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. A handbook of cryptogamic botany. Cryptogams. ASCOMYCETES 377 He will find there also more information on the development of the sporocarps (both discocarpous and pyrenocarpous) of the types. Fig. 311.—Claviccps purpurea. Tul. A, sclerote which has produced seven stromata.' 'B, upper portion of a stroma in longitudinal section, cp^ peritheces. C, longitudinal section of perithece. cp, ostiole : sh^ cortical tissue ; hy, inner tissue of stroma. Z", ascus isolated. sp, ascospores issuing. (^, natural size, B slightly, C and D highly magnified.) (After Tulasne.) quoted than it is possible Stock Photo
RMRE3CKC–. A handbook of cryptogamic botany. Cryptogams. ASCOMYCETES 377 He will find there also more information on the development of the sporocarps (both discocarpous and pyrenocarpous) of the types. Fig. 311.—Claviccps purpurea. Tul. A, sclerote which has produced seven stromata.' 'B, upper portion of a stroma in longitudinal section, cp^ peritheces. C, longitudinal section of perithece. cp, ostiole : sh^ cortical tissue ; hy, inner tissue of stroma. Z", ascus isolated. sp, ascospores issuing. (^, natural size, B slightly, C and D highly magnified.) (After Tulasne.) quoted than it is possible
. A popular history of British lichens [microform] : comprising an account of their structure, reproduction, uses, distribution, and classification. Lichens; Lichens. immersed, row neck, thallus.* and â¬t8os, en Endo- in having cent tha- it resem- diflfers in ostiole, squamu- w black- ) a con- Ostioles Lawers, y. Its !013). gather). 3,1855.. ^â :x7-1dPitfih1ith rii..,eTi', tj. 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 Stock Photo
RMREP2KF–. A popular history of British lichens [microform] : comprising an account of their structure, reproduction, uses, distribution, and classification. Lichens; Lichens. immersed, row neck, thallus.* and â¬t8os, en Endo- in having cent tha- it resem- diflfers in ostiole, squamu- w black- ) a con- Ostioles Lawers, y. Its !013). gather). 3,1855.. ^â :x7-1dPitfih1ith rii..,eTi', tj. 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
. Brigham Young University science bulletin. Biology -- Periodicals. MlRIDAE OF THE NEVADA TEST SlTE surface. Membrane pallid, shaded with fuscous, somewhat darker behind the areoles, veins white. Mesosternum and pleura brownish black, ostiolar peritreme pallid, but fuscous in the ostiole. Legs pallid, femora with several small and large brownish black spots, dorsal aspect with several larger spots; tibiae pallid, black spines with black spot at base of each; tarsi brownish black. Venter pale to fuscous, a mod- erately broad black lateral band or line. Genital segment and claspers distinctive. Stock Photo
RMRH3WNP–. Brigham Young University science bulletin. Biology -- Periodicals. MlRIDAE OF THE NEVADA TEST SlTE surface. Membrane pallid, shaded with fuscous, somewhat darker behind the areoles, veins white. Mesosternum and pleura brownish black, ostiolar peritreme pallid, but fuscous in the ostiole. Legs pallid, femora with several small and large brownish black spots, dorsal aspect with several larger spots; tibiae pallid, black spines with black spot at base of each; tarsi brownish black. Venter pale to fuscous, a mod- erately broad black lateral band or line. Genital segment and claspers distinctive.
. Hawaiian Fungi. Fungi. 66 Bemice P. Bishop Museum—Bulletin On Gouldia coriacea. Kauai: Waimea canyon pipe trail, June 15, 1921, no. 454 and no. 455 (type). The genus presents certain characteristics of both the Polystomellaceae and the Myriangiaceae. The radiate character and the arrangement of. Figure; 13.—Pluriporus gouldiae: a, cross section of the perithecia showing the fungus to be superficial, the asci solitary, and the whole ascogonium to be cov- ered ; b, showing radiate character of the ascogonium; c, asci and spores; d, spores seen through the ostiole; e, showing structure of the o Stock Photo
RMRPY269–. Hawaiian Fungi. Fungi. 66 Bemice P. Bishop Museum—Bulletin On Gouldia coriacea. Kauai: Waimea canyon pipe trail, June 15, 1921, no. 454 and no. 455 (type). The genus presents certain characteristics of both the Polystomellaceae and the Myriangiaceae. The radiate character and the arrangement of. Figure; 13.—Pluriporus gouldiae: a, cross section of the perithecia showing the fungus to be superficial, the asci solitary, and the whole ascogonium to be cov- ered ; b, showing radiate character of the ascogonium; c, asci and spores; d, spores seen through the ostiole; e, showing structure of the o
. The fungi which cause plant disease . Plant diseases; Fungi. 282 THE FUNGI WHICH CAUSE PLANT DISEASE Calosphseria. Tulasne (p. 281) Perithecia astromate, free or on the inner bark, scattered or clustered, ostiole more or less elongate; asci clavate, fasciculate; spores small, cylindric, curved, hyaline, continuous; paraphyses longer than the asci, stout lanceolate, evanescent. About thirty-five species chiefly saprophytes. C. princeps Tul. Perithecia on the inner bark in orbicular or elliptic groups, gen- erally densely crowded, globose, smooth and shining, necks long. Fig. 210.—Crypto- spor Stock Photo
RMRDDARM–. The fungi which cause plant disease . Plant diseases; Fungi. 282 THE FUNGI WHICH CAUSE PLANT DISEASE Calosphseria. Tulasne (p. 281) Perithecia astromate, free or on the inner bark, scattered or clustered, ostiole more or less elongate; asci clavate, fasciculate; spores small, cylindric, curved, hyaline, continuous; paraphyses longer than the asci, stout lanceolate, evanescent. About thirty-five species chiefly saprophytes. C. princeps Tul. Perithecia on the inner bark in orbicular or elliptic groups, gen- erally densely crowded, globose, smooth and shining, necks long. Fig. 210.—Crypto- spor
. The classification of lower organisms. Biology. 138 The Classification of Lower Organis?ns Order Pyrcnomycetales Bessey in Univ. Nebraska Studies 7: 295 (1907). Orders Hypocreales, Sphaeriales, and Dothideales Gaumann Vergl. Morph. Pilze 222, 253, 284 (1926). Ascomycetes producing, from a normal mycelium, perithecia, i. e., small fruits of the shape of a small globe or flask opening through a single pore, the ostiole. Sphaeria, which Persoon and Fries listed first under the names which they respec- tively used, is the evident standard genus; but this genus has become broken up and lost in th Stock Photo
RMREK8PK–. The classification of lower organisms. Biology. 138 The Classification of Lower Organis?ns Order Pyrcnomycetales Bessey in Univ. Nebraska Studies 7: 295 (1907). Orders Hypocreales, Sphaeriales, and Dothideales Gaumann Vergl. Morph. Pilze 222, 253, 284 (1926). Ascomycetes producing, from a normal mycelium, perithecia, i. e., small fruits of the shape of a small globe or flask opening through a single pore, the ostiole. Sphaeria, which Persoon and Fries listed first under the names which they respec- tively used, is the evident standard genus; but this genus has become broken up and lost in th
. Cryptogamic plants of the USSR. (Flora sporovykh rastenii SSSR). Plants. 244 Aeciospores globoid or ellipsoid, 21—23 X 18 —25/u; outer walls colorless, densely verruculose, with smooth areas; contents orange-yellow (according to Fischer). Uredia hypophyllous on red spots, scattered or in groups, orange-yellow, covered by hemispherical peridia; peridial cells becoming gradually higher toward the ostiole and their inner walls thicker; ostiolar cells considerably thickened, echinulate at their upper outer margin. Urediospores ellipsoid or clavate, 28 —42 X 14 —ISju; outer wall thin, sparingly e Stock Photo
RMRE58HN–. Cryptogamic plants of the USSR. (Flora sporovykh rastenii SSSR). Plants. 244 Aeciospores globoid or ellipsoid, 21—23 X 18 —25/u; outer walls colorless, densely verruculose, with smooth areas; contents orange-yellow (according to Fischer). Uredia hypophyllous on red spots, scattered or in groups, orange-yellow, covered by hemispherical peridia; peridial cells becoming gradually higher toward the ostiole and their inner walls thicker; ostiolar cells considerably thickened, echinulate at their upper outer margin. Urediospores ellipsoid or clavate, 28 —42 X 14 —ISju; outer wall thin, sparingly e
. The fungi which cause plant disease . Plant diseases; Fungi. 228 THE FUNGI WHICH CAUSE PLANT DISEASE Trichosphaeria Fuckel (p. 226) Perithecia usually free, globose, woody or carbonous, hairy, ostiole flat or papillate; asci-cylindric, 8-spored; spores 1 to 2-celled, hyaline; paraphyses present. There are some forty species, mainly saprophytes. T. sacchari Mass.^"- ^^ Perithecia broadly ovate, dark-brown, beset with brown hairs; spores elongate-ellipsoid, 1-celled; the conidial forms are various. Fig. 162.—^Trichosphseria. E, habit sketch; G, conidial stage. After Lindau, Winter and Bre Stock Photo
RMRDDBEF–. The fungi which cause plant disease . Plant diseases; Fungi. 228 THE FUNGI WHICH CAUSE PLANT DISEASE Trichosphaeria Fuckel (p. 226) Perithecia usually free, globose, woody or carbonous, hairy, ostiole flat or papillate; asci-cylindric, 8-spored; spores 1 to 2-celled, hyaline; paraphyses present. There are some forty species, mainly saprophytes. T. sacchari Mass.^"- ^^ Perithecia broadly ovate, dark-brown, beset with brown hairs; spores elongate-ellipsoid, 1-celled; the conidial forms are various. Fig. 162.—^Trichosphseria. E, habit sketch; G, conidial stage. After Lindau, Winter and Bre
. The fungi which cause plant disease . Plant diseases; Fungi. 212 THE FUNGI WHICH CAUSE PLANT DISEASE usually knot-like head; perithecia closely scattered, sunken in the stroma with only the ostiole protruding, flask-shaped, the walls scarcely distinguishable from the stroma; asci cylindric, il^2«* e. Fig. 152.—C. purpurea. D, Sphacelia stage; E, germinated sclerotia; G, sec- tion of stroma; H, section of a perithecium; J, ascus with spores. After Tulasne. 8-spored; spores hyaline, continuous. Some twelve or fifteen species are recorded all affecting the ovaries of the Gramineae. C. purpurea Stock Photo
RMRDDBHY–. The fungi which cause plant disease . Plant diseases; Fungi. 212 THE FUNGI WHICH CAUSE PLANT DISEASE usually knot-like head; perithecia closely scattered, sunken in the stroma with only the ostiole protruding, flask-shaped, the walls scarcely distinguishable from the stroma; asci cylindric, il^2«* e. Fig. 152.—C. purpurea. D, Sphacelia stage; E, germinated sclerotia; G, sec- tion of stroma; H, section of a perithecium; J, ascus with spores. After Tulasne. 8-spored; spores hyaline, continuous. Some twelve or fifteen species are recorded all affecting the ovaries of the Gramineae. C. purpurea
. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 485 P. tabifica Prill is perhaps identical with Myeosphserella tabifica, though Potebnia" questions this. See p. 247. P. maculiformis (Pers.) Sacc. on chestnut =Mycosph£erella maculiformis. See p. 249. P. soUtaria E. & E.^-« Perithecia minute, immersed, the ostiole only erumpent; conidia broadly elliptic, 8-10 x 5-6 m, surrounded by a mucilaginous sheath. It is the cause of apple fruit blotch and of cankers and leaf spots. On the fruit it was first reported by Clinton ^ in 1902. The frui Stock Photo
RMRDE5DW–. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 485 P. tabifica Prill is perhaps identical with Myeosphserella tabifica, though Potebnia" questions this. See p. 247. P. maculiformis (Pers.) Sacc. on chestnut =Mycosph£erella maculiformis. See p. 249. P. soUtaria E. & E.^-« Perithecia minute, immersed, the ostiole only erumpent; conidia broadly elliptic, 8-10 x 5-6 m, surrounded by a mucilaginous sheath. It is the cause of apple fruit blotch and of cankers and leaf spots. On the fruit it was first reported by Clinton ^ in 1902. The frui
. Chestnut blight. Chestnut blight; Chestnut. Fig. 84.â Cross section (diagrammatic) of a mature pycnidium under the cork layer; ostiole not shown. After Heald ,««:â¢..â .â â ;:,.;.:.â ;â¢.â .â â¢â â â â. Fig. 85.â Cross section (diagrammatic) of a stroma, showing mature perithecia. After Heald. 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.. 1906-1960 Stock Photo
RMRDFE19–. Chestnut blight. Chestnut blight; Chestnut. Fig. 84.â Cross section (diagrammatic) of a mature pycnidium under the cork layer; ostiole not shown. After Heald ,««:â¢..â .â â ;:,.;.:.â ;â¢.â .â â¢â â â â. Fig. 85.â Cross section (diagrammatic) of a stroma, showing mature perithecia. After Heald. 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.. 1906-1960
. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 201 M. stysanophora Mat. is said to be an ascigerous stage of Dematophora glonierata, cf. p. 230, so injurious to the grape. Nectria Fries (p. 197) Stroma absent or tubercular, fleshy, bright colored; perithecia single, or gregarious, on or in the stroma or among cottony hyphae, globose or ovate, walls fleshy, yellow, red or brown, smooth or hairy; ostiole papillate or not; asci cylindric or clavate, 8-spored; spores elongate blunt or pointed, hyaline, rarely red, 2-celled, form- ing conidia in t Stock Photo
RMRDDBMH–. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 201 M. stysanophora Mat. is said to be an ascigerous stage of Dematophora glonierata, cf. p. 230, so injurious to the grape. Nectria Fries (p. 197) Stroma absent or tubercular, fleshy, bright colored; perithecia single, or gregarious, on or in the stroma or among cottony hyphae, globose or ovate, walls fleshy, yellow, red or brown, smooth or hairy; ostiole papillate or not; asci cylindric or clavate, 8-spored; spores elongate blunt or pointed, hyaline, rarely red, 2-celled, form- ing conidia in t
. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 233 Hedgcock >" who recognizes several species as discoloring lumber. C. pilifera (Fr.) Wint." has been described in detail by von Schrenk as the cause of a blue color in pine wood."' Cyanospora Heald & Wolf (p. 232) Perithecia solitary or in clusters of two or three on stromatic nodules, immersed, horizontal; ostiole lateral, neck short; asci. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - colorat Stock Photo
RMRDDBBF–. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 233 Hedgcock >" who recognizes several species as discoloring lumber. C. pilifera (Fr.) Wint." has been described in detail by von Schrenk as the cause of a blue color in pine wood."' Cyanospora Heald & Wolf (p. 232) Perithecia solitary or in clusters of two or three on stromatic nodules, immersed, horizontal; ostiole lateral, neck short; asci. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - colorat
. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 229 Acanthostigma de Notarjs (p. 226) Perithecia free, globose or ovate, very small; walls leathery, black, beset with stiff bristles, ostiole short; asci usually cylindric, rarely ovate, 8-spored; spores spindle-shaped, multicellular by cross walls, hyaline; paraphyses few or none. There are some thirty species, mostly saprophytes. A. parasiticum (Hart.) Sacc.'*'"''* Perithecia globose, minute, with rigid divergent hairs, 0.1-0.25 mm. in diameter; asci 50 n long, early disappearing; spores Stock Photo
RMRDDBE9–. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 229 Acanthostigma de Notarjs (p. 226) Perithecia free, globose or ovate, very small; walls leathery, black, beset with stiff bristles, ostiole short; asci usually cylindric, rarely ovate, 8-spored; spores spindle-shaped, multicellular by cross walls, hyaline; paraphyses few or none. There are some thirty species, mostly saprophytes. A. parasiticum (Hart.) Sacc.'*'"''* Perithecia globose, minute, with rigid divergent hairs, 0.1-0.25 mm. in diameter; asci 50 n long, early disappearing; spores
. Botanische Jahrbu?cher fu?r Systematik, Pflanzengeschichte und Pflanzengeographie. Botany; Plantengeografie; Paleobotanie; Taxonomie; Pflanzen. üie deutschen Pertusariaceen mit besonderer l)erücksiclilij>iini^ ilirer Soredienbildiing. 60'^ messer; an den Spitzen in den Isidien ist die Gonidienschicht am dicksten. Apothecien in nachbarlich zusammenfließenden Warzen, von einer Größe bis zu 4 zu 5 mm und mit 40 Fruchtöffnungen; Ostiole punkt- förmig, allseitig von Gonidien umgeben; Scheibe wenig eingesenkt, schwarz, bis 1 mm breit; Paraphysen verzweigt, zart; Sporen breit ge- säumt, zu 2, se Stock Photo
RMRH9XN0–. Botanische Jahrbu?cher fu?r Systematik, Pflanzengeschichte und Pflanzengeographie. Botany; Plantengeografie; Paleobotanie; Taxonomie; Pflanzen. üie deutschen Pertusariaceen mit besonderer l)erücksiclilij>iini^ ilirer Soredienbildiing. 60'^ messer; an den Spitzen in den Isidien ist die Gonidienschicht am dicksten. Apothecien in nachbarlich zusammenfließenden Warzen, von einer Größe bis zu 4 zu 5 mm und mit 40 Fruchtöffnungen; Ostiole punkt- förmig, allseitig von Gonidien umgeben; Scheibe wenig eingesenkt, schwarz, bis 1 mm breit; Paraphysen verzweigt, zart; Sporen breit ge- säumt, zu 2, se
. The fungi which cause plant disease . Plant diseases; Fungi. 204 THE FUNGI WHICH CAUSE PLANT DISEASE Germ tubes from ascospores or conidia enter the cortex and develop a rich mycelimn in the sieve tubes and soft host. This advances most rapidly during the dormant period of the bast. White or yellow stromata the size of a pin- head appear and bear numerous conidia. Later come the red perithecia whose ascospores ripen in winter or spring. N. ribis (Tode) Rab. Fig. 144.—n. ipo- Cespitose, Stroma compact; perithecia sub- of perithecia. globose, smooth; ostiole papillate; asci subclavate, After H Stock Photo
RMRDDBM1–. The fungi which cause plant disease . Plant diseases; Fungi. 204 THE FUNGI WHICH CAUSE PLANT DISEASE Germ tubes from ascospores or conidia enter the cortex and develop a rich mycelimn in the sieve tubes and soft host. This advances most rapidly during the dormant period of the bast. White or yellow stromata the size of a pin- head appear and bear numerous conidia. Later come the red perithecia whose ascospores ripen in winter or spring. N. ribis (Tode) Rab. Fig. 144.—n. ipo- Cespitose, Stroma compact; perithecia sub- of perithecia. globose, smooth; ostiole papillate; asci subclavate, After H
. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 259 L. tazicola R. K. on Taxus canadensis; L. vagabunda Sacc. spots linden branches. Its conidial form is perhaps Phoma tilisB.^'' Ophiobolus Riess (p. 252) Perithecia scattered, subglobose, submembranous, covered or suberumpent, ostiole papillate or elongate; asci cylindric; spores fusiform, hyaline or yellowish.. Fig. 190. —Ophio- bolus. B, ascus; C, spore. After Lindau and Win- ter. Fig. 191.— Pleospora from passion-fruit. The spores are just beginning to ger- minate, the end cells start- ing Stock Photo
RMRDDAYX–. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 259 L. tazicola R. K. on Taxus canadensis; L. vagabunda Sacc. spots linden branches. Its conidial form is perhaps Phoma tilisB.^'' Ophiobolus Riess (p. 252) Perithecia scattered, subglobose, submembranous, covered or suberumpent, ostiole papillate or elongate; asci cylindric; spores fusiform, hyaline or yellowish.. Fig. 190. —Ophio- bolus. B, ascus; C, spore. After Lindau and Win- ter. Fig. 191.— Pleospora from passion-fruit. The spores are just beginning to ger- minate, the end cells start- ing
. Bothalia. Botany. 71 67. Teratosphaería fibrillosa Syd. Ann. Myc. X (1912), p. 39; XV (1917), p. 631. On leaves of Protect,grandiflora, Bains Kloof, near Wellington, 26.2.11, Doidge [1217] : 21.2.12, Doidge [2059]; 5.4.12, Stoneman [2232]. Loculi ellipsoid or pyriform, peiithecium-like, 150-220 ;x diameter, sunken under the epidermis, arranged in centrifugal, irregularly branched, radiating lines, to a diameter of 1 cm. Locular wall consisting of concentric laters of delicate strornatic hyphae. Apex of loculus penetrating the epidermis but not protruding. No true ostiole. Vegetative stroma m Stock Photo
RMRH93ED–. Bothalia. Botany. 71 67. Teratosphaería fibrillosa Syd. Ann. Myc. X (1912), p. 39; XV (1917), p. 631. On leaves of Protect,grandiflora, Bains Kloof, near Wellington, 26.2.11, Doidge [1217] : 21.2.12, Doidge [2059]; 5.4.12, Stoneman [2232]. Loculi ellipsoid or pyriform, peiithecium-like, 150-220 ;x diameter, sunken under the epidermis, arranged in centrifugal, irregularly branched, radiating lines, to a diameter of 1 cm. Locular wall consisting of concentric laters of delicate strornatic hyphae. Apex of loculus penetrating the epidermis but not protruding. No true ostiole. Vegetative stroma m
. Bulletin of the British Museum (Natural History). Botany; Botany. lOjLLm Fig. 33A-B, Vouauxiomyces ramalinae (IMI 194098); A, conidiogenous cells; B, conidia. C-D, V. santessonii (UPS—holotype); C, conidiogenous cells; D, conidia. E, V. truncatus (Savoie, Santesson, UPS), conidia. Conidiomata pycnidial, immersed at first but becoming erumpent, to about half exposed at maturity, arising singly, scattered or sometimes in a ring in young infections, black, ostiolate, 55—75 //m diam; pycnidial wall mainly 3-5 cells thick, thickest in the exposed part adjacent to the ostiole, 5-12/im thick, dark Stock Photo
RMRGJH26–. Bulletin of the British Museum (Natural History). Botany; Botany. lOjLLm Fig. 33A-B, Vouauxiomyces ramalinae (IMI 194098); A, conidiogenous cells; B, conidia. C-D, V. santessonii (UPS—holotype); C, conidiogenous cells; D, conidia. E, V. truncatus (Savoie, Santesson, UPS), conidia. Conidiomata pycnidial, immersed at first but becoming erumpent, to about half exposed at maturity, arising singly, scattered or sometimes in a ring in young infections, black, ostiolate, 55—75 //m diam; pycnidial wall mainly 3-5 cells thick, thickest in the exposed part adjacent to the ostiole, 5-12/im thick, dark
. Lichens. Lichens. 196 REPRODUCTION In size they vary from such minute bodies as those in Parmelia exasperata which measure 25-35 A'' i" diam., up to nearly i mm. in Lobaria laetevirens. As a rule, they range from about 150/i to 400 yu, across the widest part, and are generally rather longer than broad. They open above by a small slit or pore called the ostiole about 20 yii to 100 /x wide which is frequently dark in colour. In one in- stance, in Icmadophila aeruginosa, Nien- burg' has described a spermogonium with a wide opening, the spermatiophores being massed in palisade formation alo Stock Photo
RMRDX2YP–. Lichens. Lichens. 196 REPRODUCTION In size they vary from such minute bodies as those in Parmelia exasperata which measure 25-35 A'' i" diam., up to nearly i mm. in Lobaria laetevirens. As a rule, they range from about 150/i to 400 yu, across the widest part, and are generally rather longer than broad. They open above by a small slit or pore called the ostiole about 20 yii to 100 /x wide which is frequently dark in colour. In one in- stance, in Icmadophila aeruginosa, Nien- burg' has described a spermogonium with a wide opening, the spermatiophores being massed in palisade formation alo
. Comparative morphology of Fungi. Fungi. Fig. 173.—Ascotricha chartarum. 1. Perithecium with setae about the ostiole. 2. Conidiophore of Dicyma form. 3. Branch of conidiophore. 4. Conidiophore of Sporotri- chum form. (1 X 105; 2 X 60; 3, 4 X 980; after Boulanger, 1897.) disappears above in a broom-like, lighter-colored and finally hyaline fertile part (Lindfors, 1920). In Ascotricha chartarum (C. Zopfii) on the rind of Piscidia erythrina (Boulanger, 1897), two imperfect forms have been discovered, one a Sporotrichum type with smooth, hyaline conidia (Fig. 173, 4) and a Dicyma type with echinu Stock Photo
RMREERH7–. Comparative morphology of Fungi. Fungi. Fig. 173.—Ascotricha chartarum. 1. Perithecium with setae about the ostiole. 2. Conidiophore of Dicyma form. 3. Branch of conidiophore. 4. Conidiophore of Sporotri- chum form. (1 X 105; 2 X 60; 3, 4 X 980; after Boulanger, 1897.) disappears above in a broom-like, lighter-colored and finally hyaline fertile part (Lindfors, 1920). In Ascotricha chartarum (C. Zopfii) on the rind of Piscidia erythrina (Boulanger, 1897), two imperfect forms have been discovered, one a Sporotrichum type with smooth, hyaline conidia (Fig. 173, 4) and a Dicyma type with echinu
. Bulletin of the British Museum (Natural History). Botany; Botany. % Mm *3? t.-G''.. Fig. 10 Karsteniomyces peltigerae (H-KARST 2041—holotype). A, Pycnidia on the host thallus (x25). B, As A showing the wide ostioles (x 50). C, Vertical section of pycnidium (x 250). D, Vertical section of pycnidial wall showing the thick-walled almost sclerenchymatous cells (x 1020). the ostiole, mainly 75-200//m diam but exceptionally larger, appearing nectriaceous, opening by an irregular schizogenously formed ostiole; pycnidial wall very variable in thick- ness, mainly 20-50 jum thick, composed of two la Stock Photo
RMRGJHJJ–. Bulletin of the British Museum (Natural History). Botany; Botany. % Mm *3? t.-G''.. Fig. 10 Karsteniomyces peltigerae (H-KARST 2041—holotype). A, Pycnidia on the host thallus (x25). B, As A showing the wide ostioles (x 50). C, Vertical section of pycnidium (x 250). D, Vertical section of pycnidial wall showing the thick-walled almost sclerenchymatous cells (x 1020). the ostiole, mainly 75-200//m diam but exceptionally larger, appearing nectriaceous, opening by an irregular schizogenously formed ostiole; pycnidial wall very variable in thick- ness, mainly 20-50 jum thick, composed of two la
. Anatomie et physiologie végétales à l'usage des étudiants en sciences naturelles des universités, des élèves à l'Institut agronomique, des écoles d'agriculture, etc. Plant anatomy; Plant physiology. F J^O-] Fia. 1203. Fig. 1202. -^ I, cellule épidermique du cotylLMloii du Marronnier, avec ses expansions du membrane (de face). — , formation des stomates du Lin ; «, la cellule mère, séparée, par deux cloisons, d'une cellule épidermique ; c, les deux cellules stomatiques, encore 'sans ostiole; 6, cellules épidermi- ques ordinaires (gr. : 250). —III, nervation du grand cotylédon de l'Oran- ger Stock Photo
RMRN8G0H–. Anatomie et physiologie végétales à l'usage des étudiants en sciences naturelles des universités, des élèves à l'Institut agronomique, des écoles d'agriculture, etc. Plant anatomy; Plant physiology. F J^O-] Fia. 1203. Fig. 1202. -^ I, cellule épidermique du cotylLMloii du Marronnier, avec ses expansions du membrane (de face). — , formation des stomates du Lin ; «, la cellule mère, séparée, par deux cloisons, d'une cellule épidermique ; c, les deux cellules stomatiques, encore 'sans ostiole; 6, cellules épidermi- ques ordinaires (gr. : 250). —III, nervation du grand cotylédon de l'Oran- ger
. Anatomie et physiologie végétales à l'usage des étudiants en sciences naturelles des universités, des élèves à l'Institut agronomique, des écoles d'agriculture, etc. Plant anatomy; Plant physiology. F J^O-] Fia. 1203. Fig. 1202. -^ I, cellule épidermique du cotylLMloii du Marronnier, avec ses expansions du membrane (de face). — , formation des stomates du Lin ; «, la cellule mère, séparée, par deux cloisons, d'une cellule épidermique ; c, les deux cellules stomatiques, encore 'sans ostiole; 6, cellules épidermi- ques ordinaires (gr. : 250). —III, nervation du grand cotylédon de l'Oran- ger Stock Photo
RMRN8FYX–. Anatomie et physiologie végétales à l'usage des étudiants en sciences naturelles des universités, des élèves à l'Institut agronomique, des écoles d'agriculture, etc. Plant anatomy; Plant physiology. F J^O-] Fia. 1203. Fig. 1202. -^ I, cellule épidermique du cotylLMloii du Marronnier, avec ses expansions du membrane (de face). — , formation des stomates du Lin ; «, la cellule mère, séparée, par deux cloisons, d'une cellule épidermique ; c, les deux cellules stomatiques, encore 'sans ostiole; 6, cellules épidermi- ques ordinaires (gr. : 250). —III, nervation du grand cotylédon de l'Oran- ger
. Hawaiian Fungi. Fungi. Stevens—Hawaiian Fungi 85 61. ENTHALLOPYCNIDIUM Stevens n. gen. Thallus that of the Trichopeltaceae. Pycnidia only known. Pycnio- spores 1-celled, linear, hyaline. No. 124. Enthallopycnidium gouldiae Stevens n. sp. Thalli 1-3 mm. in diameter, almost circular, consisting of a complex plate result- ing from the coalescence of branch thalli; cells usually short (6/^). Pycnidia small (40a*) to large (90a*). Ostiole as in Trichopeltis. Spores linear, hyaline, i-celled, 7-7.5 by 111. (See fig. 18, a.) On Gouldia sp. Hawaii: Hamakua, upper ditch trail, July 31, no. 1073a. In Stock Photo
RMRPY1RP–. Hawaiian Fungi. Fungi. Stevens—Hawaiian Fungi 85 61. ENTHALLOPYCNIDIUM Stevens n. gen. Thallus that of the Trichopeltaceae. Pycnidia only known. Pycnio- spores 1-celled, linear, hyaline. No. 124. Enthallopycnidium gouldiae Stevens n. sp. Thalli 1-3 mm. in diameter, almost circular, consisting of a complex plate result- ing from the coalescence of branch thalli; cells usually short (6/^). Pycnidia small (40a*) to large (90a*). Ostiole as in Trichopeltis. Spores linear, hyaline, i-celled, 7-7.5 by 111. (See fig. 18, a.) On Gouldia sp. Hawaii: Hamakua, upper ditch trail, July 31, no. 1073a. In
. Hawaiian Fungi. Fungi. 92 Bernice P. Bishop Museum—Bulletin thalli, ostiolate, setose around the ostiole, 46-92 m in diameter. Perithecial setae few, about 30/* long, acute, black. Asci and spores not seen with certainty; spores probably 2-celled, dark, 11 by 3.5 A*. On Rubtis hawaiiensis. Maui: Olinda pipeline, Sept. 5, no. n38; Pogue's ditch trail, Sept. 6, no. 1155.. Figure:22.—Anomothallus erraticus (No.'1155) on Rubus, showing cell arrangements and a setose perithecium (/>). This very remarkable fungus was found only on the one species of Rubus, though other species of Rubus in the n Stock Photo
RMRPY1CN–. Hawaiian Fungi. Fungi. 92 Bernice P. Bishop Museum—Bulletin thalli, ostiolate, setose around the ostiole, 46-92 m in diameter. Perithecial setae few, about 30/* long, acute, black. Asci and spores not seen with certainty; spores probably 2-celled, dark, 11 by 3.5 A*. On Rubtis hawaiiensis. Maui: Olinda pipeline, Sept. 5, no. n38; Pogue's ditch trail, Sept. 6, no. 1155.. Figure:22.—Anomothallus erraticus (No.'1155) on Rubus, showing cell arrangements and a setose perithecium (/>). This very remarkable fungus was found only on the one species of Rubus, though other species of Rubus in the n
. The fungi which cause plant disease . Plant diseases; Fungi. 278 THE FUNGI WHICH CAUSE PLANT DISEASE Spores muriform Stroma e£Fused Spores hyaline 8. Thyridella. Spores colored 9. Thyridium. Stroma none or pulvinate 10. Fenestella. Valsa Fries (p. 277) Perithecia on a more or less definite stroma, immersed, the ostiole erumpent, black, firm; asci globose to cylindric, often long-pedunculate; spores 1-celled, rarely 2-celled, cylindric, rounded, hya- line or light-brown; pa- raphyses none. V. leucostoma (Pers.). Fr, 12, 229, 280 Fig. 207 -Valsa. A, habit sketch; B, perithecia; C asci. After T Stock Photo
RMRDDATB–. The fungi which cause plant disease . Plant diseases; Fungi. 278 THE FUNGI WHICH CAUSE PLANT DISEASE Spores muriform Stroma e£Fused Spores hyaline 8. Thyridella. Spores colored 9. Thyridium. Stroma none or pulvinate 10. Fenestella. Valsa Fries (p. 277) Perithecia on a more or less definite stroma, immersed, the ostiole erumpent, black, firm; asci globose to cylindric, often long-pedunculate; spores 1-celled, rarely 2-celled, cylindric, rounded, hya- line or light-brown; pa- raphyses none. V. leucostoma (Pers.). Fr, 12, 229, 280 Fig. 207 -Valsa. A, habit sketch; B, perithecia; C asci. After T
. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 277 globose, with a short, conical ostiole, walls black, carbonous to leathery; asci cylindric, 8-spored; spores elliptic, continuous, brown, imappendaged; paraphyses usually present. Over one hundred species, chiefly sapro- phytes. A. sullae Montem. occurs as the cause of a leaf spot on sulla.^** Fig. 206.—a. des- A. bohiensis (Hmp.) Speg. is on cacao; Z^g,I'^^ut^^S; A. destruens Sh. on cranberry; spores; 11, germi- Dating spore. After A. coffese Desm. on coffee.™* ^^ Shear. Valsaceae (p. 223) S Stock Photo
RMRDDAW2–. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 277 globose, with a short, conical ostiole, walls black, carbonous to leathery; asci cylindric, 8-spored; spores elliptic, continuous, brown, imappendaged; paraphyses usually present. Over one hundred species, chiefly sapro- phytes. A. sullae Montem. occurs as the cause of a leaf spot on sulla.^** Fig. 206.—a. des- A. bohiensis (Hmp.) Speg. is on cacao; Z^g,I'^^ut^^S; A. destruens Sh. on cranberry; spores; 11, germi- Dating spore. After A. coffese Desm. on coffee.™* ^^ Shear. Valsaceae (p. 223) S
. Hawaiian Fungi. Fungi. 88 Bernice P. Bishop Museum—Bulletin 63. MICROTHYRIELLA v. Hohn. Fragments zur Mykologie no. 6. Sitz. d. kais. Ak. d. wiss. Wien. Math.-nat. KL Ab. i, vol. 118, p. 371, 1909 No. 126. Microthyriella hibisci Stevens n. sp. Fungus epiphyllus. Perithecia numerous, roughly concentrically arranged, irregu- larly circular, usually 140-170^ in diameter, with a distinct ostiole about 20 p in diameter, which has a slightly dark border. Covering membrane brown, pseudo- parenchymatous, composed of irregularly angular, mostly 5-sided cells, about 3-5 ^ large. Edge irregular; center Stock Photo
RMRPY1P9–. Hawaiian Fungi. Fungi. 88 Bernice P. Bishop Museum—Bulletin 63. MICROTHYRIELLA v. Hohn. Fragments zur Mykologie no. 6. Sitz. d. kais. Ak. d. wiss. Wien. Math.-nat. KL Ab. i, vol. 118, p. 371, 1909 No. 126. Microthyriella hibisci Stevens n. sp. Fungus epiphyllus. Perithecia numerous, roughly concentrically arranged, irregu- larly circular, usually 140-170^ in diameter, with a distinct ostiole about 20 p in diameter, which has a slightly dark border. Covering membrane brown, pseudo- parenchymatous, composed of irregularly angular, mostly 5-sided cells, about 3-5 ^ large. Edge irregular; center
. Bulletin trimestriel de la Société mycologique de France. Mycology; Fungi; Fungi. PE I, UBTULINA PYRENOCRATA- 53 rectis, utrinque rotundatia, guttulatis, primum hyalinis, demum fuscescentibus, 10-22 = o-7. Ad corticem in silva, S. Leopoldo (Rick); ad corticem Leguminosœ cujusdam (vulgo ; minjoleiro) in silva, Piraci- caba (G. Bondar).. 1. Coupe transversale d'un slroma d'Ustulina pyrenocrala, montrant les périlhèces et les différentes couches qui le constituent. — 2. Coupe schématique d'un périlhèce : 0, ostiole ; P, paroi du périthèce ; N, noyau central noir de la columelle, recouvert d'une Stock Photo
RMRG9A7F–. Bulletin trimestriel de la Société mycologique de France. Mycology; Fungi; Fungi. PE I, UBTULINA PYRENOCRATA- 53 rectis, utrinque rotundatia, guttulatis, primum hyalinis, demum fuscescentibus, 10-22 = o-7. Ad corticem in silva, S. Leopoldo (Rick); ad corticem Leguminosœ cujusdam (vulgo ; minjoleiro) in silva, Piraci- caba (G. Bondar).. 1. Coupe transversale d'un slroma d'Ustulina pyrenocrala, montrant les périlhèces et les différentes couches qui le constituent. — 2. Coupe schématique d'un périlhèce : 0, ostiole ; P, paroi du périthèce ; N, noyau central noir de la columelle, recouvert d'une
. The fungi which cause plant disease . Plant diseases; Fungi. 202 THE FUNGI WHXH CAUSE PLANT DISEASE The majority of economic species belong to the first subgenus. Eunectria (p. 201) N. cinnabarina (Tode) Fr. Stroma erumpent, tubercular, at first pinkish or yellowish-red, darker with age, 1-2 mm. high and broad; perithecia almost glo- bose, the ostiole rather prominent, becoming slightly collapsed, at first bright cinnabar-red, darker with age, granular, 375-400 fi in diameter; asci clavate, 50-90 x 7-12 n; spores mostly 2-seriate, elliptic elongate, ends obtuse, slightly curved, 12-20 x 4r-6 Stock Photo
RMRDDBM9–. The fungi which cause plant disease . Plant diseases; Fungi. 202 THE FUNGI WHXH CAUSE PLANT DISEASE The majority of economic species belong to the first subgenus. Eunectria (p. 201) N. cinnabarina (Tode) Fr. Stroma erumpent, tubercular, at first pinkish or yellowish-red, darker with age, 1-2 mm. high and broad; perithecia almost glo- bose, the ostiole rather prominent, becoming slightly collapsed, at first bright cinnabar-red, darker with age, granular, 375-400 fi in diameter; asci clavate, 50-90 x 7-12 n; spores mostly 2-seriate, elliptic elongate, ends obtuse, slightly curved, 12-20 x 4r-6
. Hawaiian Fungi. Fungi. Stevens—Hawaiian Fungi 99 No. 143. Lageniforma bambusae Plunkett n. sp. Perithecia without a stroma, borne singly or in groups of two or three, sunken in the host tissue and connecting to the outside by a long rostrum, globose or usually slightly flattened at the bottom, black, coriaceous, ostiole protruding, 320-420 by 560-670^ perithecial wall 20-25 thick; asci thin-walled, minute, clavate, stalked, 8-spored, 18-20 by 4-5^; spores allantoid, hyaline, i-celled, 4-5 by m. (See figs. 25, 26, a.) Saprophytic on stems of Bambusa. Kauai: Kalalau trail, June 21, no. 489.. o Stock Photo
RMRPY1A7–. Hawaiian Fungi. Fungi. Stevens—Hawaiian Fungi 99 No. 143. Lageniforma bambusae Plunkett n. sp. Perithecia without a stroma, borne singly or in groups of two or three, sunken in the host tissue and connecting to the outside by a long rostrum, globose or usually slightly flattened at the bottom, black, coriaceous, ostiole protruding, 320-420 by 560-670^ perithecial wall 20-25 thick; asci thin-walled, minute, clavate, stalked, 8-spored, 18-20 by 4-5^; spores allantoid, hyaline, i-celled, 4-5 by m. (See figs. 25, 26, a.) Saprophytic on stems of Bambusa. Kauai: Kalalau trail, June 21, no. 489.. o
. The fungi which cause plant disease . Plant diseases; Fungi. Fig. 186.—Didymella. A, ascus; B, hymenium of a pycnidium. After Brefeld. Fig. 187. — Didyipo- sphxria. C, an as- cus; D, con idio- phore and conidia. After Brefeld. Fig. 188. —Dflo- p h 1 a gramiiiis. J, ascus; K, spore. After Winter. D. sphaeroides (Pers.) Fr. is on Populus leaves in Europe. D. catalpse.'^^ Perithecia very small, scattered, embedded in the tissue of the leaf, pyriform to nearly spherical, varying in width from 48-104 n and in depth from 64^140 ii; ostiole broadly conical, erumpent; asci 8-spored, cylindrical, usu Stock Photo
RMRDDB0W–. The fungi which cause plant disease . Plant diseases; Fungi. Fig. 186.—Didymella. A, ascus; B, hymenium of a pycnidium. After Brefeld. Fig. 187. — Didyipo- sphxria. C, an as- cus; D, con idio- phore and conidia. After Brefeld. Fig. 188. —Dflo- p h 1 a gramiiiis. J, ascus; K, spore. After Winter. D. sphaeroides (Pers.) Fr. is on Populus leaves in Europe. D. catalpse.'^^ Perithecia very small, scattered, embedded in the tissue of the leaf, pyriform to nearly spherical, varying in width from 48-104 n and in depth from 64^140 ii; ostiole broadly conical, erumpent; asci 8-spored, cylindrical, usu
. The fungi which cause plant disease . Plant diseases; Fungi. 246 THE FUNGI WHICH CAUSE PLANT DISEASE. FiQ. 180.—M. sentina, Septona stage. Portion of a section through a pear leaf spot, showing e, e, epidermis; p, pali- sade cells sp, spongy parenchyma; o, S. piricola pycnidium, giving out spores, b. After Longyear. M. sentina (Fr.) Schr. Perithecia, 80-110 /i; on dead spots of leaves, the long ostiole erumpent; asci clavate, 60-75 x 11-13 fi, colorless; spores fusiform, curved or straight, 26-33 x Conidia (=Septoria piricola) borne in pycnidia which are similar in size and form to the perit Stock Photo
RMRDDB89–. The fungi which cause plant disease . Plant diseases; Fungi. 246 THE FUNGI WHICH CAUSE PLANT DISEASE. FiQ. 180.—M. sentina, Septona stage. Portion of a section through a pear leaf spot, showing e, e, epidermis; p, pali- sade cells sp, spongy parenchyma; o, S. piricola pycnidium, giving out spores, b. After Longyear. M. sentina (Fr.) Schr. Perithecia, 80-110 /i; on dead spots of leaves, the long ostiole erumpent; asci clavate, 60-75 x 11-13 fi, colorless; spores fusiform, curved or straight, 26-33 x Conidia (=Septoria piricola) borne in pycnidia which are similar in size and form to the perit
. Annales des sciences naturelles. Plants; Biology. 170 FRANÇOIS PELLEGRIN. -?a' Fi g. 9 Coupe schématique du iKJcud du Cytisus nigricans, — a, poils ; c, épiderme ; e, endoderme ; g, bourgeon; p, fibres; b, bois ; l, b'ber; m, moelle. Po/7.ç et slomates. — Los poils sont, commo chez les Genêts, formés de trois cellules superposées en une lile, les deux infé- férieures aplaties, la supérieure allongée. On ne trouve de poils bifiuxfués, à deux bras, que chez les Cyt'isii.s (jlcdwesrens et nigrkans. Les stomates n'offrent pas do différenciation spéciale ; quelquefois leur ostiole s'ouvre au fond Stock Photo
RMRMXMRR–. Annales des sciences naturelles. Plants; Biology. 170 FRANÇOIS PELLEGRIN. -?a' Fi g. 9 Coupe schématique du iKJcud du Cytisus nigricans, — a, poils ; c, épiderme ; e, endoderme ; g, bourgeon; p, fibres; b, bois ; l, b'ber; m, moelle. Po/7.ç et slomates. — Los poils sont, commo chez les Genêts, formés de trois cellules superposées en une lile, les deux infé- férieures aplaties, la supérieure allongée. On ne trouve de poils bifiuxfués, à deux bras, que chez les Cyt'isii.s (jlcdwesrens et nigrkans. Les stomates n'offrent pas do différenciation spéciale ; quelquefois leur ostiole s'ouvre au fond
. Annales des Sciences Naturelles Botaniques. 268 SAUVACiKAl'. reste de la feuille. Observés sur des feuilles fraîches, leur ostiole est arrondi, toujours ouvert, et la chambre sous - stomalique est remplie par une bulle d'air. Presque toujours aussi, dans celte plante et dans celles que j'aurai à citer dans la suite, les deux cellules stoma- tiques renferment de très fins granules amylacés qui bleuissent par l'iode. Mais très souvenl, et surtout à leur extrémité, les feuilles sont plus ou moins recouvertes par des diatomées ou de petites algues verles qui mas- quent en partie les stomates, et Stock Photo
RMRMX7XY–. Annales des Sciences Naturelles Botaniques. 268 SAUVACiKAl'. reste de la feuille. Observés sur des feuilles fraîches, leur ostiole est arrondi, toujours ouvert, et la chambre sous - stomalique est remplie par une bulle d'air. Presque toujours aussi, dans celte plante et dans celles que j'aurai à citer dans la suite, les deux cellules stoma- tiques renferment de très fins granules amylacés qui bleuissent par l'iode. Mais très souvenl, et surtout à leur extrémité, les feuilles sont plus ou moins recouvertes par des diatomées ou de petites algues verles qui mas- quent en partie les stomates, et
. Annales des Sciences Naturelles Botaniques. RECHERCHES SUR LES EUPIIORBI/VCÉES. 215 nombreux canalicules (B). Elles ont donc bien les carac- tères des cellules pierreuses. L'épiderme supérieur ne porte pas de stomates. Les cellules de lepiderme inférieur sont toutes sclérifiées et de forme sphérique ou ovoïde. Leurs parois sont tellement épaissies que c'est à peine si elles laissent, au centre de la cellule, une étroite cavité se ramifiant, ici encore, en canali- cules nombreux (fig. 41, C et D). Quand aux stomates, ils sont situés dans la profondeur de l'épiderme. Leur ostiole s'ouvre dans Stock Photo
RMRMX7GH–. Annales des Sciences Naturelles Botaniques. RECHERCHES SUR LES EUPIIORBI/VCÉES. 215 nombreux canalicules (B). Elles ont donc bien les carac- tères des cellules pierreuses. L'épiderme supérieur ne porte pas de stomates. Les cellules de lepiderme inférieur sont toutes sclérifiées et de forme sphérique ou ovoïde. Leurs parois sont tellement épaissies que c'est à peine si elles laissent, au centre de la cellule, une étroite cavité se ramifiant, ici encore, en canali- cules nombreux (fig. 41, C et D). Quand aux stomates, ils sont situés dans la profondeur de l'épiderme. Leur ostiole s'ouvre dans
. Annales de la Société entomologique de France. Insects; Entomology. Les Zoocécidics du yord de VAfrique. 161 blablos aux précédentes, do 2 à 4 mill. de diamètre, se rencontrant l)arfois sur les jeunes rameaux ou les fleurs (lig. 316-321); cavité in- terne irrégulière, à ostiole garni de poils, le plus souvent situé sur la face supérieure du limbe ((ig. 322); cette cavité est littéralement bour- rée d'Ériophyides de 150 à 210 i. de longueur environ, mêlés parfois à dos larves de Cécidomyie. Algérie, Saint-Denis-du-Sig, 14 avril 1900 et Saida, 18 avril 1900 : llouard, 1901, p. 42. n" 9 ; Stock Photo
RMRN0Y1K–. Annales de la Société entomologique de France. Insects; Entomology. Les Zoocécidics du yord de VAfrique. 161 blablos aux précédentes, do 2 à 4 mill. de diamètre, se rencontrant l)arfois sur les jeunes rameaux ou les fleurs (lig. 316-321); cavité in- terne irrégulière, à ostiole garni de poils, le plus souvent situé sur la face supérieure du limbe ((ig. 322); cette cavité est littéralement bour- rée d'Ériophyides de 150 à 210 i. de longueur environ, mêlés parfois à dos larves de Cécidomyie. Algérie, Saint-Denis-du-Sig, 14 avril 1900 et Saida, 18 avril 1900 : llouard, 1901, p. 42. n" 9 ;
. Bulletin de la Socit botanique de Genve. Plants; Plants -- Switzerland. 276 BULLETIN DE LA SOCIÃTà BOTANIQUE DE GENEVE (32) OSMUNDACÃES OSMUNDA BEGALIS L. Vu de face, le stomate d'Osmunda regalis présente un aspect différent de celui que l'on est habitué de voir chez les Fougères. En etîet, les cellules de bordure, larges et trapues, sont bien appliquées l'une contre l'autre, laissant au centre une ostiole dont la longueur n'atteint que le tiers de celle du stomate. Les cellules épidermiques sont toutes à contour fortement ondulé; les cellules annexes sont caractérisées par la gran Stock Photo
RMRGR16J–. Bulletin de la Socit botanique de Genve. Plants; Plants -- Switzerland. 276 BULLETIN DE LA SOCIÃTà BOTANIQUE DE GENEVE (32) OSMUNDACÃES OSMUNDA BEGALIS L. Vu de face, le stomate d'Osmunda regalis présente un aspect différent de celui que l'on est habitué de voir chez les Fougères. En etîet, les cellules de bordure, larges et trapues, sont bien appliquées l'une contre l'autre, laissant au centre une ostiole dont la longueur n'atteint que le tiers de celle du stomate. Les cellules épidermiques sont toutes à contour fortement ondulé; les cellules annexes sont caractérisées par la gran
. Hawaiian Fungi. Fungi. Stevens—Hawaiian Fungi 141 spots gray or white, 0.5-2 mm. in diameter; margin raised, pycnidia epi- phyllous, 35-80[x in diameter; conidia few-septate. 124. RHABDOSPORA Mont, in Fl. Alg. Bot. p. 592. Emend. Sacc. Mich. vol. 2, p. 26, 1880 No. 301. Rhabdospora pittospori Stevens & Young n. sp. Pycnidia numerous, black, 400-800 /* in diameter, ostiole large. Conidia abundant, filiform, hyaline, straight or curved, obtuse, 1 to few-septate, 12-22 by 21*, conidio- phores 15-18 M long. On dead capsules of Pittosporum sp. collected by C. N. Forbes, no. 21. Hawaii: Kona, Stock Photo
RMRPY176–. Hawaiian Fungi. Fungi. Stevens—Hawaiian Fungi 141 spots gray or white, 0.5-2 mm. in diameter; margin raised, pycnidia epi- phyllous, 35-80[x in diameter; conidia few-septate. 124. RHABDOSPORA Mont, in Fl. Alg. Bot. p. 592. Emend. Sacc. Mich. vol. 2, p. 26, 1880 No. 301. Rhabdospora pittospori Stevens & Young n. sp. Pycnidia numerous, black, 400-800 /* in diameter, ostiole large. Conidia abundant, filiform, hyaline, straight or curved, obtuse, 1 to few-septate, 12-22 by 21*, conidio- phores 15-18 M long. On dead capsules of Pittosporum sp. collected by C. N. Forbes, no. 21. Hawaii: Kona,
. Bulletin trimestriel de la Société mycologique de France. Mycology; Fungi; Fungi. i26 J.-E. CHENANTAIS. Obs. â Sauf la disposition hystériforme de son ostiole, cette cuiùeuse forme a le même habitus que Neopeckia Carpini. Comme, dans cette espèce, les lèvres primitivement closes se retirent, laissant apercevoir la couche profonde de revêtement du périthèce qui flnit par se crevasser et disparaît laissant béant l'intérieur du fruit. L'ostiole apparaît fréquemment seul sur le subiculum et rappelle alors absolument GJoniella bj''ssiseda. La plupart des périthèces émergent jusq Stock Photo
RMRG99AH–. Bulletin trimestriel de la Société mycologique de France. Mycology; Fungi; Fungi. i26 J.-E. CHENANTAIS. Obs. â Sauf la disposition hystériforme de son ostiole, cette cuiùeuse forme a le même habitus que Neopeckia Carpini. Comme, dans cette espèce, les lèvres primitivement closes se retirent, laissant apercevoir la couche profonde de revêtement du périthèce qui flnit par se crevasser et disparaît laissant béant l'intérieur du fruit. L'ostiole apparaît fréquemment seul sur le subiculum et rappelle alors absolument GJoniella bj''ssiseda. La plupart des périthèces émergent jusq
. Botanique cryptogamique, ou Histoire des familles naturelles des plantes infrieures. 64 CRYPTOGAMES. les avons tous rejetés à l'exception d'un seul, celui de conceptaele, que M. Léveillé applique à cette forme spéciale qui caractérise les Sphssronema et les Sphseria. Cette expression de con- ceptacle, dont nous nous sommes déjà servis à l'occasion des Fucus, indique donc un récep- tacle tellement évasé que ces bords se sont rapprochés et forment une cavité ouverte seule- ment par une fente ou un ostiole. Pour justifier ce rejet, il nous suffira de rappeler que dans les fleurs des Stock Photo
RMRHA5NY–. Botanique cryptogamique, ou Histoire des familles naturelles des plantes infrieures. 64 CRYPTOGAMES. les avons tous rejetés à l'exception d'un seul, celui de conceptaele, que M. Léveillé applique à cette forme spéciale qui caractérise les Sphssronema et les Sphseria. Cette expression de con- ceptacle, dont nous nous sommes déjà servis à l'occasion des Fucus, indique donc un récep- tacle tellement évasé que ces bords se sont rapprochés et forment une cavité ouverte seule- ment par une fente ou un ostiole. Pour justifier ce rejet, il nous suffira de rappeler que dans les fleurs des
. Contributions à l'étude de la classe des Nymphéinées. Nymphaeaceae. 08 PARTIE SPÃCIALE présence de ces glandes a été pour la première fois vaguement signalée par Raciborski^ qui ne donne pas les formes diffé- rentes qu'elles peuvent affecter. Ces glandes, très caduques, laissent en tombant la cellule de pied qui a été prise par TrécuF et de Bary'' pour un ostiole qui s'ouvre à la pointe des aiguil- lons^ bouche quon peut considérer, suivant Trécul, comme l'orifice d'un organe d absorption! Quand la glande terminale .â â ni^.. FiG 41. I et II. â Victorin retjin Ldl, Emerj^ences Stock Photo
RMRE9K4Y–. Contributions à l'étude de la classe des Nymphéinées. Nymphaeaceae. 08 PARTIE SPÃCIALE présence de ces glandes a été pour la première fois vaguement signalée par Raciborski^ qui ne donne pas les formes diffé- rentes qu'elles peuvent affecter. Ces glandes, très caduques, laissent en tombant la cellule de pied qui a été prise par TrécuF et de Bary'' pour un ostiole qui s'ouvre à la pointe des aiguil- lons^ bouche quon peut considérer, suivant Trécul, comme l'orifice d'un organe d absorption! Quand la glande terminale .â â ni^.. FiG 41. I et II. â Victorin retjin Ldl, Emerj^ences
. Bulletin trimestriel de la Société mycologique de France. Mycology; Fungi; Fungi. 24 M. ET M"*'' FERNAND MORBAÃ. Les périthèces de VEpicj'matia aphthosÅ sont entièrement superficiels ; leur forme est globuleuse, mais souvent ils sont aplatis jusqu'à être hémisphériques. Leur plus grande di- mension ne dépasse pas 150 a. Ils s'ouvrent au sommet par. Fig. 1.â Coupe d'un périlhèce. Gr: 800. une très petite ostiole. non portée par une papille, dépourvue de poils, comme les périthèces eux-mêmes. En coupe (fig. 1), on reconnaît que l'enveloppe de ces pé- rithèces est doubl Stock Photo
RMRG99D8–. Bulletin trimestriel de la Société mycologique de France. Mycology; Fungi; Fungi. 24 M. ET M"*'' FERNAND MORBAÃ. Les périthèces de VEpicj'matia aphthosÅ sont entièrement superficiels ; leur forme est globuleuse, mais souvent ils sont aplatis jusqu'à être hémisphériques. Leur plus grande di- mension ne dépasse pas 150 a. Ils s'ouvrent au sommet par. Fig. 1.â Coupe d'un périlhèce. Gr: 800. une très petite ostiole. non portée par une papille, dépourvue de poils, comme les périthèces eux-mêmes. En coupe (fig. 1), on reconnaît que l'enveloppe de ces pé- rithèces est doubl
. Bulletin de la Société zoologique de France. Zoology. e-. -. A. Fig. 1. â Larve de Cyclopodia Grtefli Karsch. x env. 10. â A. Face ventrale mon- tiant la segmentation. â B. Système respiratoire vu de la face dorsale : a, stigmate antérieur ; b, stigmate postérieur ; c, tronc trachéen d'anastomose ; d, poche à air ; e, commissure transversale ; f, tronc trachéen latéral. (fig. 1, B) ; chacun de ceux-ci se présente comme un ostiole circulaire simple. Les deux stigmates antérieurs sont situés au tiers postérieur de la longueur du corps et sont écartés l'un de l'autre à peu près d Stock Photo
RMRGPRDD–. Bulletin de la Société zoologique de France. Zoology. e-. -. A. Fig. 1. â Larve de Cyclopodia Grtefli Karsch. x env. 10. â A. Face ventrale mon- tiant la segmentation. â B. Système respiratoire vu de la face dorsale : a, stigmate antérieur ; b, stigmate postérieur ; c, tronc trachéen d'anastomose ; d, poche à air ; e, commissure transversale ; f, tronc trachéen latéral. (fig. 1, B) ; chacun de ceux-ci se présente comme un ostiole circulaire simple. Les deux stigmates antérieurs sont situés au tiers postérieur de la longueur du corps et sont écartés l'un de l'autre à peu près d
. Discovery reports. Discovery (Ship); Scientific expeditions; Ocean; Antarctica; Falkland Islands. 14 DISCOVERY REPORTS patches, o-2 0-3 mm. diam., ± hemispherical, black, matt (shining only where rubbed), with minutely scabrid surface like the thallus; solitary or two to three crowded together and then often concrescent. Ostiole indistinct, not papillate or impressed. Excipulum brown to dark brown in section, entire. Paraphyses dissolved, indicated by faint striae in the mucilage. Asci cylindric-clavate, 30-40 x 8-12/i, thin-walled. Spores ellipsoid, 8 in ascus, 8-11 x 4-5-5-5 fi. With iodin Stock Photo
RMRCDBET–. Discovery reports. Discovery (Ship); Scientific expeditions; Ocean; Antarctica; Falkland Islands. 14 DISCOVERY REPORTS patches, o-2 0-3 mm. diam., ± hemispherical, black, matt (shining only where rubbed), with minutely scabrid surface like the thallus; solitary or two to three crowded together and then often concrescent. Ostiole indistinct, not papillate or impressed. Excipulum brown to dark brown in section, entire. Paraphyses dissolved, indicated by faint striae in the mucilage. Asci cylindric-clavate, 30-40 x 8-12/i, thin-walled. Spores ellipsoid, 8 in ascus, 8-11 x 4-5-5-5 fi. With iodin
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