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Stromata Stock Photos and Images
RF2WFTXM0–Hypoxylon howeanum, brown globose stromata and branching asexual state, wild fungus from Finland
![Field studies on the dissemination and growth of the chestnut blight fungus [microform] . Hypertrophj^ type of canker.. Cankers showing stromata. Stock Photo](https://c8.alamy.com/comp/2AJ4K1H/field-studies-on-the-dissemination-and-growth-of-the-chestnut-blight-fungus-microform-hypertrophj-type-of-canker-cankers-showing-stromata-2AJ4K1H.jpg "Field studies on the dissemination and growth of the chestnut blight fungus [microform] . Hypertrophj^ type of canker.. Cankers showing stromata. Stock Photo")
RM2AJ4K1H–Field studies on the dissemination and growth of the chestnut blight fungus [microform] . Hypertrophj^ type of canker.. Cankers showing stromata.
RF2WX7PKM–Watercolor blooming seamless pattern with pink Calathea stromanta tropical leaves. Botanical tropical seamless pattern for textiles, fabrics, wallpape
RMGE72WK–Saint Clement of Alexandria (150-215 Christian theologian whose major works include the trilogy Protrepticus, Paedagogus and Stromata.
RMPG468M–. The fungi which cause plant disease . Plant diseases; Fungi. 286 THE FUNGI WHICH CAUSE PLANT DISEASE attacking first the parenchyma cells and medullary rays. The young stromata appear under the bark bearing when young small unicellular conidia. The stromata later turn hard and black and. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Stevens, Frank Lincoln, 1871-1934. New York : Macmillan
RMW05117–Archive image from page 295 of Die forstinsekten Mitteleuropas Ein lehr-. Die forstinsekten Mitteleuropas. Ein lehr- und handbuch dieforstinsekten01esch Year: 1914 278 Kapitel VI. Natürliche Beschränkung der Insektenvermehrung. Der Pilz tritt meistens nur in der Form einfacher, einen schimmel- artigen Flaum bildender Fruchthyphen auf/) kann aber zuweilen isaria- ähnliche Stromata bilden. Die aus dem Innern von infolge des Befalls ver- endeten Raupen hervorbrechenden Fruchthyphen sind aufrecht, unverzweigt oder seltener gabelig mit kurzen Ästen, farblos und durch Scheidewände in lange Zellen
RMMCKCBT–. Fig. 128 Melanconium Iliau. Stromata and Conidia From Bull, it, Dept. Pathology, H.S.Pji.
RF2WAWGAB–Hypoxylon howeanum, brown globose stromata and branching asexual state, wild fungus from Finland
![Field studies on the dissemination and growth of the chestnut blight fungus [microform] . Stromata shoeing the necks of the perithecia. J. Hypertrophj^ type of canker. Stock Photo](https://c8.alamy.com/comp/2AJ4K9C/field-studies-on-the-dissemination-and-growth-of-the-chestnut-blight-fungus-microform-stromata-shoeing-the-necks-of-the-perithecia-j-hypertrophj-type-of-canker-2AJ4K9C.jpg "Field studies on the dissemination and growth of the chestnut blight fungus [microform] . Stromata shoeing the necks of the perithecia. J. Hypertrophj^ type of canker. Stock Photo")
RM2AJ4K9C–Field studies on the dissemination and growth of the chestnut blight fungus [microform] . Stromata shoeing the necks of the perithecia. J. Hypertrophj^ type of canker.
RMPG3YF9–. Fungous diseases of plants : with chapters on physiology, culture methods and technique . Fungi in agriculture. 284 FUNGOUS DISEASES OF PLANTS The fungus. The mycelium penetrates the bark and later the wood beneath to a considerable extent. The course of the fungus through the bark and wood is very largely through the paren- chymatous and medullary cells. From these, however, it infests neighboring tissues, especially the xylem vessels. The stromata and fruit bodies are developed from the latter part of the summer into the autumn and winter. From the upper surface of the stroma a mat of coni
RMT1HY26–Diseases of crop-plants in the Diseases of crop-plants in the Lesser Antilles diseasesofcroppl00nowe Year: 1923 Fig. 127 Gnomonia Iliau, Vertical Section of Perithecium and Asci From Bull. 11, Dept. Pathology, H.S.P.A. Fig. 128 Melanconium Iliau. Stromata and Conidia From Bull, it, Dept. Pathology, H.S.Pji.
RMMCK6RA–. Fig. 111.—Acilaospora ialeola. Portion of cortex with embedded stromata. «, Corky layer; h, after removal of corky layer; c, section of stroma. ( x f.) (After Hartig.)
RF2WAWGAD–Hypoxylon howeanum, brown globose stromata and branching asexual state, wild fungus from Finland
RF2E3T4BT–Hypocreopsis, lichenoides, also called Hypocrea riccioidea, commonly known as Willow Gloves, wild mushroom from Finland
![Field studies on the dissemination and growth of the chestnut blight fungus [microform] . Cankers showing stromata.. Painted outlines showing monthly growthof a canker, one-half natural size. Stock Photo](https://c8.alamy.com/comp/2AJ4JKG/field-studies-on-the-dissemination-and-growth-of-the-chestnut-blight-fungus-microform-cankers-showing-stromata-painted-outlines-showing-monthly-growthof-a-canker-one-half-natural-size-2AJ4JKG.jpg "Field studies on the dissemination and growth of the chestnut blight fungus [microform] . Cankers showing stromata.. Painted outlines showing monthly growthof a canker, one-half natural size. Stock Photo")
RM2AJ4JKG–Field studies on the dissemination and growth of the chestnut blight fungus [microform] . Cankers showing stromata.. Painted outlines showing monthly growthof a canker, one-half natural size.
RMPG3YJY–. Fungous diseases of plants : with chapters on physiology, culture methods and technique . Fungi in agriculture. 242 FUNGOUS DISEASES OF PLANTS hyphae as yeast-like conidial cells. The cushion-like masses also produce conidia in quantity. Mayr described certain macroconidia borne upon small, white stromata preceding the usual cushions on the canes ; but Durand was unable to detect such spores.. FIG. IO3. PLEONECTRrA BEROLINENSIS: A CLUSTER OF PERITHECIA (Photograph by E. J. Durand) Control. It would seem that the most practical method of control consists in eradicating diseased vines as they
RMT1H0GA–Diseases of plants induced by Diseases of plants induced by cryptogamic parasites; introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae diseasesofplants00tube Year: 1897 VALSA. 225 where leaves of the alder are dried in summer for use as winter-fodder for goats. In the branches attacked, a mycelium is developed in the vessels of the wood, whereby the supply of water is stopped and the bark dries up. Black lens-shaped stromata arise under the epidermis of the twig and rupture it. The perithecia are produced under the stromata in the bark, and communicate o cfc) i-*
![. Fig. 111.âAglaospora ialeola. Portion of cortex with embedded stromata. fi, Corky layer; h, after removal of corky layer; c, section of stroma. { x ^.) (After Hartig.) :mr"='-"''-5^^ ^ â ^ r. Stock Photo](https://c8.alamy.com/comp/MCK5GC/fig-111aglaospora-ialeola-portion-of-cortex-with-embedded-stromata-fi-corky-layer-h-after-removal-of-corky-layer-c-section-of-stroma-x-after-hartig-mrquot=-quot-5-r-MCK5GC.jpg ". Fig. 111.âAglaospora ialeola. Portion of cortex with embedded stromata. fi, Corky layer; h, after removal of corky layer; c, section of stroma. { x ^.) (After Hartig.) :mr"='-"''-5^^ ^ â ^ r. Stock Photo")
RMMCK5GC–. Fig. 111.âAglaospora ialeola. Portion of cortex with embedded stromata. fi, Corky layer; h, after removal of corky layer; c, section of stroma. { x ^.) (After Hartig.) :mr"='-"''-5^^ ^ â ^ r.
RF2E3YR0A–Hypocreopsis lichenoides, also called Hypocrea riccioidea, commonly known as Willow Gloves, wild mushroom from Finland
![Field studies on the dissemination and growth of the chestnut blight fungus [microform] . Colonies of the blight fungus on agar plate resulting from naturally ejectedascospores. Bark with active perithecia placed one inch above theplate over the dark line at bottom of plate. Each black point indicatesone colony.. Stromata shoeing the necks of the perithecia. J Stock Photo](https://c8.alamy.com/comp/2AJ4KG0/field-studies-on-the-dissemination-and-growth-of-the-chestnut-blight-fungus-microform-colonies-of-the-blight-fungus-on-agar-plate-resulting-from-naturally-ejectedascospores-bark-with-active-perithecia-placed-one-inch-above-theplate-over-the-dark-line-at-bottom-of-plate-each-black-point-indicatesone-colony-stromata-shoeing-the-necks-of-the-perithecia-j-2AJ4KG0.jpg "Field studies on the dissemination and growth of the chestnut blight fungus [microform] . Colonies of the blight fungus on agar plate resulting from naturally ejectedascospores. Bark with active perithecia placed one inch above theplate over the dark line at bottom of plate. Each black point indicatesone colony.. Stromata shoeing the necks of the perithecia. J Stock Photo")
RM2AJ4KG0–Field studies on the dissemination and growth of the chestnut blight fungus [microform] . Colonies of the blight fungus on agar plate resulting from naturally ejectedascospores. Bark with active perithecia placed one inch above theplate over the dark line at bottom of plate. Each black point indicatesone colony.. Stromata shoeing the necks of the perithecia. J
RMPG4BM7–. Diseases of plants induced by cryptogamic parasites : introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae . Plant diseases; Parasitic plants; Fungi. VALSA. 225 where leaves of the alder are dried in summer for use as winter-fodder for goats. In the branches attacked, a mycelium is developed in the vessels of the wood, whereby the supply of water is stopped and the bark dries up. Black lens-shaped stromata arise under the epidermis of the twig and rupture it. The perithecia are produced under the stromata in the bark, and communicate. Fig. 109.— Valsa oxy&tom
RMT1H0GB–Diseases of plants induced by Diseases of plants induced by cryptogamuc parasites; introduction to the study of pathogenic fungi, slime-fungi, bacteria, and algae. English ed. by William G. Smith diseasesofplants00tubeuoft Year: 1897 VALSA. 225 where leaves of the alder are dried in sumnier for use as winter-fodder for goats. In the branches attacked, a mycelium is developed in the vessels of the wood, whereby the supply of water is stopped and the bark dries up. Black lens-shaped stromata arise under the epidermis of the twig and rui)ture it. The peritliecia are produced under the stromata
RMMCK6BB–. Fio. 111.âAglaospora taleola. Portion of cortex with embedded stromata. (!, Corky layer; 6, after removal of corky laver; c, section of stroma. ( x ^.) (After Hartig.) â j^^^^^^ Fio. 112.âSection of stroma of Aglaospora. a, Boundary of stroma formed of dark brown fungus - mycelium; 0, scleronchyma-strand of the cortex ; c, conidial cusljion ; d, union of necks of two perithecia. (After Hartig.)
RF2E3T4BY–Hypocreopsis, lichenoides, also called Hypocrea riccioidea, commonly known as Willow Gloves, wild mushroom from Finland
RM2AN3EWY–Fungi, Ascomycetes, Ustilaginales, Uredinales . . ? Fig. 124. Xyiaria HypoxylonGtev., after Tulasne.woven and rising vertically from the surface of the substratum. As theygrow the stromata assume their characteristic shape, conidia appear anddrops of pinkish or yellowish fluid are exuded. When these dry up, blackdots indicating the position of the ripening perithecia are seen. 168 PYRENOMYCETES [en.. Fig. i 2 5. Porottia pitnc/ala (L.) Fr.; rt. surface, ^. lateral view;after Tulasne.
RMPG3YJD–. Fungous diseases of plants : with chapters on physiology, culture methods and technique . Fungi in agriculture. 246 FUNGOUS DISEASES OF PLANTS Germination really consists in absorption of water, increase in size of the sclerotial mass, and the pushing into growth, some- times from many different points on the sclerotium, of compact masses of hypha?, which develop into sporo- phores. These sporophores may be from one fourth to one inch in height, and they bear at the summit head-shaped stromata within which the perithecia are differentiated. A cross sec- tion of the head-shaped stroma is show
RMT1GY4K–Diseases of plants induced by Diseases of plants induced by cryptogamic parasites; introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae diseasesofplant00tube Year: 1897 NECTRIA, 185 Nectria. Perithecia yellow or red iu colour, and generally produced in close tufts on stromata of the same colour. The asci con- tain eight bicellular spores and few or no paraphyses. Conidia of various kinds and shapes are also produced. Nectrina cinnabarina Fr. (Britain and U.S. America). The Jbrighc-red, button-shaped conidial cushions of this fungus may
RMMCK5G2–. Fig. 113.—a, Conidia ; h, asco- spore of Aglaospora toJ.eolo. ( X -^f^). (After Hartig.) superficially abjointed from the stromata; while embedded in it are groups of perithecia with necks which join together into one or a few common channels opening externally. The asci contain eight spores, which are two-celled and bear five thread-like appendages, one on each end, and three round the median septum (Fig. 113).
RF2E9KNWA–Hypocreopsis, lichenoides, also called Hypocrea riccioidea, commonly known as Willow Gloves, wild mushroom from Finland
RM2AN2AX2–Annual report of the Board of Control of the New York Agricultural Experiment Station . The ascospores are subelliptical,colorless, one-celled and measure 11 to 15by 4 to 6 ju. Between the asci are slender,Fig. 8. —Perithecial septate, sterile threads known as paraphyses.Stromata of C. viticola. The fact that this stage of the fungus hasnever been found in the State althoughdiligent search has been made for it, both before and since theappearance of Dr. Shears paper, makes it reasonably certain thatthe perithecial stage of the fungus plays no important role in thedissemination or perpetuation
RMPG14KT–. Chestnut blight. Chestnut blight; Chestnut. Endothia Canker of Chestnut S6i- are not typically curved is an additional reason why this stage should not be referred to Cytospora. The spore membrane is thin and smooth. The spores are filled with dense homogeneous protoplasm, and each spore contains a single smaU, elongated nucleus near the center. There is also a polar body in each end. Perithecia The mature stromata on older cankers have numerous projecting papilla on the surface (Plate XXXVIII, Fig. 2). The black speck at the tip of each papilla is the opening of a perithecium, the body of w
![Diseases of cultivated plants and Diseases of cultivated plants and trees diseasesofcultiv00massuoft Year: [1910?] NECTRIA â 79 brittle. Experiments have proved that the ascospores when placed on the young leaves, germinate, enter the tissues, and give origin to the disease. give origin to the disease. Ascigerous form. Stromata flattened, developed on under surface of the leaf, reddish, then orange-brown, osti Fig. 46.âPolystigma rubrum. i, diseased plum leaves; 2, section through stroma showing perithecia ; 3, asci containing spores ; 4, spermatia produced in spermogonia. Fig. i reduced Stock Photo](https://c8.alamy.com/comp/T1HHBM/diseases-of-cultivated-plants-and-diseases-of-cultivated-plants-and-trees-diseasesofcultiv00massuoft-year-1910-nectria-79-brittle-experiments-have-proved-that-the-ascospores-when-placed-on-the-young-leaves-germinate-enter-the-tissues-and-give-origin-to-the-disease-give-origin-to-the-disease-ascigerous-form-stromata-flattened-developed-on-under-surface-of-the-leaf-reddish-then-orange-brown-osti-fig-46polystigma-rubrum-i-diseased-plum-leaves-2-section-through-stroma-showing-perithecia-3-asci-containing-spores-4-spermatia-produced-in-spermogonia-fig-i-reduced-T1HHBM.jpg "Diseases of cultivated plants and Diseases of cultivated plants and trees diseasesofcultiv00massuoft Year: [1910?] NECTRIA â 79 brittle. Experiments have proved that the ascospores when placed on the young leaves, germinate, enter the tissues, and give origin to the disease. give origin to the disease. Ascigerous form. Stromata flattened, developed on under surface of the leaf, reddish, then orange-brown, osti Fig. 46.âPolystigma rubrum. i, diseased plum leaves; 2, section through stroma showing perithecia ; 3, asci containing spores ; 4, spermatia produced in spermogonia. Fig. i reduced Stock Photo")
RMT1HHBM–Diseases of cultivated plants and Diseases of cultivated plants and trees diseasesofcultiv00massuoft Year: [1910?] NECTRIA â 79 brittle. Experiments have proved that the ascospores when placed on the young leaves, germinate, enter the tissues, and give origin to the disease. give origin to the disease. Ascigerous form. Stromata flattened, developed on under surface of the leaf, reddish, then orange-brown, osti Fig. 46.âPolystigma rubrum. i, diseased plum leaves; 2, section through stroma showing perithecia ; 3, asci containing spores ; 4, spermatia produced in spermogonia. Fig. i reduced
RMMCK6R1–. Fig. 113.—n, Conidia; 6, asco- spore of Agki.ospora toJ.eola ( X ^^). (After Hartig.) superficially abjointed from the stromata; while embedded in it are groups of perithecia with necks which join together into one or a few common channels opening externally. The asci contain eight spores, which are two-celled and bear five thread-like appendages, one on each end, and three round the median septum (Fig. 113).
RF2E92H9Y–Hypocreopsis lichenoides, also called Hypocrea riccioidea, commonly known as Willow Gloves, wild mushroom from Finland
RM2AJ5T04–Fungous diseases of plants . 246 FUNGOUS DISEASES OF PLANTS Germination really consists in absorption of water, increase insize of the sclerotial mass, and the pushing into growth, some-times from many different points on the sclerotium, of compactmasses of hyphae, which develop into sporo-phores. These sporophores may be from onefourth to one inch in height, and they bear atthe summit head-shaped stromata within whichthe perithecia are differentiated. A cross sec-tion of the head-shaped stroma is shown inFig. 106, a. The sporophore consists of a stalk from onehalf to one inch in length, termi
RMPG4BK6–. Diseases of plants induced by cryptogamic parasites : introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae . Plant diseases; Parasitic plants; Fungi. Fio. 112.—Section of stroma of j4^/aospora. a, Boundary of stroma formed of dark brown fungus - m ycelium; b, sclerenchyma-strand of the cortex ; c, conidial cushion ; d, union of necks of two perithecia. (After Hartig.). Fig. 113.—a, Conidia; b, asco- spore of Aglaospoi-u taleola ( X ^). (After Hartig.) superficially abjointed from the stromata; while embedded in it are groups of perithecia with necks which join to
RMT3XFHJ–Archive image from page 499 of Die Natürlichen Pflanzenfamilien nebst ihren. Die Natürlichen Pflanzenfamilien nebst ihren Gattungen und wichtigeren Arten, insbesondere den Nutzpflanzen, unter Mitwirkung zahlreicher hervorragender Fachgelehrten begründet dienatrlichenp0101engl Year: 1897 486 Sphaeriales. (Lindau. ist, so dürfte es doch besser sein, den Pilz solange bei den stromalosen Formen zu belassen, bis umfassendere Untersuchungen über die Natur und Entwicklung des Stromas vorliegen. Fig. 2S(). A äypoxijlon cocchttum Bull., Stromata im Längsscliuitt, rechts ein solches mit Conidienlag
RMMCK6R9–. Fig. Wb. — PloKfirjhtia mor- Ijosa. Ascus, with eight spores. Spores in germina- tion. Filamentous para- physes. (Cop. from Farlow.) Fig. 114.—PloKcightia morbosa. (v. Tubeuf phot.) injurious and widely distributed disease of various species of Prunus, especially plum and cherry. The living branches and twigs become coated with a crust of warty excrescences, and at the same time are more or less thickened and deformed. A mycelium permeates the tissues of those swollen twigs, and forms black crusty stromata in which the perithecia are embedded. The perithecia contain simple paraphyses and eig
RF2E92HA8–Hypocreopsis lichenoides, also called Hypocrea riccioidea, commonly known as Willow Gloves, wild mushroom from Finland
RM2AJ5A0B–Fungous diseases of plants . Fig. 165. CvL/xDRospoJi/rM Pomi. (Photographs by Charles Itrooks)(7, spot induced by inoculation of apple ; /, mycelium in agar breaks through it to expose spores and sporophores. The sporesare hyaline, from one to five celled, and variously cured and con-torted. They are from 2 to 2.5 /x in diameter and from 15 to 80/x long.The chlamydospores and stromata are probably the agencies thatcarry the fungus over the winter. Under ordinary conditions ofpreparing separation cultures this fungus does not readily grow,and agar will ordinarily dry out before the fungus beco
RMPG42JH–. Diseases of plants induced by cryptogamic parasites : introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae . Plant diseases; Parasitic plants; Fungi. NECTRIA. 185 Nectria. Perithecia yellow or red in colour, and generally produced in close tufts on stromata of the same colour. The asci con- tain eight bicellular spores and few or no paraphyses. Conidia â of various kinds and shapes are also produced. Nectrina cinnabarina Fr.^ (Britain and U.S. America). The -bright-red, button-shaped conidial cushions of this fungus may. Please note that these images are extracte
RMT3XF9D–Archive image from page 482 of Die pilze in morphologischer, physiologischer,. Die pilze in morphologischer, physiologischer, biologischer und systematischer beziehung diepilzeinmorpho00zopf Year: 1890 Absclinitt VI. SystcniatiU KiitwickchiiiysgoscliiclitL 463 bleibt, im oberen zunächst Conidienlager bildend (Fig. 34, IV //) und in diesem Zustande weiss und weich erscheinend, später daselbst eingesenkte Schlauchlrlichte erzeugend. BerUglich der Phosphorescenz des Mycels vergl. pag. 195. Gattung 2. Usttdina Tulasne. Ausgebreitete, dicke, kuchenartige Stromata bildend (Fig. 34, I IIj, die anfa
RMMCK6B8–. Fio. 115.—Ploirriiihtia mor- hosa. Ascus, with eight spores. Spores in germinn- tion. Filuinentou.s jwira- physes. (Cop. fnmi F!rlov.) Fig. 114.—Plowrightia morbosa. (v. Tubeuf phot.) injurious and widely distributed disease of various species of Prunas, especially plum and cherry. The living branches and twigs become coated with a crust of warty excrescences, and at the same time are more or less thickened and deformed. A mycelium permeates the tissues of those swollen twigs, and forms black crusty stromata in which the perithecia are embedded. The perithecia contain simple paraphyses and
RM2CE0CRJ–. Endothia parasitica and related species . It*. -. mm ENDOTHIA GYROSA. VERTICAL SECTIONSBEECH. X32. OF STROMATA ON Fiq. 1.—Showing Numerous Pycnidial Cavities andTwo Mature Perithecia.Fig. 2.—Showing Mature Pycnidia and Perithecia Side by Side. Except where otherwise indicated, the photomicrographs of stromata are from unstainedsections cut with a freezing microtome. Bui. 380, U. S. Dept. of Agriculture. Plate XII.
RMPG3NY5–. Fungous diseases of plants : with chapters on physiology, culture methods and technique . Fungi in agriculture. Fig. 165. Cylindrosporium Pom. (Photographs by Charles Brooks) a, spot induced by inoculation of apple; b, mycelium in agar breaks through it to expose spores and sporophores. The spores are hyaline, from one to five celled, and variously curved and con- torted. They are from 2 to 2.5 fi in diameter and from 15 to 80/a long. The chlamydospores and stromata are probably the agencies that carry the fungus over the winter. Under ordinary conditions of preparing separation cultures thi
RMT1J1DR–Diseases of plants induced by Diseases of plants induced by cryptogamic parasites; introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae diseasesofplants00tube Year: 1897 124 ASCOMYCETES. rupture ul' the epidermis. Xumerous leaves may be diseased and each carry many cushions, yet Vuillemin, who described the disease, does not believe the host-plant is affected to any serious degree. M. (Gnom.) coryli IJatsch. (Britain and U.S. America). Tlie black stromata are found in withered spots on the leaves of hazel (Con/Ius); as a rule, each stroma carries only one peri- theci
RMMCK6E9–. Fig. S5.—Claviceps purpurea. A, Selei-otium with seven stromata (cl). B, median longitudinal section through the upper part of a stroma, the flask-shaped perithecia (cp) are embedded in the head. C, Perithecium in longitudinal section (highly magnified)—fej/, hyphal tissue ; sh, cortical tissue of the stroma ; c/>, orifice of the perithecium. D, Isolated ascus ruptured, so that the thread-like asco- spores {sp) have begun to escape. (After Tulasne, from Sach's Lchrbvch.) hyphal tissue. In this condition they are introduced along with grain into bread, which when eaten acts as a powerful p
RM2CE0FJW–. Endothia parasitica and related species . ML* HERB. mus. PARIS !«•/ <,,, ^V ( Ex. herb. Ad. Brongaian. Anno 1843 ,. y Fig. 1.—Perithecia and Pycnidial Stromata of Endothia parasitica with Cankerson Castanea dentata. Fig. 2.-Cotype of Sphaeria gyrosa Schw. on Fagus. Specimen new in the Paris Museum sent to Brongniart by Schweinitz, showing Tulasnes labelMetogramma gyrosum and Schweinitzs autograph label. Bui. 380, U. S. Dept. of Agriculture. Plate III.
RMPG4BMC–. Diseases of plants induced by cryptogamic parasites : introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae . Plant diseases; Parasitic plants; Fungi. 224 ASCOMYCETES. rupture of the epidermis. Numerous leaves may be diseased and each carry many cushions, yet Vuillemin, who described the disease,^ does not believe the host-plant is affected to any serious degree. M. (Gnom.) coryli Batsch. (Britain and U.S. America). The black stromata are found in withered spots on the leaves of hazel {Corylus); as a rule, each stroma carries only one peri- thecium with a long bea
RMT1H0N0–Diseases of plants induced by Diseases of plants induced by cryptogamuc parasites; introduction to the study of pathogenic fungi, slime-fungi, bacteria, and algae. English ed. by William G. Smith diseasesofplants00tubeuoft Year: 1897 Fig. 111.âAglaospora ialeola. Portion of cortex with embedded stromata. fi, Corky layer; h, after removal of corky layer; c, section of stroma. { x .) (After Hartig.) :mr'='-'''-5 â r. Fig. 112.âSection of stroma oi Aglaospora. a, Boundary of stroma formed of dark brown fungus - mycelium; 6, sclerenchyma-strand of the cortex ; c, conidial cushion ; d, union
RMMCK5FT–. Flo. 115.—Ploicrightia mor- bosa. Ascus, with eight spores. Spores in gcrtnina- tion. Filamentous jNira- physes. (Cop. fruin Farlow.) I'll.. i.PloirngUli<i „ioibom. (v. Tiibciif jiliut.) injurious and widely distributed disease of various species of rrunas, especially plum and cherry. Tlie living branches ami twigs become coated with a crust of warty excrescences, and at the same time are more or less thickened and dcrniiui'd. A mycelium permeates the tissues of tliose swollen Iwii^s, and forms black crusty stromata in which the perithecia are embedded. The perithecia contain sim})le p
RM2CDCDDY–. Fungous diseases of plants, with chapters on physiology, culture methods and technique . 246 FUNGOUS DISEASES OF PLANTS Germination really consists in absorption of water, increase insize of the sclerotial mass, and the pushing into growth, some-times from many different points on the sclerotium, of compactmasses of hyphae, which develop into sporo-phores. These sporophores may be from onefourth to one inch in height, and they bear atthe summit head-shaped stromata within whichthe perithecia are differentiated. A cross sec-tion of the head-shaped stroma is shown inFig. 106, a. The sporophore
RMPG15NK–. Chestnut blight. Chestnut blight; Chestnut. Bui. 380, U. S. Depf. of Agriculturi Plate XV.. ENDOTHIA PARASITICA. VERTICAL SECTIONS OF STROMATA. X 49. Fig. 1 .—Showing a Young, Simple Pycnidial Cavity at the Base. Fig. 2.—In Which Neither Pycnidia Nor Perithecia Have Begun to Develop. Fig. 3.—With Irregular Chambered Pycnidia. All the above aie about the same age—four moulh.s after iuoculatiou.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble
RMT1HMFW–Diseases of plants induced by Diseases of plants induced by cryptogamic parasites; introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae diseasesofplants00tube Year: 1897 Fio. 130.—Sections of Majle leaves showing the upper epidermis ruistured by 1, Rhytisma acerinv.m; 2, RhytUma punctatum. Fig. 131.—Rhytisma symmetricum Milll. Two leaves of Salix purpurea with stromata. A, The upper side. B, The lower side. C, Longitudinal section through the same leaf, showing numerous apothecia on the upper side, fewer on the lower ; the shaded middle part represents leaf-tissue, t
RMMCK5J7–. Fia. So.—Ctaviceps jmrpurea. .4, Sclerotiuin with seven stromata (cl). H, nicdi;iii loiigitiidin;il section through the upper part of a stroma, the flask-shai>ed peritliecia (f//) are embedded in the head. C, Perithecium in longitudinal sectiim (highly magnified)—/<(/, hyphal tissue ; sA, cortical tissue of the stroma ; f/), orifice of the perithecium. D, Isolated a.scus ruptured, so that the thread-like a.sco- spores (*/j) have begun to escape. (After Tulasne, from Sach's Lehrlntch.) liy})hal tissue. In this conditimi they are introduced aliui'^ with grain into l)read, which wlien eat
RM2CE0CJC–. Endothia parasitica and related species . mm ENDOTHIA GYROSA. VERTICAL SECTIONSBEECH. X32. OF STROMATA ON Fiq. 1.—Showing Numerous Pycnidial Cavities andTwo Mature Perithecia.Fig. 2.—Showing Mature Pycnidia and Perithecia Side by Side. Except where otherwise indicated, the photomicrographs of stromata are from unstainedsections cut with a freezing microtome. Bui. 380, U. S. Dept. of Agriculture. Plate XII.. ENDOTHIA PARASITICA AND RELATED SPECIES. 25 capable of absorption, a power which it retains relatively perma-nently. In addition to its absorptive function the entostroma formsthe pseudop
![. Chestnut blight. Chestnut blight; Chestnut. ENDOTHIA GYROSA. VERTICAL SECTIONS OF STROMATA ON BEECH. X 32. FiQ. 1.—Showing Numerous Pycnidial Cavities andTwo Mature Perithecia. Fig. 2.—Showing Mature Pycnidia and Perithecia Side by Side. Except where otherwise indicate'l, the photomicrographs of strou]ata are from unytained sections cut with a freezing mlcrotouie. y. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. 1906-19 Stock Photo](https://c8.alamy.com/comp/PG15R7/chestnut-blight-chestnut-blight-chestnut-endothia-gyrosa-vertical-sections-of-stromata-on-beech-x-32-fiq-1showing-numerous-pycnidial-cavities-andtwo-mature-perithecia-fig-2showing-mature-pycnidia-and-perithecia-side-by-side-except-where-otherwise-indicatel-the-photomicrographs-of-strou-ata-are-from-unytained-sections-cut-with-a-freezing-mlcrotouie-y-please-note-that-these-images-are-extracted-from-scanned-page-images-that-may-have-been-digitally-enhanced-for-readability-coloration-and-appearance-of-these-illustrations-may-not-perfectly-resemble-the-original-work-1906-19-PG15R7.jpg ". Chestnut blight. Chestnut blight; Chestnut. ENDOTHIA GYROSA. VERTICAL SECTIONS OF STROMATA ON BEECH. X 32. FiQ. 1.—Showing Numerous Pycnidial Cavities andTwo Mature Perithecia. Fig. 2.—Showing Mature Pycnidia and Perithecia Side by Side. Except where otherwise indicate'l, the photomicrographs of strou]ata are from unytained sections cut with a freezing mlcrotouie. y. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. 1906-19 Stock Photo")
RMPG15R7–. Chestnut blight. Chestnut blight; Chestnut. ENDOTHIA GYROSA. VERTICAL SECTIONS OF STROMATA ON BEECH. X 32. FiQ. 1.—Showing Numerous Pycnidial Cavities andTwo Mature Perithecia. Fig. 2.—Showing Mature Pycnidia and Perithecia Side by Side. Except where otherwise indicate'l, the photomicrographs of strou]ata are from unytained sections cut with a freezing mlcrotouie. y. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. 1906-19
![Archive image from page 481 of Die pilze in morphologischer, physiologischer,. Die pilze in morphologischer, physiologischer, biologischer und systematischer beziehung diepilzeinmorpho00zopf Year: 1890 462 (B, 7G0.) l''g- '52. Xylaria Hypoxylon L. I Fragment] eines Baumstumpfes mit den hirschgeweih-artig verzweigten F'ruchtlagern </, welche in dem oberen helleren Theile die Conidien tragen; bei /' sieht man die die Schlauchfruchte tragenden, keuligen Stromata. Die Schlauchfrüchte sitzen in dem warzigen Theile der Lager. II Querschnitt durch eine Stroma mit Perithecien, ca. 4 fach. III Stock Photo](https://c8.alamy.com/comp/T3XF8T/archive-image-from-page-481-of-die-pilze-in-morphologischer-physiologischer-die-pilze-in-morphologischer-physiologischer-biologischer-und-systematischer-beziehung-diepilzeinmorpho00zopf-year-1890-462-b-7g0-lg-52-xylaria-hypoxylon-l-i-fragment-eines-baumstumpfes-mit-den-hirschgeweih-artig-verzweigten-fruchtlagern-lt-welche-in-dem-oberen-helleren-theile-die-conidien-tragen-bei-sieht-man-die-die-schlauchfruchte-tragenden-keuligen-stromata-die-schlauchfrchte-sitzen-in-dem-warzigen-theile-der-lager-ii-querschnitt-durch-eine-stroma-mit-perithecien-ca-4-fach-iii-T3XF8T.jpg "Archive image from page 481 of Die pilze in morphologischer, physiologischer,. Die pilze in morphologischer, physiologischer, biologischer und systematischer beziehung diepilzeinmorpho00zopf Year: 1890 462 (B, 7G0.) l''g- '52. Xylaria Hypoxylon L. I Fragment] eines Baumstumpfes mit den hirschgeweih-artig verzweigten F'ruchtlagern </, welche in dem oberen helleren Theile die Conidien tragen; bei /' sieht man die die Schlauchfruchte tragenden, keuligen Stromata. Die Schlauchfrüchte sitzen in dem warzigen Theile der Lager. II Querschnitt durch eine Stroma mit Perithecien, ca. 4 fach. III Stock Photo")
RMT3XF8T–Archive image from page 481 of Die pilze in morphologischer, physiologischer,. Die pilze in morphologischer, physiologischer, biologischer und systematischer beziehung diepilzeinmorpho00zopf Year: 1890 462 (B, 7G0.) l''g- '52. Xylaria Hypoxylon L. I Fragment] eines Baumstumpfes mit den hirschgeweih-artig verzweigten F'ruchtlagern </, welche in dem oberen helleren Theile die Conidien tragen; bei /' sieht man die die Schlauchfruchte tragenden, keuligen Stromata. Die Schlauchfrüchte sitzen in dem warzigen Theile der Lager. II Querschnitt durch eine Stroma mit Perithecien, ca. 4 fach. III
RMMCK6PH–. Fig. 130.—Sections of Maple leaves showing the upper epidermis ruptured by 1, Rhytisma acerinum ; 2, Rhytisnia puncto.ti'.m. Fig. 131.—Rhytisma symmetricuni Mull. Two leaves of Sa.lix purpurea with stromata. A, The upper side. B, The lower side. C, Longitudinal section through the same leaf, showing numerous apothecia on the upper side, fewer on the lower ; the shaded middle part represents leaf-tissue, the remainder is the light fungal stroma in which the darker apothecia are embedded, (v. Tubeuf del.) Rh. salicinum Pers. (Britain and U.S. America). Thickened black wrinkled spots appear fre
RM2CDCC1B–. Fungous diseases of plants, with chapters on physiology, culture methods and technique . 4 Fig. 165. Cylindrosporium Po.mi. (Photographs by Charles Brooks)rt, spot induced by inoculation of apple ; b, mycelium in agar breaks through it to expose spores and sporophores. The sporesare hyaline, from one to five celled, and variously curved and con-torted. They are from 2 to 2.5 /x in diameter and from 15 to 8o/x long.The chlamydospores and stromata are probably the agencies thatcarry the fungus over the winter. Under ordinary conditions ofpreparing separation cultures this fungus does not readi
![. Fungous diseases of plants : with chapters on physiology, culture methods and technique . Fungi in agriculture. ASCOMYCETES 263 hibernation is supposed to be effected in some cases by means of the tuberculate stromata, which retain their vitality and serve as minute sclerotia, germinating the following spring. The asci average 40 /u, long, and the spores measure about 15 X 3-4 fi. Control. Healthy plants only should be set, and all spotted leaves should be pinched off. A thorough spraying with Bor- a b deaux mixture may be given FlG- "5- Mycosphmrella Fragar/^e, before the flowers arepp Stock Photo](https://c8.alamy.com/comp/PG3YGR/fungous-diseases-of-plants-with-chapters-on-physiology-culture-methods-and-technique-fungi-in-agriculture-ascomycetes-263-hibernation-is-supposed-to-be-effected-in-some-cases-by-means-of-the-tuberculate-stromata-which-retain-their-vitality-and-serve-as-minute-sclerotia-germinating-the-following-spring-the-asci-average-40-u-long-and-the-spores-measure-about-15-x-3-4-fi-control-healthy-plants-only-should-be-set-and-all-spotted-leaves-should-be-pinched-off-a-thorough-spraying-with-bor-a-b-deaux-mixture-may-be-given-flg-quot5-mycosphmrella-fragare-before-the-flowers-arepp-PG3YGR.jpg ". Fungous diseases of plants : with chapters on physiology, culture methods and technique . Fungi in agriculture. ASCOMYCETES 263 hibernation is supposed to be effected in some cases by means of the tuberculate stromata, which retain their vitality and serve as minute sclerotia, germinating the following spring. The asci average 40 /u, long, and the spores measure about 15 X 3-4 fi. Control. Healthy plants only should be set, and all spotted leaves should be pinched off. A thorough spraying with Bor- a b deaux mixture may be given FlG- "5- Mycosphmrella Fragar/^e, before the flowers arepp Stock Photo")
RMPG3YGR–. Fungous diseases of plants : with chapters on physiology, culture methods and technique . Fungi in agriculture. ASCOMYCETES 263 hibernation is supposed to be effected in some cases by means of the tuberculate stromata, which retain their vitality and serve as minute sclerotia, germinating the following spring. The asci average 40 /u, long, and the spores measure about 15 X 3-4 fi. Control. Healthy plants only should be set, and all spotted leaves should be pinched off. A thorough spraying with Bor- a b deaux mixture may be given FlG- "5- Mycosphmrella Fragar/^e, before the flowers arepp
RMT0TDMN–Dr L Rabenhorst's Kryptogamen-Flora von Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz drlrabenhorstskr16rabe Year: 1901 Cytospora Terebinthi Bresadola. a. Der Pilz in natürlicher Grösse. h. Senkrechter Durchschnitt zweier Stromata, schwach vergrössert. c. Sporenträger, stark vcrgriissert. d. Sporen, sehr stark vergrössert. Nach Bresadola, Fungi Tridentini. IL t. U9. Cytospora Salicis (Corda) Eabenh. o. Der Pilz in natürlicher Grösse. h Ein Stroma von der Seite und c. von oben gesehen, schwach vergr. d. Senkrechter Durchschnitt eines Stroma, stark vergröss
RMMCR7Y6–. IT (B. 643.) Fig. 34. Verschiedene Formen des Stroma's, theils Conidien tragend, theils Schlauchfrüchte. I Conidien tragendes Stroma von Ustulina vulgaris, von oben gesehen, einem alten Borkestück aufsitzend, in nat. Gr. II vSchlauchfrucht tragendes grösseres Stroma derselben Species von oben gesehen. Die Punkte deuten die Stellen an, wo die Schlauchfrüchte sitzen. III halbkugelige bis niedergedrückt-kugelige Stromata von Hypoxyloii cocciiuitin Bull, einem Stück Buchenrindc aufsitzend, theils Conidien, theils Schlauchfrüchte tragend (nat. Gr.) nach Tulasne. IV Hirsch- geweihförmiges Stroma v
RM2CRRWRG–. A practical treatise on medical diagnosis for students and physicians . ly to be evident. Ross Method of Examining foe Parasites in a Large Dropof Blood. Spread a large drop of blood with a loop or slide, dry inair or gentle heat, add aqueous solution of eosin (Romano wsky) for ten tofifteen minutes (the eosin takes out haemoglobin, as specimen is not fixed,and stains stromata of corpuscles, parasites, and leucocytes); wash verygently, stain for a few seconds with methylene-blue (Romanowsky), washgently and examine. One has practically twenty times the amount ofblood by this method as by the
RMPG4BKF–. Diseases of plants induced by cryptogamic parasites : introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae . Plant diseases; Parasitic plants; Fungi. Fig. 111.—Aglaospora taleola. Portion of cortex with embedded stromata. a. Corky layer; b, after removal of corky layer; c, section of stroma. ( X y.) (After Hartig.). Fio. 112.—Section of stroma of j4^/aospora. a, Boundary of stroma formed of dark brown fungus - m ycelium; b, sclerenchyma-strand of the cortex ; c, conidial cushion ; d, union of necks of two perithecia. (After Hartig.). Please note that these images
RMT0DEFB–Dr L Rabenhorst's Kryptogamen-Flora von Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz drlrabenhorstskr16rabe Year: 1901 DotMopsis 517 Stjringa SyHnga 1512. D. Syriiigae (Karst). Syn. Dothiorella Syringae (Karst.) Sacc, Syll. III. p. 239. Dothiora Syringae Karst., Hedwigia 1884, p. 21. Stromata gedrängt, reihenweise angeordnet, oft fast zusammen- fliessend, durch die Rinde hervorbrechend, abgeplattet, von ver- schiedener Form, meistens eckig-gerundet oder eckig-verlängert, kurz, nackt, schwarz, trocken sehr hart, bis zu 1 mm im Durch- messer; Sporen eiförmi
RMMCK69T–. Fio. 130.—Sections of Maj^le leaves showing the upper epidermis ruistured by 1, Rhytisma acerinv.m; 2, RhytUma punctatum. Fig. 131.—Rhytisma symmetricum Milll. Two leaves of Salix purpurea with stromata. A, The upper side. B, The lower side. C, Longitudinal section through the same leaf, showing numerous apothecia on the upper side, fewer on the lower ; the shaded middle part represents leaf-tissue, the remainder is the light fungal stroma in which the darker apothecia are embedded, (v. Tubeuf del.) Rh. salicinum Pers. (Britain and U.S. America). Thickened black wrinkled spots appear frequen
RM2CE0F38–. Endothia parasitica and related species . ML* HERB. mus. PARIS !«•/ <,,, ^V ( Ex. herb. Ad. Brongaian. Anno 1843 ,. y Fig. 1.—Perithecia and Pycnidial Stromata of Endothia parasitica with Cankerson Castanea dentata. Fig. 2.-Cotype of Sphaeria gyrosa Schw. on Fagus. Specimen new in the Paris Museum sent to Brongniart by Schweinitz, showing Tulasnes labelMetogramma gyrosum and Schweinitzs autograph label. Bui. 380, U. S. Dept. of Agriculture. Plate III.. A Sheet from the Mounted Portion of Schweinitz-s Herbarium at the PHILADELPHIA ACADEMY OF SCIENCES, SHOWING SPECIMENS AS PREPARED AND Labe
![. The fungi which cause plant disease . Plant diseases; Fungi. 206 THE FUNGI WHICH CAUSE PLANT DISEASE Clanostachys theobromse "' probably as its conidial stages, is on fruits and stems of cacao. C. bahiensis Hem. reported in South America on cacao stems is really an Anthostomella; C. gigaspora Mass." is found on sugar-cane. Gibberella Saccardo (p. 198) Stromata tuberculate, more or less effused; perithecia cespitose or occasionally scattered on or surrounding the stroma; asci clavate, 8-spored; spores fusoid, 4 to many-celled, hyaline; conidial phase a Fusarium. Of the thirteen spec Stock Photo](https://c8.alamy.com/comp/PG4GB4/the-fungi-which-cause-plant-disease-plant-diseases-fungi-206-the-fungi-which-cause-plant-disease-clanostachys-theobromse-quot-probably-as-its-conidial-stages-is-on-fruits-and-stems-of-cacao-c-bahiensis-hem-reported-in-south-america-on-cacao-stems-is-really-an-anthostomella-c-gigaspora-massquot-is-found-on-sugar-cane-gibberella-saccardo-p-198-stromata-tuberculate-more-or-less-effused-perithecia-cespitose-or-occasionally-scattered-on-or-surrounding-the-stroma-asci-clavate-8-spored-spores-fusoid-4-to-many-celled-hyaline-conidial-phase-a-fusarium-of-the-thirteen-spec-PG4GB4.jpg ". The fungi which cause plant disease . Plant diseases; Fungi. 206 THE FUNGI WHICH CAUSE PLANT DISEASE Clanostachys theobromse "' probably as its conidial stages, is on fruits and stems of cacao. C. bahiensis Hem. reported in South America on cacao stems is really an Anthostomella; C. gigaspora Mass." is found on sugar-cane. Gibberella Saccardo (p. 198) Stromata tuberculate, more or less effused; perithecia cespitose or occasionally scattered on or surrounding the stroma; asci clavate, 8-spored; spores fusoid, 4 to many-celled, hyaline; conidial phase a Fusarium. Of the thirteen spec Stock Photo")
RMPG4GB4–. The fungi which cause plant disease . Plant diseases; Fungi. 206 THE FUNGI WHICH CAUSE PLANT DISEASE Clanostachys theobromse "' probably as its conidial stages, is on fruits and stems of cacao. C. bahiensis Hem. reported in South America on cacao stems is really an Anthostomella; C. gigaspora Mass." is found on sugar-cane. Gibberella Saccardo (p. 198) Stromata tuberculate, more or less effused; perithecia cespitose or occasionally scattered on or surrounding the stroma; asci clavate, 8-spored; spores fusoid, 4 to many-celled, hyaline; conidial phase a Fusarium. Of the thirteen spec
RMT0TP9A–Dr L Rabenhorst's Kryptogamen-Flora von Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz drlrabenhorstskr16rabe Year: 1901 Cytospora 579 Crataegus An Aesten von Crataegus, Pirus, Querciis, Sorbus im Gebiete; auch in Frankreich und Schweden. Cytospora raicrospora (Corda) Eabenh. a. Der Pilz in natürlicher Grösse. b. u. c. Zwei Stromata von oben gesehen, schwach vergrössert. d. Senkrechter Durchschnitt eines Stroma, stark vergrössert. e. Sporenträger und Sporen, sehr stark vergrössert. Nach Corda, Icon. IE. t. IV. fig. 69. 1674. C. Oxyacantliae Rabenh., Bot
RMMCR832–. Fig. 12. (B.621.) Clavkcps Purpuren Tui.. (Mutterkorn). A ein schwach vergrössertes Sclerotium r, aus welchem mehrere keulige Fruchtlager, Stromata, cl herausgekeimt sind, bestehend aus einem kopfförmigen und einem stielförmigen Theile. B Oberes Stuck eines solchen Frucht- lagers im Längsschnitt. In das peripherische Gewebe des kopf- förmigen Theils sind zahlreiche flaschenförmige Schlauchfrüchtchen (Pcrithecien t/) eingesenkt. C Stark vergrössertes Schlauch- fruchtchen cp, mit seinen keuligen Schläuchen im Inneren, zu beiden Seiten Theile des angrenzenden peripherischen dichten entwickelnde
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