-fungusthe-so-called-quotfungus-gardensquot-the-species-of-the-fungus-has-not-been-definitely-determined-but-they-are-thought-to-belong-to-the-ascomycetes-after-w-m-wheeler-please-note-that-these-images-are-extracted-from-scanned-page-images-that-may-have-been-digitally-enhanced-for-readability-coloration-and-appearance-of-these-illustrati-RE2FF0.jpg ". Fundamentals of botany. Botany. 326 STRUCTURE AND LIFE HISTORIES. Fig. 232.—Diagram of a nest of a fungus-growing ant {Trachymyrmex obscurior), showing four chambers. The pendant white masses in three of the chambers are the mycelium of the fungus—the so-called "fungus- gardens." The species of the fungus has not been definitely determined, but they are thought to belong to the Ascomycetes. (After W. M. Wheeler.). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrati Stock Photo")
RMRE2FF0–. Fundamentals of botany. Botany. 326 STRUCTURE AND LIFE HISTORIES. Fig. 232.—Diagram of a nest of a fungus-growing ant {Trachymyrmex obscurior), showing four chambers. The pendant white masses in three of the chambers are the mycelium of the fungus—the so-called "fungus- gardens." The species of the fungus has not been definitely determined, but they are thought to belong to the Ascomycetes. (After W. M. Wheeler.). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrati
RMPG0D4K–. Manual of tree diseases . Trees. 308 MANUAL OF TREE DISEASES bark are invaded by the mycelium and the living tissues are killed. Fruiting-bodies of two kinds are formed by the causal fungus. They are sometimes considered as two separate species. One form is distinctly hoof-shaped with a jet-black and ex- tremely checked, charcoal-like upper surface (type of Forms igniarius, Fig. 59), while the other is more shelf-like, with the gray to black upper surface marked with concentric arched. Fig. 60. — Fruiting-body of Fames igniarius. This form is sometimes called Ftymes nigricans. ridges and is
RMRE1N82–. College botany; structure, physiology and economics of plants. Botany. THALLOPHYTES—FUNGI 285 Their function is uncertain. Although, the barberry is an im- portant factor, it is not necessary for the continuation of this fungus on the wheat, the uredospores from one plant can infect another plant and the fungus can be perpetuated indefinitely in this manner. Many of the rusts have only one host; some of them have only two stages and others only one. They are said. Fig. 135. —Cedar rust. to be the most highly specialized parasites in the plant kingdom. Other very important species are the app
RMPG463P–. Farm friends and farm foes : a text-book of agricultural science . Agricultural pests; Beneficial insects; Insect pests. FUNGOUS DISEASES OF INSECTS 273 by a fungus belonging to this group, developing a curious growth that generally projects from the head. White Fly Fungi One of the most noted illustrations of the effect of para- sitic fungi upon injurious insects is found in the case of the White Fly or Aleyrodes, various species of which are destructive to orange and other trees in the Southern and Pacific coast states. Similar species are also destructive in greenhouses in the North. At l
RMRDCEM2–. Comparative morphology and biology of the fungi, mycetozoa and bacteria . Plant morphology; Fungi; Myxomycetes; Bacteriology. 414 DIVISION III.—MODE OF LIFE OF THE FUNGI. Thwaites was the first to describe*. Neither changes of structure nor premature death have been observed in the algal cells on account of this attachment to the hyphae. But the effect of the Fungus on the Algae is shown in a very remarkable manner by the formation of a thallus of a fixed shape, which in some species is of comparatively large size and has a progressive marginal growth, while the gelatinous colonies of Gloeoc
RMPG159C–. Chestnut blight. Chestnut blight; Chestnut. CHKRTNnT BLIGHT AND RKSISTANT CTIESTNl^TR. Figure 2.—Blight-killed Amerieun chestnut trees in the mountains of North Carolina. SUSCEPTIBLE SPECIES The chestnut blight fungus is most virulent on the American chestnut, but is only slightly less so on the European species.^ It af- fects all the species of chinkapin native to the southeastern United States. Chinkapins range in size from small, low-growing shrubs to trees sometimes 2 feet or more in trunk diameter and 65 feet tall. Many chinkapins have been killed by the blight; however, chinkapins spro
RMRDBHKB–. Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches. Gardening. 732. Peaches of last year's crop still hang:ing: on the tree, attacked by monilia (X M). The branch is dead from the effects of the fungus. both, and frequently destroying the crop. Many ex- periments have demonstrated that this scab-produc- ing fungus can be kept down by the use of the Bordeaux mixture and var
RMPG3NFR–. Fungous diseases of plants : with chapters on physiology, culture methods and technique . Fungi in agriculture. AUTOBASIDIOMYCETES 465. Fig. 231. Fomes Pinicola on Dead Hemlock. (Photograph by Geo. F. Atkinson) also a conspicuous form. Under the conditions now necessarily confronting those interested in forestry, there is no practical method of control. In the woodlot these fungi will prove far less serious. Fomes igniarius (L.) Gillett. This species, commonly known as the false tinder fungus, occurs upon a great variety of deciduous. Please note that these images are extracted from scanned
![. Our edible toadstools and mushrooms and how to distinguish them; a selection of thirty native food varieties, easily recognizable by their marked individualities, with simple rules for the identification of poisonous species. Mushrooms; Cookery (Mushrooms); cbk. â TR introductory description of the Ama- nita presents the most perfect botan- ical type of a large division of the W"^^ fungus tribe, the Agaricacece, or gill- bearing mushrooms, one of the two great orders of fungi which include the large major- ity of edible species. A brief consideration of the general classification of fun Stock Photo](https://c8.alamy.com/comp/RDW93M/our-edible-toadstools-and-mushrooms-and-how-to-distinguish-them-a-selection-of-thirty-native-food-varieties-easily-recognizable-by-their-marked-individualities-with-simple-rules-for-the-identification-of-poisonous-species-mushrooms-cookery-mushrooms-cbk-tr-introductory-description-of-the-ama-nita-presents-the-most-perfect-botan-ical-type-of-a-large-division-of-the-wquot-fungus-tribe-the-agaricacece-or-gill-bearing-mushrooms-one-of-the-two-great-orders-of-fungi-which-include-the-large-major-ity-of-edible-species-a-brief-consideration-of-the-general-classification-of-fun-RDW93M.jpg ". Our edible toadstools and mushrooms and how to distinguish them; a selection of thirty native food varieties, easily recognizable by their marked individualities, with simple rules for the identification of poisonous species. Mushrooms; Cookery (Mushrooms); cbk. â TR introductory description of the Ama- nita presents the most perfect botan- ical type of a large division of the W"^^ fungus tribe, the Agaricacece, or gill- bearing mushrooms, one of the two great orders of fungi which include the large major- ity of edible species. A brief consideration of the general classification of fun Stock Photo")
RMRDW93M–. Our edible toadstools and mushrooms and how to distinguish them; a selection of thirty native food varieties, easily recognizable by their marked individualities, with simple rules for the identification of poisonous species. Mushrooms; Cookery (Mushrooms); cbk. â TR introductory description of the Ama- nita presents the most perfect botan- ical type of a large division of the W"^^ fungus tribe, the Agaricacece, or gill- bearing mushrooms, one of the two great orders of fungi which include the large major- ity of edible species. A brief consideration of the general classification of fun
RMPG0GW5–. North American trees : being descriptions and illustrations of the trees growing independently of cultivation in North America, north of Mexico and the West Indies . Trees. 4i8 The Plane Tree Family leaves being killed in May or June by the minute fungus Glocosporium nervi- sequum Saccardo, though the second crop of leaves clothes the branches in July. The European species, P. orientalis Linnasus, is less subject to this disease. 2. ARIZONA SYCAMORE — Platanus Wrightii S. Watson This tree is also called the Arizona plane tree, but locally simply Sycamore. It is known only from the mountain c
![. A manual of the North American gymnosperms [microform] : exclusive of the cycadales but together with certain exotic species. Bois; Trees; Gymnosperms; Gymnospermes; Arbres; Wood. 188 ANATOMY OF THE GYMNOSPERMS free growth afforded by the long cavity of the tracheid or resin passage may serve somewhat to influence the direction of growth as the fungus searches for food, although, as in the previous case, it cannot be regarded as a determining factor of primary importance, inasmuch as there is a constant tendency to the formation of branches which traverse the wood at right angles to the wall Stock Photo](https://c8.alamy.com/comp/REN2WP/a-manual-of-the-north-american-gymnosperms-microform-exclusive-of-the-cycadales-but-together-with-certain-exotic-species-bois-trees-gymnosperms-gymnospermes-arbres-wood-188-anatomy-of-the-gymnosperms-free-growth-afforded-by-the-long-cavity-of-the-tracheid-or-resin-passage-may-serve-somewhat-to-influence-the-direction-of-growth-as-the-fungus-searches-for-food-although-as-in-the-previous-case-it-cannot-be-regarded-as-a-determining-factor-of-primary-importance-inasmuch-as-there-is-a-constant-tendency-to-the-formation-of-branches-which-traverse-the-wood-at-right-angles-to-the-wall-REN2WP.jpg ". A manual of the North American gymnosperms [microform] : exclusive of the cycadales but together with certain exotic species. Bois; Trees; Gymnosperms; Gymnospermes; Arbres; Wood. 188 ANATOMY OF THE GYMNOSPERMS free growth afforded by the long cavity of the tracheid or resin passage may serve somewhat to influence the direction of growth as the fungus searches for food, although, as in the previous case, it cannot be regarded as a determining factor of primary importance, inasmuch as there is a constant tendency to the formation of branches which traverse the wood at right angles to the wall Stock Photo")
RMREN2WP–. A manual of the North American gymnosperms [microform] : exclusive of the cycadales but together with certain exotic species. Bois; Trees; Gymnosperms; Gymnospermes; Arbres; Wood. 188 ANATOMY OF THE GYMNOSPERMS free growth afforded by the long cavity of the tracheid or resin passage may serve somewhat to influence the direction of growth as the fungus searches for food, although, as in the previous case, it cannot be regarded as a determining factor of primary importance, inasmuch as there is a constant tendency to the formation of branches which traverse the wood at right angles to the wall
RMPG45EB–. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 661 Soon the sclerotia form as mustard-seed-like bodies. They are produced in great abundance on all media but neither these struc- tures nor the mycelium have yet been seen to bear spores of any kind. The fungus was first studied by Halsted =' and later by many others. It was described and named by Saccardo from speci- mens communicated by Stevens. S. cepivorum Berk. Minute, spherical, gregarious, black. It is found on various species of Allium, causing rot.. Fig. 447.—S. roUsii, sclerotia. Afte
RMRDBBM4–. Chestnut blight. Chestnut blight; Chestnut. ENDOTHIA PARASITICA AND RELATED SPECIES. 49 the Gulf of Mexico. There is, however, a very great difference in the abundance of this species at different points. In the southeastern United States—that is, the region south of central Indiana and southern Virginia and east of central Arkansas and Louisiana—this species occurs in greaj;; abundance wherever its hosts are found. Broken branch stubs and exposed roots of Liquidambar, Fagus, and Quercus are covered with fructifications of this fungus. This is especially true of roots exposed by erosion or e
RMPG447X–. The fungal diseases of the common larch . Larches. 102 HEART-ROT. made very nearly up to the margin, so that in the resting stage the fungus has the appearance shown in fig. 39. A very constant feature of the fructifications of this species is the holes in the sporophores. When the latter encounter a small root or stick, or even a blade of grass, they grow round it, leaving a hole such as those seen in fig. 39. These holes differ from those made under similar circumstances by most other fungi, by being surrounded by a reddish-brown ridge of sterile tissue. This ridge forms one of the most us
RMRDE24A–. A text-book of mycology and plant pathology . Plant diseases; Fungi in agriculture; Plant diseases; Fungi. FUNGI IMPERKECTX (dEUTEROMYCETES) 261 groups of ASCOMYCETALES. Four families are included in this order, and these families include a considerable number of important genera of fungi, which specifically are the cause of important plant diseases. Phyllosticta is a genus, the species of which are confined to leaves, and they produce characteristic leaf spots on a great variety of plants. The specific name of the fungus is usually derived from that of the host plant attacked, as for exampl
RMPG21XF–. An illustrated descriptive catalogue of the coleoptera or beetles (exclusive of the Rhynchophora) known to occur in Indiana : with bibliography and descriptions of new species . Beetles. THE PLEASING FUNGUS BEETLES. 545 b. Mead and thorax nearly smooth; elytra with blacjv crossbars; length 12-15 llllll. 1039. FASCIATA. 66. Head and Ihorax very coarsely and distinctly imuctured; elytra each with four black spots; length less than 6 mm. 1041. ulkei. *10:',n (3216). Megalodacne fasciata Fab., Ent. Syst., II, 1798, 511. Oblong-ovate. Black, shining; elytra with two reddish crossbars, the basal o
![. Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches. Gardening. 724, Currant foliage attacked by the leaf-spot fungus (X J^). rium carpophilum). The most obscure disease of the peach is the "yellows," a name given to a contagious disorder that manifests itself in a premature ripening of thefruit, which takes on an unnatural spotting of red or purple, with the fles Stock Photo](https://c8.alamy.com/comp/RDBHJX/cyclopedia-of-american-horticulture-comprising-suggestions-for-cultivation-of-horticultural-plants-descriptions-of-the-species-of-fruits-vegetables-flowers-and-ornamental-plants-sold-in-the-united-states-and-canada-together-with-geographical-and-biographical-sketches-gardening-724-currant-foliage-attacked-by-the-leaf-spot-fungus-x-j-rium-carpophilum-the-most-obscure-disease-of-the-peach-is-the-quotyellowsquot-a-name-given-to-a-contagious-disorder-that-manifests-itself-in-a-premature-ripening-of-thefruit-which-takes-on-an-unnatural-spotting-of-red-or-purple-with-the-fles-RDBHJX.jpg ". Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches. Gardening. 724, Currant foliage attacked by the leaf-spot fungus (X J^). rium carpophilum). The most obscure disease of the peach is the "yellows," a name given to a contagious disorder that manifests itself in a premature ripening of thefruit, which takes on an unnatural spotting of red or purple, with the fles Stock Photo")
RMRDBHJX–. Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches. Gardening. 724, Currant foliage attacked by the leaf-spot fungus (X J^). rium carpophilum). The most obscure disease of the peach is the "yellows," a name given to a contagious disorder that manifests itself in a premature ripening of thefruit, which takes on an unnatural spotting of red or purple, with the fles
RMPG3YT9–. Fungous diseases of plants : with chapters on physiology, culture methods and technique . Fungi in agriculture. Fig. 74. Botkyt/s c/,erea. (After R. E. Smith) .7, portion of conidiophore ; 6, organ of attachment The fungus: morphology and biology. Under Sclcrotinia Fuckeliatia it is intended to include the forms of disease which may be attributed in Europe to Botrytis cinerca Pers. and in America to Botrytis vulgaris Fr. It has been satisfactorily dem- onstrated that these two names apply to a single species, a typical conidiophore of which is illustrated in Fig. 74. The observations of De
RMRDJ67R–. Fungous diseases of plants : with chapters on physiology, culture methods and technique . Fungi in agriculture. 342 FUNGOUS DISEASES OF PLANTS appearance which often greatly depreciates its market value. The tissue beneath the spots is dry and brown. The fungus. The first studies upon this disease seemed to indi- cate that it was not produced by a fungus, but recent studies .have demonstrated the causal relation of a fungus which seems to be properly a species of Cylindrosporium, as the title suggests. The mycelium is hyaline, septate, and intercellular. Chlamydospores are common in the host
RMPFXCR6–. The care of trees in lawn, street and park, with a list of trees and shrubs for decorative use. Trees; Trees. Callusing and Repairing 91 applied, while in spring the oozing sap of many species ill prevent the paint from sticking or the tar from penetrating. If pruned in the fall, the wound wood begins to form in the early spring and is vell advanced before the fungus spores begin to fly. The com- parative absence of fungus spores in late fall and the fact that the form of the tree is better visible when the foliage Fig 21 —Malleable pmnmg has left it also favors this season as compared wi
RMRDJ67B–. Fungous diseases of plants : with chapters on physiology, culture methods and technique . Fungi in agriculture. FUNGI IMPERFECTI 347 Phyllosticta maculicola Hals.1 is the cause of a very common leaf spot of several species of Dracaena and Cordyline. The spots are characterized by pale centers an'd reddish or purplish borders. The disease is sometimes severe in greenhouses where it has long been allowed to proceed unchecked. It is, however, readily pre- vented by spraying with potassium sulfide solution. Phyllosticta Ampelopsidis Ell. & Mart, is perhaps closely related to the fungus causi
![. An illustrated descriptive catalogue of the coleoptera or beetles (exclusive of the Rhynchophora) known to occur in Indiana : with bibliography and descriptions of new species . Beetles. THE DARKLING BEETLES. l-{)7 KKV TO GE.NERA OF BOLETOrilAOINI. (/. Aiiteiuiii' lO-joiuted; e.os not entirely dividGrl. XXni, BOLETOTIIKRUS "('. Antennu'll-jomtecl; e.ws comiiletely divided. XXIV. Boletophabi s. XXIII. BoLETOTHERUs Candeze. ]861. (Gr., "fungus + to hunt." In this genus the males have two horns, slightly curved and broader at tip, projecting forward from the thorax, and a short Stock Photo](https://c8.alamy.com/comp/PG3GMF/an-illustrated-descriptive-catalogue-of-the-coleoptera-or-beetles-exclusive-of-the-rhynchophora-known-to-occur-in-indiana-with-bibliography-and-descriptions-of-new-species-beetles-the-darkling-beetles-l-7-kkv-to-genera-of-boletorilaoini-aiiteiuiii-lo-joiuted-eos-not-entirely-dividgrl-xxni-boletotiikrus-quot-antennull-jomtecl-ews-comiiletely-divided-xxiv-boletophabi-s-xxiii-boletotherus-candeze-861-gr-quotfungus-to-huntquot-in-this-genus-the-males-have-two-horns-slightly-curved-and-broader-at-tip-projecting-forward-from-the-thorax-and-a-short-PG3GMF.jpg ". An illustrated descriptive catalogue of the coleoptera or beetles (exclusive of the Rhynchophora) known to occur in Indiana : with bibliography and descriptions of new species . Beetles. THE DARKLING BEETLES. l-{)7 KKV TO GE.NERA OF BOLETOrilAOINI. (/. Aiiteiuiii' lO-joiuted; e.os not entirely dividGrl. XXni, BOLETOTIIKRUS "('. Antennu'll-jomtecl; e.ws comiiletely divided. XXIV. Boletophabi s. XXIII. BoLETOTHERUs Candeze. ]861. (Gr., "fungus + to hunt." In this genus the males have two horns, slightly curved and broader at tip, projecting forward from the thorax, and a short Stock Photo")
RMPG3GMF–. An illustrated descriptive catalogue of the coleoptera or beetles (exclusive of the Rhynchophora) known to occur in Indiana : with bibliography and descriptions of new species . Beetles. THE DARKLING BEETLES. l-{)7 KKV TO GE.NERA OF BOLETOrilAOINI. (/. Aiiteiuiii' lO-joiuted; e.os not entirely dividGrl. XXni, BOLETOTIIKRUS "('. Antennu'll-jomtecl; e.ws comiiletely divided. XXIV. Boletophabi s. XXIII. BoLETOTHERUs Candeze. ]861. (Gr., "fungus + to hunt." In this genus the males have two horns, slightly curved and broader at tip, projecting forward from the thorax, and a short
RMRDX21P–. The fern allies of North America north of Mexico. Pteridophyta; Botany. 74 THE LYCOPODIACE/E. their food as other plants do, and so have set up a part- nership with a fungus which is always present and aids in the work. The prothallia of certain exotic species liv- ing on trees are slender, much-branched structures and are saprophytic, that is, they live, like the mushrooms, upon the decayed vegetable matter in their vicinity. ' Be- cause of this asso- ciated fungus it is a difficult matter t o grow the prothallia of the Lycopodiaceae, and that of many species has never been seen. Further ob
RMPG3RTH–. The essentials of botany. Botany. 140 BOTANY. fungus which protrude through the epidermis of the host. In the Mildews (species of Peronospora) these branches. Fig. 66.âShowing tips of two conidia-beaiing branches of Potato-mildew (Peronospora infestans). Highly magnified. find their way through the breathing-pores, and bear their spores singly upon lateral branchlets (Fig. 66); in the White Rusts (species of Cystopus) the conidia-bearing branches collect under the epidermis and rupture it. Here the coni- dia are borne in chains or bead-like rows (Fig. 67). 292. In some species the conidia ge
RMRDE23A–. A text-book of mycology and plant pathology . Plant diseases; Fungi in agriculture; Plant diseases; Fungi. FUNGI IMPERFECTI (dEUTEROMYCETES) 267 fungus which causes leaf spot of beets, Cercospora beticola. The form genus Fusarium (Fig. 109), established by Link in 1809, is one which has come into prominence recently as associated with the production of serious plant diseases. At least eleven species are found on the sweet potato (Fig. 108), and these have been investigated by H. W. WoUenweber' and other mycologists. He finds that the genus has a number of vegetative and spore stages the vari
RMPG4AWC–. Diseases of plants induced by cryptogamic parasites : introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae . Plant diseases; Parasitic plants; Fungi. GYMNOSPORANGIUM. 397 the species already described in remaining closed at the apex, the spores escaping through trellis-like slits on the lateral walls of the peridia (Fig. 234). This fungus will not germinate on apple-trees, but on pears every leaf may be thickly covered with aecidia and pycnidia, and considerable damage to the crop thereby ensue (Fig. 233)... Pig. 231.—Longitudinal section through a conical teleut
RMRDX0WE–. Fungi, ascomycetes, ustilaginales, uredinales. Fungi. Federley, in 1903, described specimens of this fungus in which conjugation is followed not only by the migration of the nucleus of one of the cells concerned, but also by nuclear fusion (fig. 15s). In view of the fusion in the young spore recorded by Dangeard and by Rawitscher the details of de- velopment in this species de- mand further investigation. Ustilago Maydis, the smut of Zea Mays, induces con- siderable hypertrophy. The deformations contain a mass of gelatinous mycelium from which brand-spores are produced. When mature, the spor
RMPG4FC4–. Minnesota plant diseases. Plant diseases. Minnesota Plant Diseases. 177 and the tinder fungus, may be mentioned as a few of the numer- ous common forms of these pore fungi. In addition to the gelat- inous and tough and fleshy pores are the beefsteak fungi which are very soft; in these the pores with their surrounding walls are free from each other and look like small dependent tubes. Fig. -A stick-dwelling gill fungus (Lenzites betulina), on a dead branch of Original. birch. hanging from the fruiting body. Most of these forms are edi- ble. Somewhat similar to these are the species of Boletus
RMRDXH6A–. Introduction to the study of fungi; their organography, classification, and distribution, for the use of collectors. Fungi. DISCOID FUNGI—DISCOMYCETES 179. Fig. 73.—Himalayan morel,' with section and sporidium. India a large leathery Fungus of the genus Midotis takes the place of the species of Otidea found in Europe. The Fungi in this group which exercise a deleterious influence on growing plants are limited in number, and con- fined to two or three genera. It has been declared that a small Peziza, under the name of Peziza Willhommi, is the cause of the devas- tating larch disease; whereas
![. The fungi which cause plant disease . Plant diseases; Fungi. 610 THE FUNGI WHICH. CAUSE PLANT DISEASE A genus of some seventy-five species. C. glomerulosum Sacc. on Juniperus leaves is often reported as Sporodesmium glomerulosum. C. carpophUum (L6v.) Aderh.*^- '"â ^''^' *^^ Aderhold by inocu- lations, properly controlled, showed this fungus capable of causing gummosis of prunaceous hosts though C. herbarium did not do so. Effuse, hyphsB simple or short-branched, densely aggregated, septate, conidia elongate-fusoid, obtuse, 4 to 5-septate, slightly con- stricted at the septa. It is commo Stock Photo](https://c8.alamy.com/comp/PG45H4/the-fungi-which-cause-plant-disease-plant-diseases-fungi-610-the-fungi-which-cause-plant-disease-a-genus-of-some-seventy-five-species-c-glomerulosum-sacc-on-juniperus-leaves-is-often-reported-as-sporodesmium-glomerulosum-c-carpophuum-l6v-aderh-quot-aderhold-by-inocu-lations-properly-controlled-showed-this-fungus-capable-of-causing-gummosis-of-prunaceous-hosts-though-c-herbarium-did-not-do-so-effuse-hyphsb-simple-or-short-branched-densely-aggregated-septate-conidia-elongate-fusoid-obtuse-4-to-5-septate-slightly-con-stricted-at-the-septa-it-is-commo-PG45H4.jpg ". The fungi which cause plant disease . Plant diseases; Fungi. 610 THE FUNGI WHICH. CAUSE PLANT DISEASE A genus of some seventy-five species. C. glomerulosum Sacc. on Juniperus leaves is often reported as Sporodesmium glomerulosum. C. carpophUum (L6v.) Aderh.*^- '"â ^''^' *^^ Aderhold by inocu- lations, properly controlled, showed this fungus capable of causing gummosis of prunaceous hosts though C. herbarium did not do so. Effuse, hyphsB simple or short-branched, densely aggregated, septate, conidia elongate-fusoid, obtuse, 4 to 5-septate, slightly con- stricted at the septa. It is commo Stock Photo")
RMPG45H4–. The fungi which cause plant disease . Plant diseases; Fungi. 610 THE FUNGI WHICH. CAUSE PLANT DISEASE A genus of some seventy-five species. C. glomerulosum Sacc. on Juniperus leaves is often reported as Sporodesmium glomerulosum. C. carpophUum (L6v.) Aderh.*^- '"â ^''^' *^^ Aderhold by inocu- lations, properly controlled, showed this fungus capable of causing gummosis of prunaceous hosts though C. herbarium did not do so. Effuse, hyphsB simple or short-branched, densely aggregated, septate, conidia elongate-fusoid, obtuse, 4 to 5-septate, slightly con- stricted at the septa. It is commo
RMRE1N93–. College botany; structure, physiology and economics of plants. Botany. FiQ. 130.—Fruiting body of mildew. FxG. 131.—Peziza. the mycelium of the fungus within the old fruits on the ground produces a cup'-like growth containing great numbers of asci. The genus Morchella contains some of the large edible fungi. One of the most common species is M. escvlenta, which is known as the common spring morel and is considered a great delicacy. The large convoluted top is the ascocarp, which, of course, bears the paraphyses and the asci containing eight spores each. The Lichens constitute a peculiar grou
![. The fungi which cause plant disease . Plant diseases; Fungi. 832 THE FUNGI WHICH CAUSE PLANT DISEASE ginning of the binucleate condition marks the origin of the sporo- phyte. Biologic specialization ^"i' 1^2.174.309 much as is found in the Erys- iphales occurs also in the Uredinales. There are many species, each of which is found on a large number of hosts. Upon its numerous hosts the fungus may show no morphological variation, yet at-. i^fel. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appea Stock Photo](https://c8.alamy.com/comp/PG463J/the-fungi-which-cause-plant-disease-plant-diseases-fungi-832-the-fungi-which-cause-plant-disease-ginning-of-the-binucleate-condition-marks-the-origin-of-the-sporo-phyte-biologic-specialization-quoti-12174309-much-as-is-found-in-the-erys-iphales-occurs-also-in-the-uredinales-there-are-many-species-each-of-which-is-found-on-a-large-number-of-hosts-upon-its-numerous-hosts-the-fungus-may-show-no-morphological-variation-yet-at-ifel-please-note-that-these-images-are-extracted-from-scanned-page-images-that-may-have-been-digitally-enhanced-for-readability-coloration-and-appea-PG463J.jpg ". The fungi which cause plant disease . Plant diseases; Fungi. 832 THE FUNGI WHICH CAUSE PLANT DISEASE ginning of the binucleate condition marks the origin of the sporo- phyte. Biologic specialization ^"i' 1^2.174.309 much as is found in the Erys- iphales occurs also in the Uredinales. There are many species, each of which is found on a large number of hosts. Upon its numerous hosts the fungus may show no morphological variation, yet at-. i^fel. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appea Stock Photo")
RMPG463J–. The fungi which cause plant disease . Plant diseases; Fungi. 832 THE FUNGI WHICH CAUSE PLANT DISEASE ginning of the binucleate condition marks the origin of the sporo- phyte. Biologic specialization ^"i' 1^2.174.309 much as is found in the Erys- iphales occurs also in the Uredinales. There are many species, each of which is found on a large number of hosts. Upon its numerous hosts the fungus may show no morphological variation, yet at-. i^fel. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appea
RMRE2DC4–. Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches. Gardening. 880. Colonies of the rust Funeus on the leaf of a hoUyhock. non-living organic matter or derives its food directly from another living organism, and is then a true para- site. Fuugi are very common, and range in size from the large hard-shell Fungus upon logs and the puff- ball and toadstool in the rich earth t
![. Chestnut blight. Chestnut blight; Chestnut. FARMERS' BULLETIN 2 0 68 damage. The fungus sometimes grows oil dead chestnut oak, red maple, shagbark hickory, and stag- horn sumac. In Europe, it has at- tacked three of the native oak species. THE BLIGHT FUNGUS The blight fungus grows mainly in the bark of cJiestnut trees, form- ing masses of flattened threadlike strands, called mycelia. Mycelial strands feed upon and kill the bark tissues. They advance through the bark much as plant roots advance. FiociiE .",.—Myoelinl fans of the chestnut blight fungus, revealed by wraiiing away tlie oute Stock Photo](https://c8.alamy.com/comp/PG1595/chestnut-blight-chestnut-blight-chestnut-farmers-bulletin-2-0-68-damage-the-fungus-sometimes-grows-oil-dead-chestnut-oak-red-maple-shagbark-hickory-and-stag-horn-sumac-in-europe-it-has-at-tacked-three-of-the-native-oak-species-the-blight-fungus-the-blight-fungus-grows-mainly-in-the-bark-of-cjiestnut-trees-form-ing-masses-of-flattened-threadlike-strands-called-mycelia-mycelial-strands-feed-upon-and-kill-the-bark-tissues-they-advance-through-the-bark-much-as-plant-roots-advance-fiociie-quotmyoelinl-fans-of-the-chestnut-blight-fungus-revealed-by-wraiiing-away-tlie-oute-PG1595.jpg ". Chestnut blight. Chestnut blight; Chestnut. FARMERS' BULLETIN 2 0 68 damage. The fungus sometimes grows oil dead chestnut oak, red maple, shagbark hickory, and stag- horn sumac. In Europe, it has at- tacked three of the native oak species. THE BLIGHT FUNGUS The blight fungus grows mainly in the bark of cJiestnut trees, form- ing masses of flattened threadlike strands, called mycelia. Mycelial strands feed upon and kill the bark tissues. They advance through the bark much as plant roots advance. FiociiE .",.—Myoelinl fans of the chestnut blight fungus, revealed by wraiiing away tlie oute Stock Photo")
RMPG1595–. Chestnut blight. Chestnut blight; Chestnut. FARMERS' BULLETIN 2 0 68 damage. The fungus sometimes grows oil dead chestnut oak, red maple, shagbark hickory, and stag- horn sumac. In Europe, it has at- tacked three of the native oak species. THE BLIGHT FUNGUS The blight fungus grows mainly in the bark of cJiestnut trees, form- ing masses of flattened threadlike strands, called mycelia. Mycelial strands feed upon and kill the bark tissues. They advance through the bark much as plant roots advance. FiociiE .",.—Myoelinl fans of the chestnut blight fungus, revealed by wraiiing away tlie oute
RMRDJ5YM–. Fungous diseases of plants : with chapters on physiology, culture methods and technique . Fungi in agriculture. 396 FUNGOUS DISEASES OF PLANTS upon Trifolium incarnatum L., much less frequently, however, upon some of the other species mentioned. In general, the spermogonial and aecidial stages are not commonly found upon the red clover, the host upon which the other stages are perhaps most frequent. Nevertheless, the reported absence of gecidial stages upon this host in certain regions may be due to the fact that careful examina- tions have not been made at the proper season. The fungus. The
RMPG21TF–. An illustrated descriptive catalogue of the coleoptera or beetles (exclusive of the Rhynchophora) known to occur in Indiana : with bibliography and descriptions of new species . Beetles. THE SILKEN FUNGUS BEETLES. 581 y. Ent Soc, VIII, 1900, 1107 ( ). Atomaria ovalis Cnsey, Joum. N. 124. Oval, rapidly attenuate at each end, strongly convex. Black or piceous, shining; legs and antenna dull brownish-yellow. Antennse stout, one-half length of body in male. Thorax one-half wider than long, sides strongly converging on apical half, apex two-thirds as wide as base; disk rather coarsely and densely
RMRDPFY4–. My garden, its plan and culture together with a general description of its geology, botany, and natural history. Gardening. Fig. 851.—Cystopus candidus, nat. size and magniiied. Fig. 857 a.—CoprinUs atramentarius creeps through the cellular tissue of the plants, and after a time gives rise to zoospores or moving bodies to perpetuate the species. I believe that in all these cases the plant is previously pierced by an aphis. Our sweet-williams are frequently attacked on the upper surface of the leaf with jet-black spots, which is a fungus called the Puccinia lyclt- nidearztm (fig. 852). This s
![. Diseases of bees. Bees. DIAGNOSING BEE DISEASES IX THE APIARY 23 FUNGOUS DISEASES OF BROOD CAUSES In addition to the diseases previously described, diseases of the brood of bees are caused by several different fungi. The most com- mon of these are species of Aspergillu.^. In this country A. flamis attacks brood more frequently than other fungi. In Europe a fun- gus known as Pencystis apis causes a disease of brood known as "'chalk brood." This fungus does not occur in North America. IMPORTANCE Normally only slight losses of brood are caused by fungous dis- eases. The small amount o Stock Photo](https://c8.alamy.com/comp/PG07J2/diseases-of-bees-bees-diagnosing-bee-diseases-ix-the-apiary-23-fungous-diseases-of-brood-causes-in-addition-to-the-diseases-previously-described-diseases-of-the-brood-of-bees-are-caused-by-several-different-fungi-the-most-com-mon-of-these-are-species-of-aspergillu-in-this-country-a-flamis-attacks-brood-more-frequently-than-other-fungi-in-europe-a-fun-gus-known-as-pencystis-apis-causes-a-disease-of-brood-known-as-quotchalk-broodquot-this-fungus-does-not-occur-in-north-america-importance-normally-only-slight-losses-of-brood-are-caused-by-fungous-dis-eases-the-small-amount-o-PG07J2.jpg ". Diseases of bees. Bees. DIAGNOSING BEE DISEASES IX THE APIARY 23 FUNGOUS DISEASES OF BROOD CAUSES In addition to the diseases previously described, diseases of the brood of bees are caused by several different fungi. The most com- mon of these are species of Aspergillu.^. In this country A. flamis attacks brood more frequently than other fungi. In Europe a fun- gus known as Pencystis apis causes a disease of brood known as "'chalk brood." This fungus does not occur in North America. IMPORTANCE Normally only slight losses of brood are caused by fungous dis- eases. The small amount o Stock Photo")
RMPG07J2–. Diseases of bees. Bees. DIAGNOSING BEE DISEASES IX THE APIARY 23 FUNGOUS DISEASES OF BROOD CAUSES In addition to the diseases previously described, diseases of the brood of bees are caused by several different fungi. The most com- mon of these are species of Aspergillu.^. In this country A. flamis attacks brood more frequently than other fungi. In Europe a fun- gus known as Pencystis apis causes a disease of brood known as "'chalk brood." This fungus does not occur in North America. IMPORTANCE Normally only slight losses of brood are caused by fungous dis- eases. The small amount o
![. My garden, its plan and culture together with a general description of its geology, botany, and natural history. Gardening. FUNGI. 367 noticed by the pomologist. This fungus is,described in Cooke's " Hand- book of British Fungi " under the name of the Cladosporium dendriticum. In my notice of the Siberian Crab, I mentioned how seriously the trees were injured in some years, as in the season of 1871. This is due to another fungus (fig. 854), allied to the H. pyrorum, but both Mr. Broome and Mr. Worthington Smith incHne to the opinion that it is a species distinct from it. Mr. Smith Stock Photo](https://c8.alamy.com/comp/RDPFXJ/my-garden-its-plan-and-culture-together-with-a-general-description-of-its-geology-botany-and-natural-history-gardening-fungi-367-noticed-by-the-pomologist-this-fungus-isdescribed-in-cookes-quot-hand-book-of-british-fungi-quot-under-the-name-of-the-cladosporium-dendriticum-in-my-notice-of-the-siberian-crab-i-mentioned-how-seriously-the-trees-were-injured-in-some-years-as-in-the-season-of-1871-this-is-due-to-another-fungus-fig-854-allied-to-the-h-pyrorum-but-both-mr-broome-and-mr-worthington-smith-inchne-to-the-opinion-that-it-is-a-species-distinct-from-it-mr-smith-RDPFXJ.jpg ". My garden, its plan and culture together with a general description of its geology, botany, and natural history. Gardening. FUNGI. 367 noticed by the pomologist. This fungus is,described in Cooke's " Hand- book of British Fungi " under the name of the Cladosporium dendriticum. In my notice of the Siberian Crab, I mentioned how seriously the trees were injured in some years, as in the season of 1871. This is due to another fungus (fig. 854), allied to the H. pyrorum, but both Mr. Broome and Mr. Worthington Smith incHne to the opinion that it is a species distinct from it. Mr. Smith Stock Photo")
RMRDPFXJ–. My garden, its plan and culture together with a general description of its geology, botany, and natural history. Gardening. FUNGI. 367 noticed by the pomologist. This fungus is,described in Cooke's " Hand- book of British Fungi " under the name of the Cladosporium dendriticum. In my notice of the Siberian Crab, I mentioned how seriously the trees were injured in some years, as in the season of 1871. This is due to another fungus (fig. 854), allied to the H. pyrorum, but both Mr. Broome and Mr. Worthington Smith incHne to the opinion that it is a species distinct from it. Mr. Smith
![. Minnesota mushrooms ... Botany; Mushrooms. MINNESOTA MUSHROOMS. Figure 68. cvclo-myces c.reenei HYUXUM C a p desliv or tough-flcshv. rarelv le-ithcrv. central- or lateral-stcmnifd, stenilcss. tuftcJ or in- 'crted ; the spore-surfaof consisting of spines or teeth. rile stenimeil. anel coral-like forms are the most common. They are all edible. The name is the ancient ("ireek name of an edible fungus. Key to the Species 1. Stem central or lateral a. .Stem central : on the ground 1 ' Cap^ shaggv with large imbricated scales //. iiiibricdtiini (2) Cap smooth or nearly so (a) Cap and teeth Stock Photo](https://c8.alamy.com/comp/PG4B50/minnesota-mushrooms-botany-mushrooms-minnesota-mushrooms-figure-68-cvclo-myces-creenei-hyuxum-c-a-p-desliv-or-tough-flcshv-rarelv-le-ithcrv-central-or-lateral-stcmnifd-stenilcss-tuftcj-or-in-crted-the-spore-surfaof-consisting-of-spines-or-teeth-rile-stenimeil-anel-coral-like-forms-are-the-most-common-they-are-all-edible-the-name-is-the-ancient-quotireek-name-of-an-edible-fungus-key-to-the-species-1-stem-central-or-lateral-a-stem-central-on-the-ground-1-cap-shaggv-with-large-imbricated-scales-iiiibricdtiini-2-cap-smooth-or-nearly-so-a-cap-and-teeth-PG4B50.jpg ". Minnesota mushrooms ... Botany; Mushrooms. MINNESOTA MUSHROOMS. Figure 68. cvclo-myces c.reenei HYUXUM C a p desliv or tough-flcshv. rarelv le-ithcrv. central- or lateral-stcmnifd, stenilcss. tuftcJ or in- 'crted ; the spore-surfaof consisting of spines or teeth. rile stenimeil. anel coral-like forms are the most common. They are all edible. The name is the ancient ("ireek name of an edible fungus. Key to the Species 1. Stem central or lateral a. .Stem central : on the ground 1 ' Cap^ shaggv with large imbricated scales //. iiiibricdtiini (2) Cap smooth or nearly so (a) Cap and teeth Stock Photo")
RMPG4B50–. Minnesota mushrooms ... Botany; Mushrooms. MINNESOTA MUSHROOMS. Figure 68. cvclo-myces c.reenei HYUXUM C a p desliv or tough-flcshv. rarelv le-ithcrv. central- or lateral-stcmnifd, stenilcss. tuftcJ or in- 'crted ; the spore-surfaof consisting of spines or teeth. rile stenimeil. anel coral-like forms are the most common. They are all edible. The name is the ancient ("ireek name of an edible fungus. Key to the Species 1. Stem central or lateral a. .Stem central : on the ground 1 ' Cap^ shaggv with large imbricated scales //. iiiibricdtiini (2) Cap smooth or nearly so (a) Cap and teeth
![. Mushrooms and their use . Mushrooms. by side, but tbey are separate from eacb other, and do not form a continuous compact mass, as in tbe genera Boletus and Polypo- rus. They are at first very short, and resemble minute warts or papillae, but they become longer, cylindrical and hollow with age. We have one species, the Liver fistulina, Fistulina hepatica. This name was probably suggested by its dark-red color. It has other common names, such as "Oak tongue," "Chestnut tongue," "Beef tongue," and "Beefsteak fungus," given in allusion to its place of gro Stock Photo](https://c8.alamy.com/comp/RDE029/mushrooms-and-their-use-mushrooms-by-side-but-tbey-are-separate-from-eacb-other-and-do-not-form-a-continuous-compact-mass-as-in-tbe-genera-boletus-and-polypo-rus-they-are-at-first-very-short-and-resemble-minute-warts-or-papillae-but-they-become-longer-cylindrical-and-hollow-with-age-we-have-one-species-the-liver-fistulina-fistulina-hepatica-this-name-was-probably-suggested-by-its-dark-red-color-it-has-other-common-names-such-as-quotoak-tonguequot-quotchestnut-tonguequot-quotbeef-tonguequot-and-quotbeefsteak-fungusquot-given-in-allusion-to-its-place-of-gro-RDE029.jpg ". Mushrooms and their use . Mushrooms. by side, but tbey are separate from eacb other, and do not form a continuous compact mass, as in tbe genera Boletus and Polypo- rus. They are at first very short, and resemble minute warts or papillae, but they become longer, cylindrical and hollow with age. We have one species, the Liver fistulina, Fistulina hepatica. This name was probably suggested by its dark-red color. It has other common names, such as "Oak tongue," "Chestnut tongue," "Beef tongue," and "Beefsteak fungus," given in allusion to its place of gro Stock Photo")
RMRDE029–. Mushrooms and their use . Mushrooms. by side, but tbey are separate from eacb other, and do not form a continuous compact mass, as in tbe genera Boletus and Polypo- rus. They are at first very short, and resemble minute warts or papillae, but they become longer, cylindrical and hollow with age. We have one species, the Liver fistulina, Fistulina hepatica. This name was probably suggested by its dark-red color. It has other common names, such as "Oak tongue," "Chestnut tongue," "Beef tongue," and "Beefsteak fungus," given in allusion to its place of gro
![. Principles of American forestry . Forests and forestry. CHAPTER XIII. DURABILITY OF WOOD. Decay in Wood is due to the breaking down of the tissues by fungi. In some eases the fungus destroys the woody cells; in others it uses up the starch found in the cells and merely leaves a blue stain (bluing of lumber). Some kinds of fungi attack only con- ifers others only hard woods; some are confined to one species while othere may affect several species, but nrobably no one of them attacks all kinds of wood Fig. 63 shows the Fig, 70—"Shelf" fungus on the discoloration of wood by a stem of Stock Photo](https://c8.alamy.com/comp/PG46HX/principles-of-american-forestry-forests-and-forestry-chapter-xiii-durability-of-wood-decay-in-wood-is-due-to-the-breaking-down-of-the-tissues-by-fungi-in-some-eases-the-fungus-destroys-the-woody-cells-in-others-it-uses-up-the-starch-found-in-the-cells-and-merely-leaves-a-blue-stain-bluing-of-lumber-some-kinds-of-fungi-attack-only-con-ifers-others-only-hard-woods-some-are-confined-to-one-species-while-othere-may-affect-several-species-but-nrobably-no-one-of-them-attacks-all-kinds-of-wood-fig-63-shows-the-fig-70quotshelfquot-fungus-on-the-discoloration-of-wood-by-a-stem-of-PG46HX.jpg ". Principles of American forestry . Forests and forestry. CHAPTER XIII. DURABILITY OF WOOD. Decay in Wood is due to the breaking down of the tissues by fungi. In some eases the fungus destroys the woody cells; in others it uses up the starch found in the cells and merely leaves a blue stain (bluing of lumber). Some kinds of fungi attack only con- ifers others only hard woods; some are confined to one species while othere may affect several species, but nrobably no one of them attacks all kinds of wood Fig. 63 shows the Fig, 70—"Shelf" fungus on the discoloration of wood by a stem of Stock Photo")
RMPG46HX–. Principles of American forestry . Forests and forestry. CHAPTER XIII. DURABILITY OF WOOD. Decay in Wood is due to the breaking down of the tissues by fungi. In some eases the fungus destroys the woody cells; in others it uses up the starch found in the cells and merely leaves a blue stain (bluing of lumber). Some kinds of fungi attack only con- ifers others only hard woods; some are confined to one species while othere may affect several species, but nrobably no one of them attacks all kinds of wood Fig. 63 shows the Fig, 70—"Shelf" fungus on the discoloration of wood by a stem of
RMRDWMEN–. First forms of vegetation. Botany; Cryptogams. 372 FIXST FORMS OF VEGETATION. rics are more wholesome fresh than stale, and should therefore be prepared for the table as soon as possible after being collected. The intoxicating Siberian fungus or Fly Agaric {Agaricus inuscaritLs, Fig. 39), so called because a decoction of it used to be employed as a fly poison, may be adduced as an illus- tration of the remark- able effects produced by some species of fungi, when growing in foreign countries. We have no experi- ence as yet, in this part of Europe, of any effects so extra- F.G. 39.-agar.cusm;,
RMPG44YF–. A text-book of mycology and plant pathology . Plant diseases; Fungi in agriculture; Plant diseases; Fungi. 2IO MYCOLOGY scattered, or aggregated and its aecia on seven species of Amelanchier, one each of Aronia and Cydonia. Gymnosporangium Ellisii (Figs. 74 and 75) in its telial form distorts the younger branches of the white cedar, Chamacyparis thyoides, pro-. FiG. 80.—RoesteUa, or fficia on apple leaf. (After Giddings and Berg, Bull 257 Agric. Exper. Stat. Univ. Wise, July, 1915.) ducing numerous fasciations. The «cia and pycnia of this fungus are on Myrica. Gymnosporangium globosum is rem
RMRDXT31–. A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations. Poisonous plants. 248 MANUAL OF POISONOUS PLANTS details of the structure of this fungus have been given by Olive,' Barker,^ and Ikeno 3 and in a paper to be published by Dr. Buchanan. Dr. Buchanan found this species in spoiled corn silage, virhich was responsible for the death of several horses in Iowa. This species possibly has been the cause of the disease, this fungus occurring only where air had access to the silage. The fungus found by Harz prod
RMPG45X1–. The fungi which cause plant disease . Plant diseases; Fungi. Fig. 291.—Hypochnus, semi-diagrammatic sec- tion showing develop- ment of hymenium and basidia, with nuclear conditions. After Har- per.. Fig. 292.—Mycelium of Hypochnus show- ing clamp connec- tions. After Har- per. which are especially abundant near the terminal buds. On the leaves Stevens and Hall *^ ** describe a loose network from which the basidia arise. Fig. 295. The species is found on apple, pear, lilac, quince, Vibemum and probably other hosts, and is widely distributed. H. cucumeris Frank. Fungus gray or brown; basidia e
RMRE47BE–. Bacteriology in medicine and surgery. A practical manual for physicians, health officers, and students. Bacteriology. 622 APPENDIX. and mycological aspects (Fig. 84). Many animals are subject to the growth upon their skins of particular species of T. megalosporon. FlQ. 84.. These two half-plates show three-months' growth on peptone maltose agar of two megalosporon varieties of the ringworm fungus. Natural size. ACHORION SCHCENLBINn (Favus). Favus is due to a fungus discovered by Schoenlein in 1839, and called by Remak Achorion sehcenleinii. The disease is communicated by contagion, the fungu
![. Minnesota mushrooms ... Botany; Mushrooms. FlC.l'Rli b5. POLVSTICTUS HIRSITUS CYCLCWIYCES Pores long, narroy and gill-like, but concentric in place of radiate, as in all the preceding. In old age, the partitions disappear, and the plant apjiears to be a gill fungus with concentric gills. (Jur species has a central stem. Tlie cap is more or less fleshy, but it is not known to be edible. The name refers to the c"clic gills (ir pores. * y ...'^^Mg^jis. FUJUKE 66. F.OLUS CAXAUE.WSIS. Please note that these images are extracted from scanned page images that may have been digitally enhanc Stock Photo](https://c8.alamy.com/comp/PG4B5G/minnesota-mushrooms-botany-mushrooms-flclrli-b5-polvstictus-hirsitus-cyclcwiyces-pores-long-narroy-and-gill-like-but-concentric-in-place-of-radiate-as-in-all-the-preceding-in-old-age-the-partitions-disappear-and-the-plant-apjiears-to-be-a-gill-fungus-with-concentric-gills-jur-species-has-a-central-stem-tlie-cap-is-more-or-less-fleshy-but-it-is-not-known-to-be-edible-the-name-refers-to-the-cquotclic-gills-ir-pores-y-mgjis-fujuke-66-folus-caxauewsis-please-note-that-these-images-are-extracted-from-scanned-page-images-that-may-have-been-digitally-enhanc-PG4B5G.jpg ". Minnesota mushrooms ... Botany; Mushrooms. FlC.l'Rli b5. POLVSTICTUS HIRSITUS CYCLCWIYCES Pores long, narroy and gill-like, but concentric in place of radiate, as in all the preceding. In old age, the partitions disappear, and the plant apjiears to be a gill fungus with concentric gills. (Jur species has a central stem. Tlie cap is more or less fleshy, but it is not known to be edible. The name refers to the c"clic gills (ir pores. * y ...'^^Mg^jis. FUJUKE 66. F.OLUS CAXAUE.WSIS. Please note that these images are extracted from scanned page images that may have been digitally enhanc Stock Photo")
RMPG4B5G–. Minnesota mushrooms ... Botany; Mushrooms. FlC.l'Rli b5. POLVSTICTUS HIRSITUS CYCLCWIYCES Pores long, narroy and gill-like, but concentric in place of radiate, as in all the preceding. In old age, the partitions disappear, and the plant apjiears to be a gill fungus with concentric gills. (Jur species has a central stem. Tlie cap is more or less fleshy, but it is not known to be edible. The name refers to the c"clic gills (ir pores. * y ...'^^Mg^jis. FUJUKE 66. F.OLUS CAXAUE.WSIS. Please note that these images are extracted from scanned page images that may have been digitally enhanc
RMRE0P9T–. Agricultural botany, theoretical and practical. Botany, Economic; Botany. THE COMMON MUSHROOM 741 campestris Fr.) is a widely distributed species of this series, and the only one we are able to notice here. The mycelium, or vegetative portion of the fungus, when very young, is composed of simple filamentous hyphae, which resemble a loosely-tangled felt of fine white wool. It is known among. Fig. 251.—A^ Portion of the mycelium m of the common mushroom i^Agaricus cam- pestris L.), with young 'mushrooms' r. -5, Longitudinal section of young mushroom : tn mycelium ; c points where lamellae are
RMPG3YR7–. Fungous diseases of plants : with chapters on physiology, culture methods and technique . Fungi in agriculture. ASCOMYCETES 207 shown in Fig. 80, b. The asci are club-shaped and bear eight hyaline ovoidal spores. The paraphyses are simple or branched, sometimes once-septate and slightly club-shaped. This fungus shows in pure culture certain growth characteristics which seem to differentiate it somewhat sharply from other species of Glceosporium. In the first place it grows slowly upon nutrient agar, several months being required to produce a colony of several millimeters in extent. The hypha
RMRDPFY1–. My garden, its plan and culture together with a general description of its geology, botany, and natural history. Gardening. Fig. 851.—Cystopus candidus, nat. size and magniiied. Fig. 857 a.—CoprinUs atramentarius creeps through the cellular tissue of the plants, and after a time gives rise to zoospores or moving bodies to perpetuate the species. I believe that in all these cases the plant is previously pierced by an aphis. Our sweet-williams are frequently attacked on the upper surface of the leaf with jet-black spots, which is a fungus called the Puccinia lyclt- nidearztm (fig. 852). This s
![. Handbook of nature-study for teachers and parents, based on the Cornell nature-study leaflets. Nature study. Vi8 Handbook of Nature-Study. The bear's head fungus. Photo by George F. Atkinson. tion in which they grew. There is one species called the "satyr's beard," sometimes found on Hving trees, which is a mere bunch of downward- hanging spines; the corallike species is called Hydnum coraloides, and the one that looks like an exquisite white frozen fountain, and maybe seen in late summer or early autumn growing from dead Umbs or branches, is the bear's head fungus; it is often eig Stock Photo](https://c8.alamy.com/comp/PFYR5T/handbook-of-nature-study-for-teachers-and-parents-based-on-the-cornell-nature-study-leaflets-nature-study-vi8-handbook-of-nature-study-the-bears-head-fungus-photo-by-george-f-atkinson-tion-in-which-they-grew-there-is-one-species-called-the-quotsatyrs-beardquot-sometimes-found-on-hving-trees-which-is-a-mere-bunch-of-downward-hanging-spines-the-corallike-species-is-called-hydnum-coraloides-and-the-one-that-looks-like-an-exquisite-white-frozen-fountain-and-maybe-seen-in-late-summer-or-early-autumn-growing-from-dead-umbs-or-branches-is-the-bears-head-fungus-it-is-often-eig-PFYR5T.jpg ". Handbook of nature-study for teachers and parents, based on the Cornell nature-study leaflets. Nature study. Vi8 Handbook of Nature-Study. The bear's head fungus. Photo by George F. Atkinson. tion in which they grew. There is one species called the "satyr's beard," sometimes found on Hving trees, which is a mere bunch of downward- hanging spines; the corallike species is called Hydnum coraloides, and the one that looks like an exquisite white frozen fountain, and maybe seen in late summer or early autumn growing from dead Umbs or branches, is the bear's head fungus; it is often eig Stock Photo")
RMPFYR5T–. Handbook of nature-study for teachers and parents, based on the Cornell nature-study leaflets. Nature study. Vi8 Handbook of Nature-Study. The bear's head fungus. Photo by George F. Atkinson. tion in which they grew. There is one species called the "satyr's beard," sometimes found on Hving trees, which is a mere bunch of downward- hanging spines; the corallike species is called Hydnum coraloides, and the one that looks like an exquisite white frozen fountain, and maybe seen in late summer or early autumn growing from dead Umbs or branches, is the bear's head fungus; it is often eig
RMRDX15E–. Fungi, ascomycetes, ustilaginales, uredinales. Fungi. I/O PYRENOMYCETES [CH. of conidiophores, from which small oval conidia are abstricted. In Xylaria these form a white coating, in marked contrast to the older black portions of the stroma, where the perithecia are maturing, and justify the name candle-snuff fungus, applied to some of the commoner species. If, in either genus, the stroma be sectioned during the conidial stage, nests of small hyphae, similar to those in Poronia, will be found, and are the first indica- tions of the perithecia. Sometimes a stouter hypha with larger nuclei, pr
RMPG4F14–. Minnesota plant diseases. Plant diseases. Minnesota Plant Diseases. 26: stumps and cut timber in a manner similar to tlie preceding- species. The velvet-stemmed Collybia rot (Collybia velntipes Curt.). This is an exceedingly abundant fungus especially on cut tim- ber and standing stumps or fallen logs. The fruiting bodies are of the gill-fungus type and usually occur in clusters. The upper surface of the cap is yellowish to tawny and in wet weather is viscid. The gills are light yellow to tawny and produce white spores. The stem is covered with a velvet-Hke coat of a dark brown to blackish c
![. Our edible toadstools and mushrooms and how to distinguish them; a selection of thirty native food varieties, easily recognizable by their marked individualities, with simple rules for the identification of poisonous species. Mushrooms; Cookery (Mushrooms); cbk. 248 EDIBLE -MUSHROOMS ly call for severe technical description, as the entire sroup are doubtless edible: The /rwg "coral fungus"âClavaria coraUotdesâ of our woods resembles C.formosa in general shape, â &."... IHE WHITE CORAL FUNGUS but its color is ivbite, or perhaps pale gray. Its thick stem is hollow, and its u Stock Photo](https://c8.alamy.com/comp/RDW8H7/our-edible-toadstools-and-mushrooms-and-how-to-distinguish-them-a-selection-of-thirty-native-food-varieties-easily-recognizable-by-their-marked-individualities-with-simple-rules-for-the-identification-of-poisonous-species-mushrooms-cookery-mushrooms-cbk-248-edible-mushrooms-ly-call-for-severe-technical-description-as-the-entire-sroup-are-doubtless-edible-the-rwg-quotcoral-fungusquotclavaria-corauotdes-of-our-woods-resembles-cformosa-in-general-shape-ampquot-ihe-white-coral-fungus-but-its-color-is-ivbite-or-perhaps-pale-gray-its-thick-stem-is-hollow-and-its-u-RDW8H7.jpg ". Our edible toadstools and mushrooms and how to distinguish them; a selection of thirty native food varieties, easily recognizable by their marked individualities, with simple rules for the identification of poisonous species. Mushrooms; Cookery (Mushrooms); cbk. 248 EDIBLE -MUSHROOMS ly call for severe technical description, as the entire sroup are doubtless edible: The /rwg "coral fungus"âClavaria coraUotdesâ of our woods resembles C.formosa in general shape, â &."... IHE WHITE CORAL FUNGUS but its color is ivbite, or perhaps pale gray. Its thick stem is hollow, and its u Stock Photo")
RMRDW8H7–. Our edible toadstools and mushrooms and how to distinguish them; a selection of thirty native food varieties, easily recognizable by their marked individualities, with simple rules for the identification of poisonous species. Mushrooms; Cookery (Mushrooms); cbk. 248 EDIBLE -MUSHROOMS ly call for severe technical description, as the entire sroup are doubtless edible: The /rwg "coral fungus"âClavaria coraUotdesâ of our woods resembles C.formosa in general shape, â &."... IHE WHITE CORAL FUNGUS but its color is ivbite, or perhaps pale gray. Its thick stem is hollow, and its u
RMPG4B63–. Minnesota mushrooms ... Botany; Mushrooms. 102 MINNESOTA MUSHROOMS densely imbricated; pores soon breaking up into tine teeth, grayish to brownish. The name refers to tlie uniformly colored cap>. A'ery common on trunks, stumps, twigs, etc. ; of no yalue.. FlC.l'Rli b5. POLVSTICTUS HIRSITUS CYCLCWIYCES Pores long, narroy and gill-like, but concentric in place of radiate, as in all the preceding. In old age, the partitions disappear, and the plant apjiears to be a gill fungus with concentric gills. (Jur species has a central stem. Tlie cap is more or less fleshy, but it is not known to be
RMRDHND0–. Outlines of plant life : with special reference to form and function . Botany. 2s6 OUTLINES OF PLANT LIFE. the fungus is the master and the alga the slave. (See 48, and figs. 215, 216.) The same fiingus may be found en- slaving more than one species of algae even within the same mycelium. The proto- nema of mosses (see ^ 59) or even the leaves of some small plants may be surrounded by a my- celium. The enslaved green plants are generally unicellular or filamentous algae. If the latter are the species whose colonies produce voluminous gela- tin, the texture of the lichen body is gelatinous;
RMPG4GYA–. The fungi which cause plant disease . Plant diseases; Fungi. 94 THE FUNGI WHICH CAUSE PLANT DISEASE the fungus in that conidia are produced more abundantly and retain their power of germination longer when moist. Disease spots appear two or three days after infection; conidia same nine or ten days after infection. The species is perennial in Florida'' and spreads northward as the season advances, reaching Ohio and New York by late summer. Fig. 64.—P. cubensis: 3. Conidiophore with young and old conidia. 5. Conidium. 6. Conidium germinating. 11. Zoospores. 18. Infection through a stoma. After
RMRDE06K–. Mushrooms and their use . Mushrooms. XI. LEPIOTAS AND AKMILLAKIA. The genus Lepiota agrees withtlie geneva Amanita and Aman- itopsis in having the gills free from the stem, but it differs from them ia having no distinct enveloping wrapper in the very young plant, and consequently no warts on the cap and no sheathing membrane or scales at the base of the stem. In some of the species the epidermis of the cap breaks up into small fibrillose fragments, so that the cap is scaly but not warty. The Parasol mushroom or Tall lepiota, Lepiota procera, is a conspicuous fungus, which grows in fields, pa
RMPG420R–. Diseases of plants induced by cryptogamic parasites : introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae . Plant diseases; Parasitic plants; Fungi. V. Fig. 276.—Polj/piyrus hispidus on pieces of living Ash. (v. Tubeuf phot.). The spores are spindle-shaped and colourless. The fungus is especially common on living hazel, ash, species of maple, beech, mountain ash, horse-chesnut, elm, oak, willow, pear, lime, etc. The wood of the specimen in Fig. 275 exhibited extensive white-rot, the inner parts being completely converted into a soft white spongy mass of mycelium
![. Fundamentals of botany. Botany. Fig. 232.âDiagram of a nest of a fungus-growing ant {Trachymyrmex obscurior), showing four chambers. The pendant white masses in three of the chambers are the mycelium of the fungusâthe so-called "fungus- gardens." The species of the fungus has not been definitely determined, but they are thought to belong to the Ascomycetes. (After W. M. Wheeler.). â ' '/ V 4-.., / ,. * III' kj I r""". Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance Stock Photo](https://c8.alamy.com/comp/RE2FEX/fundamentals-of-botany-botany-fig-232diagram-of-a-nest-of-a-fungus-growing-ant-trachymyrmex-obscurior-showing-four-chambers-the-pendant-white-masses-in-three-of-the-chambers-are-the-mycelium-of-the-fungusthe-so-called-quotfungus-gardensquot-the-species-of-the-fungus-has-not-been-definitely-determined-but-they-are-thought-to-belong-to-the-ascomycetes-after-w-m-wheeler-v-4-iii-kj-i-rquotquotquot-please-note-that-these-images-are-extracted-from-scanned-page-images-that-may-have-been-digitally-enhanced-for-readability-coloration-and-appearance-RE2FEX.jpg ". Fundamentals of botany. Botany. Fig. 232.âDiagram of a nest of a fungus-growing ant {Trachymyrmex obscurior), showing four chambers. The pendant white masses in three of the chambers are the mycelium of the fungusâthe so-called "fungus- gardens." The species of the fungus has not been definitely determined, but they are thought to belong to the Ascomycetes. (After W. M. Wheeler.). â ' '/ V 4-.., / ,. * III' kj I r""". Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance Stock Photo")
RMRE2FEX–. Fundamentals of botany. Botany. Fig. 232.âDiagram of a nest of a fungus-growing ant {Trachymyrmex obscurior), showing four chambers. The pendant white masses in three of the chambers are the mycelium of the fungusâthe so-called "fungus- gardens." The species of the fungus has not been definitely determined, but they are thought to belong to the Ascomycetes. (After W. M. Wheeler.). â ' '/ V 4-.., / ,. * III' kj I r""". Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance
RMPG3W3J–. An illustrated descriptive catalogue of the coleoptera or beetles (exclusive of the Rhynchophora) known to occur in Indiana : with bibliography and descriptions of new species . Beetles. THE SHINING FUNGUS BEETLES. 493 enlarged, foi-ming a loose, sloiulcr ; sputelluni usually wanting but when present Ijroaclly ti-iangular. Thirteen nominal species from the United States are recognized by Casey. Of these six are Imown from Indiana. KEY TO l.XDIA.N.V SPKCIK.S OF IS.HOI'ERA. I/. Sc-utelluiu not visible. b. I^iu-ger species,, not les-s tluiii 2 mm. in length. c. Sides of thora.x feebly and evenl
RMRDJF9P–. Fungous diseases of plants : with chapters on physiology, culture methods and technique . Fungi in agriculture. 228 FUNGOUS DISEASES OF PLANTS XXVI. MILDEW OF COMPOSITES AND OTHER PLANTS Erysiphe Cichoracearum De C. This species of mildew is also widely distributed and occurs upon more than two hundred hosts of numerous families. It is unusually common upon spe- cies of Compositse and in general is easily the most destructive fungus of these hosts. It is also well known to the florist upon species of phlox and to the gar- dener upon some' varieties of cucurbits. The fungus is often con- fuse
RMPG3P1H–. Fungous diseases of plants : with chapters on physiology, culture methods and technique . Fungi in agriculture. FUNGI IMPERFECTI 3*9 XXIII. FLAX WILT Fusarium Lini Bolley Bolley, H. L. Flax Wilt and Flax Sick Soil. N. D. Agl. Exp. Sta. Built. 60: 27-60. This important flax disease, which is reported as particularly destructive in North Dakota, seems to be characterized by symp- toms similar to many other diseases caused by species of Fusa- rium. Affected plants may be killed in the seedling stage, or they may wilt and die at any time during the growing period. The fungus has been found to be
RMRDW95E–. Introduction to botany. Botany. 3i8 Introduction to Botany. ing the pieces to their nests for the purpose of working them into a pulp which they plant with a certain kind of fungus, constituting their chief or sole food. Figure i66 shows the way in which these ants destroy the leaves. The soldier ants that protect the Cecropias against the leaf-cutting species do not, however, serve without pay, for these trees provide them with both food and shelter. The Ce- cropia branches are hol- low at the center, the cavity being divided by numerous cross parti- tions (Fig 167, ^). Just above the axils
RMPG4FHH–. Minnesota plant diseases. Plant diseases. I30 Minnesota Plant Diseases. the spores and sacs from the capsule. The spore-cells or the honey-dew spores may be carried to another flower and thus the life-story is recommenced by the new infection of the grain. The ergot fungus is common on a great many grasses and particularly upon cultivated species as wheat, rye, barley, etc. It is found very abundantly upon wild rice in many places and is also abundant on grasses growing on railroad right-of-ways. (Figs. 53 to 55, 154. I55-). Fig. 55.—Fruiting bodies and spores of the ergot fungus. 1. Young e
RMRE0R9B–. The mushroom book : a popular guide to the identification and study of our commoner Fungi, with special emphasis on the edible varieties . Mushrooms; Mushrooms, Edible; Cookery (Mushrooms); cbk. White-spored Series GENUS CANTHARELLUS The members of the genus Cantharellus differ from all other gill-bearing fungi in that the gills are in the form of shallow folds growing down the stem. The folds are generally harrow and forked or branching. The name Cantharellus, meaning little cup or goblet, refers to the shape of the fungus, some of the species being so deeply depressed that a cup not unlike
![. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 397 EricacejE. Cultural work and studies in infection are needed be- fore species can be properly delimited.'' E. vaccinii (Fcl.) Wor. occurs on Vaccinium vitis idaea, forming large blisters on the leaves, rarely on petioles and stems, discoloration red or purple. The fungus appears as a white bloom on the under surface of the leaf; spores narrowly fusiform, 5-8 x 1-2 n. Richards ^ who studied E. vaccinii and E. an- dromedse from inoculations concludes: "Aside from the form of the distortion Stock Photo](https://c8.alamy.com/comp/PG45XX/the-fungi-which-cause-plant-disease-plant-diseases-fungi-the-fungi-which-cause-plant-disease-397-ericaceje-cultural-work-and-studies-in-infection-are-needed-be-fore-species-can-be-properly-delimited-e-vaccinii-fcl-wor-occurs-on-vaccinium-vitis-idaea-forming-large-blisters-on-the-leaves-rarely-on-petioles-and-stems-discoloration-red-or-purple-the-fungus-appears-as-a-white-bloom-on-the-under-surface-of-the-leaf-spores-narrowly-fusiform-5-8-x-1-2-n-richards-who-studied-e-vaccinii-and-e-an-dromedse-from-inoculations-concludes-quotaside-from-the-form-of-the-distortion-PG45XX.jpg ". The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 397 EricacejE. Cultural work and studies in infection are needed be- fore species can be properly delimited.'' E. vaccinii (Fcl.) Wor. occurs on Vaccinium vitis idaea, forming large blisters on the leaves, rarely on petioles and stems, discoloration red or purple. The fungus appears as a white bloom on the under surface of the leaf; spores narrowly fusiform, 5-8 x 1-2 n. Richards ^ who studied E. vaccinii and E. an- dromedse from inoculations concludes: "Aside from the form of the distortion Stock Photo")
RMPG45XX–. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 397 EricacejE. Cultural work and studies in infection are needed be- fore species can be properly delimited.'' E. vaccinii (Fcl.) Wor. occurs on Vaccinium vitis idaea, forming large blisters on the leaves, rarely on petioles and stems, discoloration red or purple. The fungus appears as a white bloom on the under surface of the leaf; spores narrowly fusiform, 5-8 x 1-2 n. Richards ^ who studied E. vaccinii and E. an- dromedse from inoculations concludes: "Aside from the form of the distortion
![. Fungi, ascomycetes, ustilaginales, uredinales. Fungi. Ill] EXOASCALES 93 mother-cell during development. Two nuclei can frequently be recognized in the cells of the fertile mycelium, and the young ascus, in all investigated cases, is binucleate. The two nuclei fuse, the fusion nucleus undergoes three successive divisions and eight spores are formed (fig. 48). In many species budding of the ascospore takes place, so that the mature ascus contains numerous minute conidia (fig. 50) by means of which the fungus is distributed. The Exoascales include the single family Exoascaceae; with this is so Stock Photo](https://c8.alamy.com/comp/RDTP3J/fungi-ascomycetes-ustilaginales-uredinales-fungi-ill-exoascales-93-mother-cell-during-development-two-nuclei-can-frequently-be-recognized-in-the-cells-of-the-fertile-mycelium-and-the-young-ascus-in-all-investigated-cases-is-binucleate-the-two-nuclei-fuse-the-fusion-nucleus-undergoes-three-successive-divisions-and-eight-spores-are-formed-fig-48-in-many-species-budding-of-the-ascospore-takes-place-so-that-the-mature-ascus-contains-numerous-minute-conidia-fig-50-by-means-of-which-the-fungus-is-distributed-the-exoascales-include-the-single-family-exoascaceae-with-this-is-so-RDTP3J.jpg ". Fungi, ascomycetes, ustilaginales, uredinales. Fungi. Ill] EXOASCALES 93 mother-cell during development. Two nuclei can frequently be recognized in the cells of the fertile mycelium, and the young ascus, in all investigated cases, is binucleate. The two nuclei fuse, the fusion nucleus undergoes three successive divisions and eight spores are formed (fig. 48). In many species budding of the ascospore takes place, so that the mature ascus contains numerous minute conidia (fig. 50) by means of which the fungus is distributed. The Exoascales include the single family Exoascaceae; with this is so Stock Photo")
RMRDTP3J–. Fungi, ascomycetes, ustilaginales, uredinales. Fungi. Ill] EXOASCALES 93 mother-cell during development. Two nuclei can frequently be recognized in the cells of the fertile mycelium, and the young ascus, in all investigated cases, is binucleate. The two nuclei fuse, the fusion nucleus undergoes three successive divisions and eight spores are formed (fig. 48). In many species budding of the ascospore takes place, so that the mature ascus contains numerous minute conidia (fig. 50) by means of which the fungus is distributed. The Exoascales include the single family Exoascaceae; with this is so
RMPG3H43–. British fungus-flora. A classified text-book of mycology. Fungi. ASCOBOLUS. 167 have observed, do not project beyond the surface of the disc at maturity; the large-celled parenchymatous excipulum also agrees with Ascoholus. In the early stage, while the spores. Ascdbolus harbatus, Mass. & Crossl. Fig. 1, group of fungi, nat. size; —Figs. 2, 3, entire fungus and section; x 75;—Fig. 4, cells of ex- cipulum ;—Fig. 5, ascus with spores and paraphyses;—Fig. 6, spores in various stages of development;—Fig. 7, marginal hairs;—Figs. 4-7 X 500. are yet hyaline, the fungus would pass for a species
RMREXDAP–. Lichens. Lichens. LICHEN ASCI AND SPORES 187 than in fungi; in many instances some or all of the spores in the ascus are imperfectly formed, and the full complement is frequently lacking, possibly owing to some occurrence of adverse conditions during the long slow development of the apothecium. In the larger number of genera and species the spores are small bodies, but in some, as for instance in the Pertusariae and in some Pyrenocarpeae, they exceed in size all known fungus spores. In Varicellaria microsticta, a rare crustaceous lichen of high moun- tains, the solitary i-septate spore measu
![. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 329 Heteroecism.'^" All of the examples just given are autcecious, i. e., all known spore forms are found on the same species of host plant. In many other rusts, however, heteroecism prevails, i. e., one stage of the fungus is found on one species of host and another stage upon another host; rarely three host plants are involved in the cycle. Aside from the rusts only one other fungus (Sclerotinia ledi) is known to show heteroecism. HetercEcism has been experimentally proved in some one hun- Stock Photo](https://c8.alamy.com/comp/PG4641/the-fungi-which-cause-plant-disease-plant-diseases-fungi-the-fungi-which-cause-plant-disease-329-heteroecismquot-all-of-the-examples-just-given-are-autcecious-i-e-all-known-spore-forms-are-found-on-the-same-species-of-host-plant-in-many-other-rusts-however-heteroecism-prevails-i-e-one-stage-of-the-fungus-is-found-on-one-species-of-host-and-another-stage-upon-another-host-rarely-three-host-plants-are-involved-in-the-cycle-aside-from-the-rusts-only-one-other-fungus-sclerotinia-ledi-is-known-to-show-heteroecism-hetercecism-has-been-experimentally-proved-in-some-one-hun-PG4641.jpg ". The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 329 Heteroecism.'^" All of the examples just given are autcecious, i. e., all known spore forms are found on the same species of host plant. In many other rusts, however, heteroecism prevails, i. e., one stage of the fungus is found on one species of host and another stage upon another host; rarely three host plants are involved in the cycle. Aside from the rusts only one other fungus (Sclerotinia ledi) is known to show heteroecism. HetercEcism has been experimentally proved in some one hun- Stock Photo")
RMPG4641–. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 329 Heteroecism.'^" All of the examples just given are autcecious, i. e., all known spore forms are found on the same species of host plant. In many other rusts, however, heteroecism prevails, i. e., one stage of the fungus is found on one species of host and another stage upon another host; rarely three host plants are involved in the cycle. Aside from the rusts only one other fungus (Sclerotinia ledi) is known to show heteroecism. HetercEcism has been experimentally proved in some one hun-
RMRDYGYM–. The mushroom book : a popular guide to the identification and study of our commoner fungi, with special emphasis on the edible varieties . Mushrooms; Mushrooms, Edible; Cookery (Mushrooms); cbk. White-spored Series GENUS CANTHARELLUS The members of the genus Cantharellus differ from all other gill-bearing fungi in that the gills are in the form of shallow folds growing down the stem. The folds are generally narrow and forked or branching. The name Cantharellus, meaning little cup or goblet, refers to the shape of the fungus, some of the species being so deeply depressed that a cup not unlike
RMPG4B78–. Minnesota mushrooms ... Botany; Mushrooms. 9-' MINNESOTA MUSHROOMS FISTULIXA Distinguished by tlie free or separate tubes, from the preceding and the follow- ing genera. It also differs from Boletus in having a lateral or verv short stem, and in growing on -wood. The one common species has long been celebrateci as an edible fungus. The name refers to the separate tubes. Fistulina hepatica Beefsteak Fungus Cap 8-20 cm. wide, bright red or red-brown, liver-shaped to shelf-like, more or less lobed, smooth, more or less stickv when wet: flesh containing reddish fibers ; stem short, lateral and a
RMRDWPK6–. An introduction to the structure and reproduction of plants. Plant anatomy; Plants. 250 OTHER BASIDIOMYCETES been shed. It has been estimated that a moderate-sized specimen will produce some 1,800,000,000 spores, and other allied species form spores in even greater profusion ! In the genus Boletus, whose fruit-body has the same general form as that of the Mushroom, the underside of the cap presents the structure of a honeycomb, consisting of a multitude of vertical tubes, the inner surfaces of which are lined with hymenium (Fig. 134, E). A similar construction is seen in the Bracket Fungus [
RMPG3H24–. British fungus-flora. A classified text-book of mycology. Fungi. HELVELLA. 465 In pine woods, among moss, &c. Specimen from. Fries examined. The present species lias by some authorities heen placed in the genus Peziza, used in the broader sense, on account of the concave or cup-shaped form of the young ascophore, but the entire structure is that of Hehella. Helvella atra. Konig, Zoega. Fl. Isl.. p. 20: Cke.. Mrcogr., fig. 167 ; Phil., Brit Disc, p. Hi; Sacc, Syll., viii. n. 81. Solitary, sooty-black or black with a purple shade; pileus droop- ing on opposite sides, depressed at the centr
RMRDX0WK–. Fungi, ascomycetes, ustilaginales, uredinales. Fungi. igo HEMIBASIDIOMYCETES [CH.. Federley, in 1903, described specimens of this fungus in which conjugation is followed not only by the migration of the nucleus of one of the cells concerned, but also by nuclear fusion (fig. 15s). In view of the fusion in the young spore recorded by Dangeard and by Rawitscher the details of de- velopment in this species de- mand further investigation. Ustilago Maydis, the smut of Zea Mays, induces con- siderable hypertrophy. The deformations contain a mass of gelatinous mycelium from which brand-spores are pr
![. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 585 in diameter, numerous, minute, elliptic oblong, 3.3-3.4 x 1-1.5 /x, hyaline. It causes a wilt of ginseng. The vascular bundles are yellowed and the ducts plugged by the mycelium. Entrance is apparently through the leaf scars. The fungus J f / Nk P was isolated by Van Hook'^^^ and cultural studies made. In a later article Rankin 2°' has discussed what appears to be this fungus under the name A. panax. A. vilmorinii Gue.*"**-''^^ causes a disease of China asters and a species closely relat Stock Photo](https://c8.alamy.com/comp/PG45K2/the-fungi-which-cause-plant-disease-plant-diseases-fungi-the-fungi-which-cause-plant-disease-585-in-diameter-numerous-minute-elliptic-oblong-33-34-x-1-15-x-hyaline-it-causes-a-wilt-of-ginseng-the-vascular-bundles-are-yellowed-and-the-ducts-plugged-by-the-mycelium-entrance-is-apparently-through-the-leaf-scars-the-fungus-j-f-nk-p-was-isolated-by-van-hook-and-cultural-studies-made-in-a-later-article-rankin-2-has-discussed-what-appears-to-be-this-fungus-under-the-name-a-panax-a-vilmorinii-guequot-causes-a-disease-of-china-asters-and-a-species-closely-relat-PG45K2.jpg ". The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 585 in diameter, numerous, minute, elliptic oblong, 3.3-3.4 x 1-1.5 /x, hyaline. It causes a wilt of ginseng. The vascular bundles are yellowed and the ducts plugged by the mycelium. Entrance is apparently through the leaf scars. The fungus J f / Nk P was isolated by Van Hook'^^^ and cultural studies made. In a later article Rankin 2°' has discussed what appears to be this fungus under the name A. panax. A. vilmorinii Gue.*"**-''^^ causes a disease of China asters and a species closely relat Stock Photo")
RMPG45K2–. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 585 in diameter, numerous, minute, elliptic oblong, 3.3-3.4 x 1-1.5 /x, hyaline. It causes a wilt of ginseng. The vascular bundles are yellowed and the ducts plugged by the mycelium. Entrance is apparently through the leaf scars. The fungus J f / Nk P was isolated by Van Hook'^^^ and cultural studies made. In a later article Rankin 2°' has discussed what appears to be this fungus under the name A. panax. A. vilmorinii Gue.*"**-''^^ causes a disease of China asters and a species closely relat
RMRDHBW7–. Outlines of plant life : with special reference to form and function . Botany. THE FUNGUS BODY. 31 from a single cell, and is comparable to the thread-like body of the filamentous algae. There is, naturally, a great variety in the hyphje of differ- ent species of fungi. Some are relatively large ; others very small; some of even diameter and caliber, others irregular and with unequally thickened walls ; some very thin-walled, others very thick-walled. Between these extremes is to be found a complete gradation. They grow in length at the apex only. In many kinds partitions are formed at more
RMPG4GJY–. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 159. spreading the fungus during the summer though they have not yet actually been observed to germinate or to cause infection. Apothecia radiately arranged on the stroma which is about 0.5-1.5 cm. across; asci 120-130 X 9-10 ix; spores large, 65-80 Tt 1.5-3 m; paraphyses numerous, in- curved or hooked. Conidia (=Melasmia acerina Lev.) preceding the asci, producing numerous small, hyaline, 1-celled spores in an extended hy- menial layer. On various species of Fig. maple, apparently consist- ing o
RMRDXXGN–. Principles of modern biology. Biology. 574 - Heredity and Evolution possible to catch a glimpse of the chain of circumstances that interlinks the species of a region, even though biotic interrelationships are extremely complex and difficult to study. In 1931, for example, a fungus disease, caused by a parasitic slime mold (Labyrinthula), suddenly destroyed almost all of the eelgrass (Zostera marina) that for centuries had flour- ished in the shallow bays and inlets along the Atlantic coast. Such a wholesale extermi- nation of the eelgrass produced enormous changes in the fauna and flora of t
![. A text-book of mycology and plant pathology . Plant diseases; Fungi in agriculture; Plant diseases; Fungi. RUST FUXGI 20; species of violets^m Asia, Europe, Northland South America. It is autoecious. jjajiyi 1 â |k â '^^J ^K ^ ^ ^ F N FiC- 74-âfilches" brooan caused by Gymno- sporangium EUisii. [Aflcr Harshberger, Proc. Ac4sd. Nat. Sci. P'r.i'.a.. Jtfor, 1902.). Fig. 75.âA. Protmding n]i- i'Z'Tjr. horns of lie mst fungus. GymoHSptfrangiuwi EUisii on-white cedar; B, teliospcre- (May 27, 1916.) Mint Rust, Pucclnia metdha, i; also an autoecious rust. Maize Rust, Pucdnia sorgki, is widely Stock Photo](https://c8.alamy.com/comp/PG450C/a-text-book-of-mycology-and-plant-pathology-plant-diseases-fungi-in-agriculture-plant-diseases-fungi-rust-fuxgi-20-species-of-violetsm-asia-europe-northland-south-america-it-is-autoecious-jjajiyi-1-k-j-k-f-n-fic-74-filchesquot-brooan-caused-by-gymno-sporangium-euisii-aflcr-harshberger-proc-ac4sd-nat-sci-pria-jtfor-1902-fig-75a-protmding-n-i-iztjr-horns-of-lie-mst-fungus-gymohsptfrangiuwi-euisii-on-white-cedar-b-teliospcre-may-27-1916-mint-rust-pucclnia-metdha-i-also-an-autoecious-rust-maize-rust-pucdnia-sorgki-is-widely-PG450C.jpg ". A text-book of mycology and plant pathology . Plant diseases; Fungi in agriculture; Plant diseases; Fungi. RUST FUXGI 20; species of violets^m Asia, Europe, Northland South America. It is autoecious. jjajiyi 1 â |k â '^^J ^K ^ ^ ^ F N FiC- 74-âfilches" brooan caused by Gymno- sporangium EUisii. [Aflcr Harshberger, Proc. Ac4sd. Nat. Sci. P'r.i'.a.. Jtfor, 1902.). Fig. 75.âA. Protmding n]i- i'Z'Tjr. horns of lie mst fungus. GymoHSptfrangiuwi EUisii on-white cedar; B, teliospcre- (May 27, 1916.) Mint Rust, Pucclnia metdha, i; also an autoecious rust. Maize Rust, Pucdnia sorgki, is widely Stock Photo")
RMPG450C–. A text-book of mycology and plant pathology . Plant diseases; Fungi in agriculture; Plant diseases; Fungi. RUST FUXGI 20; species of violets^m Asia, Europe, Northland South America. It is autoecious. jjajiyi 1 â |k â '^^J ^K ^ ^ ^ F N FiC- 74-âfilches" brooan caused by Gymno- sporangium EUisii. [Aflcr Harshberger, Proc. Ac4sd. Nat. Sci. P'r.i'.a.. Jtfor, 1902.). Fig. 75.âA. Protmding n]i- i'Z'Tjr. horns of lie mst fungus. GymoHSptfrangiuwi EUisii on-white cedar; B, teliospcre- (May 27, 1916.) Mint Rust, Pucclnia metdha, i; also an autoecious rust. Maize Rust, Pucdnia sorgki, is widely
![. Goldfish breeds and other aquarium fishes, their care and propagation; a guide to freshwater and marine aquaria, their fauna, flora and management. Aquariums; Goldfish. AILMENTS AND DISEASES. o Fungus on Spawn. The spawn of fishes is attacked by a fungus which manifests itself by short hairliice growths on the surface. Fig. 75. It is usually one of the species of the Saproleg- niacese, Saprolegnia ferax or Dictyuchus polyspo- ''""'''â ' rus-, the spores of which are present in all natu- ral waters,and are more fully described hereafter. Treatment. There is little to be done for thi Stock Photo](https://c8.alamy.com/comp/RDXYJH/goldfish-breeds-and-other-aquarium-fishes-their-care-and-propagation-a-guide-to-freshwater-and-marine-aquaria-their-fauna-flora-and-management-aquariums-goldfish-ailments-and-diseases-o-fungus-on-spawn-the-spawn-of-fishes-is-attacked-by-a-fungus-which-manifests-itself-by-short-hairliice-growths-on-the-surface-fig-75-it-is-usually-one-of-the-species-of-the-saproleg-niacese-saprolegnia-ferax-or-dictyuchus-polyspo-quotquot-rus-the-spores-of-which-are-present-in-all-natu-ral-watersand-are-more-fully-described-hereafter-treatment-there-is-little-to-be-done-for-thi-RDXYJH.jpg ". Goldfish breeds and other aquarium fishes, their care and propagation; a guide to freshwater and marine aquaria, their fauna, flora and management. Aquariums; Goldfish. AILMENTS AND DISEASES. o Fungus on Spawn. The spawn of fishes is attacked by a fungus which manifests itself by short hairliice growths on the surface. Fig. 75. It is usually one of the species of the Saproleg- niacese, Saprolegnia ferax or Dictyuchus polyspo- ''""'''â ' rus-, the spores of which are present in all natu- ral waters,and are more fully described hereafter. Treatment. There is little to be done for thi Stock Photo")
RMRDXYJH–. Goldfish breeds and other aquarium fishes, their care and propagation; a guide to freshwater and marine aquaria, their fauna, flora and management. Aquariums; Goldfish. AILMENTS AND DISEASES. o Fungus on Spawn. The spawn of fishes is attacked by a fungus which manifests itself by short hairliice growths on the surface. Fig. 75. It is usually one of the species of the Saproleg- niacese, Saprolegnia ferax or Dictyuchus polyspo- ''""'''â ' rus-, the spores of which are present in all natu- ral waters,and are more fully described hereafter. Treatment. There is little to be done for thi
RMPG3W7G–. An illustrated descriptive catalogue of the coleoptera or beetles (exclusive of the Rhynchophora) known to occur in Indiana : with bibliography and descriptions of new species . Beetles. 286 FAMILY VIII.—SILPHID^. subhumeral row of punctures; intei-vals flat, shining, sparsely punctulate, the alternate ones with a few widely distant, coarser punctures. Length 2.5 mm. Pine, Lake County, and near Clear Lake, Steuben County; scarce. May 2-May 25. A member of the boreal fauna. Resem- bles a small Pallodes pallichts, a common fungus beetle of the family Nitidulidffi. A. conferta Lee., piceous, el
RMRDJ5P7–. Fungous diseases of plants : with chapters on physiology, culture methods and technique . Fungi in agriculture. 434 FUNGOUS DISEASES OF PLANTS fungus should not long ago have appeared in America.1 The eecidial stage is also found upon another species of pine, Pinus cembra, and it is believed by some that the fungus is indigenous upon this species in Russia and in Switzerland. Host plants. The uredo and teleuto stages (Fig. 211) occur upon many varieties of the genus Ribes, representing several. Please note that these images are extracted from scanned page images that may have been digitally
RMRDE27M–. A text-book of mycology and plant pathology . Plant diseases; Fungi in agriculture; Plant diseases; Fungi. FLESHY AND WOODY FUNGI 225 three species of which M. lacrymans, the dry-rot fungus, is most impor- tant. This fungus is of world-wide distribution, where it attacks structural wood work and timbers. It has been so long associated as a destructive agent with the structural wood work of men, that it was supposed to be an entirely domesticated form and not known to exist in the wild form. Recent investigations have shown that it occurs on living trees, which when used for structural purpos
RMRDYW0W–. Genetics in relation to agriculture. Livestock; Heredity; Variation (Biology); Plant breeding. 406 GENETICS IN RELATION TO AGRICULTURE parasitica. The parasite is a native of eastern Asia where it is parasitic upon native species of chestnut, to which it appears to do relatively Uttle harm. In other words these species are highly resistant to the parasite. However, when the fungus was introduced into America, pre- sumably in nursery stock some 25 years ago, it found in our native species, Castanea americana, a very susceptible host (Fig. 16.5). The parasite has already caused the destruction
RMRDE23E–. A text-book of mycology and plant pathology . Plant diseases; Fungi in agriculture; Plant diseases; Fungi. 266 MYCOLOGY C. glmosporioides, clovers and alfalfa by C. trifolii and the snapdragon by C. antirrhini. Usually the diseases on these plants induced by species of Colletotrichum are known as anthracnose (Fig. 107). Coryneum Bei- jerinckii is a destructive fungus causing the peach blight. Pestalozzia Guepini var. vaccinii is a fungus often found upon the cranberry leaves and fruits. The conidiospores are three-celled, the terminal cells with filiform appendages. The shot-hole disease of
RMRDE20R–. The mushroom book. A popular guide to the identification and study of our commoner Fungi, with special emphasis on the edible varieties. Mushrooms; Cookery (Mushrooms); cbk. White-spored Series GENUS CANTHARELLUS The members of the genus Cantharellus differ from all other gill-bearing fungi in that the gills are in the form of shallow folds growing down the stem. The folds are generally narrow and forked or branching. The name Cantharellus, meaning little cup or goblet, refers to the shape of the fungus, some of the species being so deeply depressed that a cup not unlike a tall goblet result
RMRDCY56–. Diseases of plants induced by cryptogamic parasites : introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae . Plant diseases; Parasitic plants; Fungi. ASCOCHYTA. 473. U8 this fungus is injurious to Pisum sativum, Phaseolus vulgaris, Vicia sativa, etc. It causes spots on leaves and pods, followed by- drying up of the former and deformation of the latter. The pycnidia appear as tiny points on the spots, and give out bicellular cylindrical conidia. As. Boltshauseri Sacc.^ This species was first observed in Switzerland on bean {Plia- seolus vulgaris). Leaves of all ag
RMRGB457–. Bulletin (Pennsylvania Game Commision), no. 10. Game protection; Birds. Photograph by Ralph B. Simpson. Fig. 10. NEST OF RUFFED GROUSE One reason that game birds persist in spite of their many natural enemies is that they lay large sets of eggs. Dr. Allen of Cornell, who has been conducting a scientific study of the grouse for the past several years, has already discovered some 16 different forms of intestinal and fungus disease to which the species is subject. In consideration of all these facts, and due also to the reports of our field men and interested sportsmen which show a really alarm
RMRDTB1R–. My garden, its plan and culture together with a general description of its geology, botany, and natural history. Gardening. 'Fig. 829.—Tubercularia vulgaris, nat. size and magnified. Fig. 8z8.—Agaricus euosmus. it smells like tarragon. It was particularly described by our veteran fungologist, the Rev. Mr. Berkeley. Many other species grow on our root-work. The smaller sticks often exhibit a beautiful small red fungus called the Tubercularia vulgaris (fig. 829). The curious order Myxogaster, which is regarded by some persons as a connecting link between animal and vegetal bodies, is also foun
RMRGAEHP–. Bulletin (Pennsylvania Department of Forestry), no. 14-16. Forests and forestry. I'lioto hj- U. (i. Conklin. Fig. 15. Planting on land cleared of brush.. I'lioto b.v It. G. Couklin. Fig. 16, Planting in brush. spruce may be mixed with practically all of the species herein ad- vised to plant. Where any particular species is subject to injury or destruction by insects or fungous diseases, it is well to plant such species in mixture with other species not liable to attack by that particular insect* or fungus. For example, the white pine weevil is doing considerable damage in this State to white
RMRDE4RD–. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 661 Soon the sclerotia form as mustard-seed-like bodies. They are produced in great abundance on all media but neither these struc- tures nor the mycelium have yet been seen to bear spores of any kind. The fungus was first studied by Halsted =' and later by many others. It was described and named by Saccardo from speci- mens communicated by Stevens. S. cepivorum Berk. Minute, spherical, gregarious, black. It is found on various species of Allium, causing rot.. Fig. 447.—S. roUsii, sclerotia. Afte
RMRE0KE0–. Elementary plant physiology. Plant physiology. Nutrition. 97 and note the manner in which the fine hyphal threads of the parasite penetrate the cells of the host, or show de- vices for drawing nutritive material from them. Rusts, mildews, and molds will offer many accessible examples for such studies. 100. Symbiosis of a seed plant and a fungus Cut sections of the apical portions of the roots of any coniferous tree, and note the presence of a fungus which may enwrap the root in some species, replacing the piliferous layer, while in others it penetrates the cortical cells, send- ing hyphae ou
RMRGB45G–. Bulletin (Pennsylvania Game Commision), no. 10. Game protection; Birds. 14 15. Photograph by Ralph B. Simpson. Fig. 10. NEST OF RUFFED GROUSE One reason that game birds persist in spite of their many natural enemies is that they lay large sets of eggs. Dr. Allen of Cornell, who has been conducting a scientific study of the grouse for the past several years, has already discovered some 16 different forms of intestinal and fungus disease to which the species is subject. In consideration of all these facts, and due also to the reports of our field men and interested sportsmen which show a reall
RMRDYRR5–. Principles of modern biology. Biology. The Plant Kingdom - 607. Fig. 31-14. Puffballs, another kind of club fungus, growing upon rotting wood. Notice the white strands of the mycelium, which penetrate down into the wood. The mycelium must grow for many weeks before the sporophores (puffballs) ap- pear. (Photo by C. F. Hottes; from The Plant World.) poisonous species (commonly called toad- stools). Some of these produce organic toxins of truly high potency. Only an expert, there- fore, should be trusted to gather mushrooms from the field. A single large sporophore from the commercial mushroom
RMRDJFEE–. Fungous diseases of plants : with chapters on physiology, culture methods and technique . Fungi in agriculture. Fig. 74. Botkyt/s c/,erea. (After R. E. Smith) .7, portion of conidiophore ; 6, organ of attachment The fungus: morphology and biology. Under Sclcrotinia Fuckeliatia it is intended to include the forms of disease which may be attributed in Europe to Botrytis cinerca Pers. and in America to Botrytis vulgaris Fr. It has been satisfactorily dem- onstrated that these two names apply to a single species, a typical conidiophore of which is illustrated in Fig. 74. The observations of De
![. An introduction to the structure and reproduction of plants. Plant anatomy; Plants. 26o LICHENS ^-g^^^^^^^^^dmsj scattered throughout the thallus [e.g. Collema) or occupying definite zones (e.g. XantJwria parietina, Fig. 142, C). The association between Alga and Fungus is paralleled by the so-called " green cells " found in several aquatic animals [e.g. freshwater Sponges, Hydra viridis) ; these are due to uni- cellular Algse (species of Chlor- ella, etc.), and in all such cases the partnership be- tween plant and animal appears to be of mutual benefit. In this connection it may be Stock Photo](https://c8.alamy.com/comp/RDWPH8/an-introduction-to-the-structure-and-reproduction-of-plants-plant-anatomy-plants-26o-lichens-gdmsj-scattered-throughout-the-thallus-eg-collema-or-occupying-definite-zones-eg-xantjwria-parietina-fig-142-c-the-association-between-alga-and-fungus-is-paralleled-by-the-so-called-quot-green-cells-quot-found-in-several-aquatic-animals-eg-freshwater-sponges-hydra-viridis-these-are-due-to-uni-cellular-algse-species-of-chlor-ella-etc-and-in-all-such-cases-the-partnership-be-tween-plant-and-animal-appears-to-be-of-mutual-benefit-in-this-connection-it-may-be-RDWPH8.jpg ". An introduction to the structure and reproduction of plants. Plant anatomy; Plants. 26o LICHENS ^-g^^^^^^^^^dmsj scattered throughout the thallus [e.g. Collema) or occupying definite zones (e.g. XantJwria parietina, Fig. 142, C). The association between Alga and Fungus is paralleled by the so-called " green cells " found in several aquatic animals [e.g. freshwater Sponges, Hydra viridis) ; these are due to uni- cellular Algse (species of Chlor- ella, etc.), and in all such cases the partnership be- tween plant and animal appears to be of mutual benefit. In this connection it may be Stock Photo")
RMRDWPH8–. An introduction to the structure and reproduction of plants. Plant anatomy; Plants. 26o LICHENS ^-g^^^^^^^^^dmsj scattered throughout the thallus [e.g. Collema) or occupying definite zones (e.g. XantJwria parietina, Fig. 142, C). The association between Alga and Fungus is paralleled by the so-called " green cells " found in several aquatic animals [e.g. freshwater Sponges, Hydra viridis) ; these are due to uni- cellular Algse (species of Chlor- ella, etc.), and in all such cases the partnership be- tween plant and animal appears to be of mutual benefit. In this connection it may be
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