Cytospora Stock Photos and Images

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Cytospora Stock Photos and Images

Cytospora canker Cytospora leucostoma exudation from diseased peach tree trunk Stock Photo

RMAW285N–Cytospora canker Cytospora leucostoma exudation from diseased peach tree trunk

Almond tree oozing sap from bark due to fungal disease, weakened by Hot, dry conditions, Spain. Stock Photo

RF2H1DW66–Almond tree oozing sap from bark due to fungal disease, weakened by Hot, dry conditions, Spain.

RF2R6W75W–Gummosis or bark bleeding

Serious bleeding of gum (gummosis) from the trunk of a scale insect infested Apricot 'Tomcot' fruit tree. Stock Photo

RFR6AYG3–Serious bleeding of gum (gummosis) from the trunk of a scale insect infested Apricot 'Tomcot' fruit tree.

Chicago local tree fungus dripping from a cherry tree branch in the backyard garden, gummosis, Cytospora canker. Stock Photo

RF2BX74KJ–Chicago local tree fungus dripping from a cherry tree branch in the backyard garden, gummosis, Cytospora canker.

Wood disease, problematic infection of tree bark Stock Photo

RF2BCT3XN–Wood disease, problematic infection of tree bark

Tree sap, resin, exuding from a Cherry Tree, Prunus, resembling the shape of an elephants trunk, gummosis Stock Photo

RF2RWF10H–Tree sap, resin, exuding from a Cherry Tree, Prunus, resembling the shape of an elephants trunk, gummosis

tall willow trees and blue skyline in fordwich park,sturry,canterbury,kent,uk november 2021 Stock Photo

RM2H5F6WP–tall willow trees and blue skyline in fordwich park,sturry,canterbury,kent,uk november 2021

Annual report of the Maine Agricultural Experiment Station . l Endomyces decay Z^l Rhizopus decay 368 Other apple rots ; 368 Diseases of the Wood 368 Canker and Twig-blight 368 Sphaeropsis canker 372 Bitter-rot canker Z7Z Myxosporium canker • Z72) Coryneum and Phoma cankers 374 Cytospora canker 374 Blight (bacterial) canker 374 Crown gall • 375 Wood destroying fungi 2>7^ Orchard Sanitation, Sprays and Spraying 377 Preparation of Sprays 379 Bordeaux mixture • 3^0 Lime-sulphur sprays • > •. 384 When to Spray and What to Use 39© How TO Spray 391 fcr -- ^^ ^ » A H y >» % ^-^ 1 O -— -^ 1 Stock Photo

RM2ANJ4C7–Annual report of the Maine Agricultural Experiment Station . l Endomyces decay Z^l Rhizopus decay 368 Other apple rots ; 368 Diseases of the Wood 368 Canker and Twig-blight 368 Sphaeropsis canker 372 Bitter-rot canker Z7Z Myxosporium canker • Z72) Coryneum and Phoma cankers 374 Cytospora canker 374 Blight (bacterial) canker 374 Crown gall • 375 Wood destroying fungi 2>7^ Orchard Sanitation, Sprays and Spraying 377 Preparation of Sprays 379 Bordeaux mixture • 3^0 Lime-sulphur sprays • > •. 384 When to Spray and What to Use 39© How TO Spray 391 fcr -- ^^ ^ » A H y >» % ^-^ 1 O -— -^ 1

. 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 Stock Photo

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

. Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz . Cytospora Sophorae Bresadola. a. Der Pilz in natiirliolior Grösse. h. Senkrechter Üurclischnitt eines Struma, stark vergrössert. c. Sporenträger, sehr stark vergrössert. d. Sporen, noch stärker vergrössert. Nach Bresadola, Fungi Tridentini. II. t. 149. Stock Photo

RMMAAH9J–. Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz . Cytospora Sophorae Bresadola. a. Der Pilz in natiirliolior Grösse. h. Senkrechter Üurclischnitt eines Struma, stark vergrössert. c. Sporenträger, sehr stark vergrössert. d. Sporen, noch stärker vergrössert. Nach Bresadola, Fungi Tridentini. II. t. 149.

Diseases of forest and shade Diseases of forest and shade trees, ornamental and miscellaneous plants in the United States in 1921 diseasesofforest23mart Year: 1922 43 Fic,. 54- Geographical distribution of poplar canker caused by Cytospora chnsosperna (FcrsO Fr. in tiie U. S., as reported to Hie Plant Disease Survey. European canker caused by Dothichiza populea Sacc. Connecticut - more prevalent â¢J-.an in previous years. Minnesota - weather relations were dry and hot; disease cormon. Illinois (RBM) .nthracncse caused by ?!arssonia pcpuli (Lib.) Sacc. ''ev; York rev; Jersey - abundant. Stock Photo

RMT1H7CR–Diseases of forest and shade Diseases of forest and shade trees, ornamental and miscellaneous plants in the United States in 1921 diseasesofforest23mart Year: 1922 43 Fic,. 54- Geographical distribution of poplar canker caused by Cytospora chnsosperna (FcrsO Fr. in tiie U. S., as reported to Hie Plant Disease Survey. European canker caused by Dothichiza populea Sacc. Connecticut - more prevalent â¢J-.an in previous years. Minnesota - weather relations were dry and hot; disease cormon. Illinois (RBM) .nthracncse caused by ?!arssonia pcpuli (Lib.) Sacc. ''ev; York rev; Jersey - abundant.

Cytospora canker (Cytospora leucostoma) canker disease exudation from a peach tree trunk, USA, September Stock Photo

RM2C4X4JK–Cytospora canker (Cytospora leucostoma) canker disease exudation from a peach tree trunk, USA, September

RF2H1DW51–Almond tree oozing sap from bark due to fungal disease, weakened by Hot, dry conditions, Spain.

Plum tree oozing sap from bark due to fungal disease, weakened by Hot, dry conditions, Spain. Stock Photo

RFKH5CH7–Plum tree oozing sap from bark due to fungal disease, weakened by Hot, dry conditions, Spain.

RFR6AYJH–Serious bleeding of gum (gummosis) from the trunk of a scale insect infested Apricot 'Tomcot' fruit tree.

RF2BX74MD–Chicago local tree fungus dripping from a cherry tree branch in the backyard garden, gummosis, Cytospora canker.

RF2BCRWTM–Wood disease, problematic infection of tree bark

RF2BX7599–Chicago local tree fungus dripping from a cherry tree branch in the backyard garden, gummosis, Cytospora canker.

RM2H5FK8H–tall willow trees and blue skyline in fordwich park,sturry,canterbury,kent,uk november 2021

Bulletin . s échantillons reçu en avril 1902, a présentéen décembre de la même année, sur les écorces mortes,de nombreux conceptacles dun Cytospora à stroma verruci-iorme, pouvant atteindre 1500 p de diamètre sur G à 700 dehaut, à membrane noire, à loges nombreuses, disposées sur uneseule épaisseur, souvrant dans un ostiole central de 50 y dediamètre, et portant des stérigmates très grêles de 10 p de longterminés par de fines spermaties hyalines, un peu courbées,de 5 5x1 f» de large. i Ces spermaties nont pas germé ; étant donné quelles ontapparu dans les mêmes places que le Sphseropsis, on pe Stock Photo

RM2AX4013–Bulletin . s échantillons reçu en avril 1902, a présentéen décembre de la même année, sur les écorces mortes,de nombreux conceptacles dun Cytospora à stroma verruci-iorme, pouvant atteindre 1500 p de diamètre sur G à 700 dehaut, à membrane noire, à loges nombreuses, disposées sur uneseule épaisseur, souvrant dans un ostiole central de 50 y dediamètre, et portant des stérigmates très grêles de 10 p de longterminés par de fines spermaties hyalines, un peu courbées,de 5 5x1 f» de large. i Ces spermaties nont pas germé ; étant donné quelles ontapparu dans les mêmes places que le Sphseropsis, on pe

. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 209 yellowish, cylindrical, slightly curved, discharged in twisted threads as in Cytospora, This fungus, originally described as Diaporthe parasitica, is a serious parasite on the chestnut. The mycelium grows through the inner bark in all directions from the initial wound at which in- fection occurred, eventually girdling the part. The wood is also affected. The perithecia appear in abundance upon or in cracks of the baxk, extruding their spores in greenish to yellow threads. Hypocrea Fries (p. 1 Stock Photo

RMPG4GAB–. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 209 yellowish, cylindrical, slightly curved, discharged in twisted threads as in Cytospora, This fungus, originally described as Diaporthe parasitica, is a serious parasite on the chestnut. The mycelium grows through the inner bark in all directions from the initial wound at which in- fection occurred, eventually girdling the part. The wood is also affected. The perithecia appear in abundance upon or in cracks of the baxk, extruding their spores in greenish to yellow threads. Hypocrea Fries (p. 1

. Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz . Cytospora Pinastri, Fries, Syst. M^'c. p. 544. a. Durchschnitt eines Fruchtgehäuses mit den Zellen im Innern. b. Ein Theil des Hymeniums mit Trägern und Sporen. c. Träger mehr vergrössert. d. Fünf freie Sporen. Alles stark vergrössert. Nach Delacroix, Bull, de la Societe mycologique de France. Tom. VI. Fase. 4. p. 174. 36* Stock Photo

RMMAAH9K–. Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz . Cytospora Pinastri, Fries, Syst. M^'c. p. 544. a. Durchschnitt eines Fruchtgehäuses mit den Zellen im Innern. b. Ein Theil des Hymeniums mit Trägern und Sporen. c. Träger mehr vergrössert. d. Fünf freie Sporen. Alles stark vergrössert. Nach Delacroix, Bull, de la Societe mycologique de France. Tom. VI. Fase. 4. p. 174. 36*

Diseases of crop-plants in the Diseases of crop-plants in the Lesser Antilles diseasesofcroppl00nowe Year: 1923 3i6 DISEASES OF CROP-PLANTS Cytospora Rot. The fungus Cytospora Sacchari Butl., originally described from sugar-cane in India, has been found by J. R. Johnston on certain susceptible Barbados seedlings in Porto Rico, causing an affection of young shoots very similar in its nature and effects to the Hawaiian Iliau disease, but producing also nodal infections on older canes. The fungus occurs in Barbados, but is not known to be injurious. The leaf-sheaths of young shoots are firmly b Stock Photo

RMT1HY31–Diseases of crop-plants in the Diseases of crop-plants in the Lesser Antilles diseasesofcroppl00nowe Year: 1923 3i6 DISEASES OF CROP-PLANTS Cytospora Rot. The fungus Cytospora Sacchari Butl., originally described from sugar-cane in India, has been found by J. R. Johnston on certain susceptible Barbados seedlings in Porto Rico, causing an affection of young shoots very similar in its nature and effects to the Hawaiian Iliau disease, but producing also nodal infections on older canes. The fungus occurs in Barbados, but is not known to be injurious. The leaf-sheaths of young shoots are firmly b

RFKH5CHT–Plum tree oozing sap from bark due to fungal disease, weakened by Hot, dry conditions, Spain.

RFR6AYP4–Serious bleeding of gum (gummosis) from the trunk of a scale insect infested Apricot 'Tomcot' fruit tree.

Almond tree oozing sap from bark due to fungal disease, Spain. Stock Photo

RM2M0G17M–Almond tree oozing sap from bark due to fungal disease, Spain.

RF2BCRX2E–Wood disease, problematic infection of tree bark

RF2BX757W–Chicago local tree fungus dripping from a cherry tree branch in the backyard garden, gummosis, Cytospora canker.

. Bulletin of the British Museum (Natural History). Botany; Botany. Fig. 25 Phoma cytospora (IMI 164975). A, Vertical section of pycnidium. B, Conidio- genous cells and pycnidial wall. C, Conidia. Reproduced from Hawksworth & Punithalingam (1973:62).. 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.. British Museum (Natural History). London : The Museum Stock Photo

RMRGJHAB–. Bulletin of the British Museum (Natural History). Botany; Botany. Fig. 25 Phoma cytospora (IMI 164975). A, Vertical section of pycnidium. B, Conidio- genous cells and pycnidial wall. C, Conidia. Reproduced from Hawksworth & Punithalingam (1973:62).. 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.. British Museum (Natural History). London : The Museum

. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 499 C. cerei, Poll, is on Cereus; C. citri Maynag. on oranges; C. damnosa Pet. on pine; all in Italy. C. persicae Schw. is reported on young peach branches. Cytospora Ehrenberg (p. 483) Stroma superficial or erumpent, tubercular, with irregular chambers; conidia elongate allantoid. Ascigerous forms belonging to Valsa are known. Some two hundred species, chiefly saprophytes. C. palmarum Cke. is on palms. C. ceratophora Sacc. is the suspected cause of a blight of Japanese chestnuts.^* C. acerina Ad Stock Photo

RMPG0RB0–. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 499 C. cerei, Poll, is on Cereus; C. citri Maynag. on oranges; C. damnosa Pet. on pine; all in Italy. C. persicae Schw. is reported on young peach branches. Cytospora Ehrenberg (p. 483) Stroma superficial or erumpent, tubercular, with irregular chambers; conidia elongate allantoid. Ascigerous forms belonging to Valsa are known. Some two hundred species, chiefly saprophytes. C. palmarum Cke. is on palms. C. ceratophora Sacc. is the suspected cause of a blight of Japanese chestnuts.^* C. acerina Ad

. Fig. 129 Cytospora Sacchari : Surface and Sectional Views of Pycnidia Spore and Sporophore From Memoirs, Dept. Agri., India project beyond the surface sufficiently to be readily seen, and to give a rough sensation when the linger is passed over them. During wet weather a minute yellowish globule of conidia exudes from the tip of the beak. The spores are cylindrical and slightly curved, obtuse at both ends, 3.5x1-1.5 microns. With the elimination of the susceptible varieties in Porto Rico no further evidence of parasitic activity on the part of this fungus has been seen. Leaf Sheath Rot Under Stock Photo

RMMCKCBP–. Fig. 129 Cytospora Sacchari : Surface and Sectional Views of Pycnidia Spore and Sporophore From Memoirs, Dept. Agri., India project beyond the surface sufficiently to be readily seen, and to give a rough sensation when the linger is passed over them. During wet weather a minute yellowish globule of conidia exudes from the tip of the beak. The spores are cylindrical and slightly curved, obtuse at both ends, 3.5x1-1.5 microns. With the elimination of the susceptible varieties in Porto Rico no further evidence of parasitic activity on the part of this fungus has been seen. Leaf Sheath Rot Under

Dr L Rabenhorst's Kryptogamen-Flora von Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz drlrabenhorstskr16rabe Year: 1901 Cytospora 589 Pirus centrales Fruchtgehäuse gehäuft-kreisständigen Kammern, die meist mit gleicli- farbigem Inhalte erfüllt sind und von keinem Stroma umgeben werden. Die Münduug ist bald porös, bald papillenförmig, die Gallerte strohfarben, trocken gelblich.' 1705. C. piricola Westend, in Bull. Acad. Belg. tom. XIX. Sacc, Syll. III. p. 276. Fruchtgehäuse gelblich, zusammengedrückt, klein, fast runde, eingesenkte Pusteln mit weisslicher, Stock Photo

RMT0TPK9–Dr L Rabenhorst's Kryptogamen-Flora von Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz drlrabenhorstskr16rabe Year: 1901 Cytospora 589 Pirus centrales Fruchtgehäuse gehäuft-kreisständigen Kammern, die meist mit gleicli- farbigem Inhalte erfüllt sind und von keinem Stroma umgeben werden. Die Münduug ist bald porös, bald papillenförmig, die Gallerte strohfarben, trocken gelblich.' 1705. C. piricola Westend, in Bull. Acad. Belg. tom. XIX. Sacc, Syll. III. p. 276. Fruchtgehäuse gelblich, zusammengedrückt, klein, fast runde, eingesenkte Pusteln mit weisslicher,

RFR6AYF6–Serious bleeding of gum (gummosis) from the trunk of a scale insect infested Apricot 'Tomcot' fruit tree.

RM2M0G16C–Almond tree oozing sap from bark due to fungal disease, Spain.

RF2BX75ED–Chicago local tree fungus dripping from a cherry tree branch in the backyard garden, gummosis, Cytospora canker.

$. Bihang till Kongl. Svenska vetenskaps-akademiens handlingar. Science; Botany. 108 STARBÄCK, SPH^RIACE^ IMPERFECTE COGNIT^. (ietegeiiö (Phonia) . . diffusa (Amphisplueria) . diffusa (Bi/ssospJueria) . diffusa (Neopeckia) . diffusa (Sphaeria) . . dispar (Dothiorella) . dispar {Melogramma) . (lispar (Sphaeria) . . druparuni (Haplosporella) (Irnparuui (Sphaeria) elevans (Eutypa) . . elevans (Sphaeria) . Emiliana {Leptosplweria) endochlora (Sphaeria) . eiidophylla (Cytispora) . cndophylla (Cytospora) . Eijuiseti (Halnnia) . E<iiiiseti (Plioma) . . Eqxdseti (iSphceria) . Kquiseti (Stagonospora) Stock Photo$

RMRHT3XA–. Bihang till Kongl. Svenska vetenskaps-akademiens handlingar. Science; Botany. 108 STARBÄCK, SPH^RIACE^ IMPERFECTE COGNIT^. (ietegeiiö (Phonia) . . diffusa (Amphisplueria) . diffusa (Bi/ssospJueria) . diffusa (Neopeckia) . diffusa (Sphaeria) . . dispar (Dothiorella) . dispar {Melogramma) . (lispar (Sphaeria) . . druparuni (Haplosporella) (Irnparuui (Sphaeria) elevans (Eutypa) . . elevans (Sphaeria) . Emiliana {Leptosplweria) endochlora (Sphaeria) . eiidophylla (Cytispora) . cndophylla (Cytospora) . Eijuiseti (Halnnia) . E<iiiiseti (Plioma) . . Eqxdseti (iSphceria) . Kquiseti (Stagonospora)

. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 279. Fig. 208.- in section lasne. Diaporthe. C, asci. o B, stroma. After Tu- hyaline, appendaged or not; pa- raphyses none. Conidia=Phoma, Cytospora, etc. D. taleola (Fr.) Sacc. Stroma cortical, definite, de- pressed, pulvinate, 2-4 mm., cov- ered; perithecia few, 4-10, buried, their ostioles converging, erumpent in a small light-colored disk; asci cylindric, 120-140 x 10-12 ix, spores elliptic, uniseptate, constricted, with setaceous appendajges, 15-22 x 8-9/1. It causes canker on oak, killing t Stock Photo

RMPG469F–. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 279. Fig. 208.- in section lasne. Diaporthe. C, asci. o B, stroma. After Tu- hyaline, appendaged or not; pa- raphyses none. Conidia=Phoma, Cytospora, etc. D. taleola (Fr.) Sacc. Stroma cortical, definite, de- pressed, pulvinate, 2-4 mm., cov- ered; perithecia few, 4-10, buried, their ostioles converging, erumpent in a small light-colored disk; asci cylindric, 120-140 x 10-12 ix, spores elliptic, uniseptate, constricted, with setaceous appendajges, 15-22 x 8-9/1. It causes canker on oak, killing t

. Fic,. 54- Geographical distribution of poplar canker caused by Cytospora chn^sosperna (FcrsO Fr. in tiie U. S., as reported to Hie Plant Disease Survey. European canker caused by Dothichiza populea Sacc. Connecticut - more prevalent â¢J-.an in previous years. Minnesota - weather relations were dry and hot; disease cormon. Illinois (RBM) .nthracncse caused by ?!arssonia pcpuli (Lib.) Sacc. ''ev; York rev; Jersey - abundant. Anthracnose caused by ^larssonia sp. '.â ."ashinfoton - moderately severe. "^st ca-used by 'ielanpsora medusae Th":;.. South Carolina - ur.inpo:."ta Stock Photo

RMMCK9G2–. Fic,. 54- Geographical distribution of poplar canker caused by Cytospora chn^sosperna (FcrsO Fr. in tiie U. S., as reported to Hie Plant Disease Survey. European canker caused by Dothichiza populea Sacc. Connecticut - more prevalent â¢J-.an in previous years. Minnesota - weather relations were dry and hot; disease cormon. Illinois (RBM) .nthracncse caused by ?!arssonia pcpuli (Lib.) Sacc. ''ev; York rev; Jersey - abundant. Anthracnose caused by ^larssonia sp. '.â ."ashinfoton - moderately severe. "^st ca-used by 'ielanpsora medusae Th":;.. South Carolina - ur.inpo:."ta

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

RFR6AYE6–Serious bleeding of gum (gummosis) from the trunk of a scale insect infested Apricot 'Tomcot' fruit tree.

RM2M0G18K–Almond tree oozing sap from bark due to fungal disease, Spain.

RF2BX755P–Chicago local tree fungus dripping from a cherry tree branch in the backyard garden, gummosis, Cytospora canker.

RMRDFE0Y–. 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

. Dansk botanisk arkiv. Plants; Plants -- Denmark. 8 Dansk Botanisk Arkiv, Bd. 2. Nr. 5. *Melanospora verveeina (Desm.) Fckl. Paa visne Blade af Quercus robur. S. Gelsskov 1911. *Melanospora Townei Griff. Paa henraadnende Naale af Picea excelsa. S. Gelsskov 1914. *Nectriella charticola Fckl. Paa henraadnende Pap. S. Bondernes Hegn, Okt. 1913. *Nectriella paludosa Fckl. Paa meget fugtigt lig- gende Straa af Avena sativa. S. Lundby, Aug. 1913. Sporerne 13—15 X 5—6pt. Nectria episphaeria Fr. Paa Xylaria polymorpha. S. Ermelunden, Nov. 1914. Paa Cytospora pinastri paa Naale af Abies alba (1—4 Peri Stock Photo

RMPFHANW–. Dansk botanisk arkiv. Plants; Plants -- Denmark. 8 Dansk Botanisk Arkiv, Bd. 2. Nr. 5. *Melanospora verveeina (Desm.) Fckl. Paa visne Blade af Quercus robur. S. Gelsskov 1911. *Melanospora Townei Griff. Paa henraadnende Naale af Picea excelsa. S. Gelsskov 1914. *Nectriella charticola Fckl. Paa henraadnende Pap. S. Bondernes Hegn, Okt. 1913. *Nectriella paludosa Fckl. Paa meget fugtigt lig- gende Straa af Avena sativa. S. Lundby, Aug. 1913. Sporerne 13—15 X 5—6pt. Nectria episphaeria Fr. Paa Xylaria polymorpha. S. Ermelunden, Nov. 1914. Paa Cytospora pinastri paa Naale af Abies alba (1—4 Peri

. Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz . 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 vergrössert. e. Ein horizontal durchschnittenes, vergrössertes Stroma. f. Sporen Stock Photo

RMMAAH9D–. Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz . 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 vergrössert. e. Ein horizontal durchschnittenes, vergrössertes Stroma. f. Sporen

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

RFR6AYDB–Serious bleeding of gum (gummosis) from the trunk of a scale insect infested Apricot 'Tomcot' fruit tree.

RM2M0G19N–Almond tree oozing sap from bark due to fungal disease, Spain.

RF2BX75GB–Chicago local tree fungus dripping from a cherry tree branch in the backyard garden, gummosis, Cytospora canker.

. Bulletin. Mycology; Fungi; Botany. BULL. DE LA SOC. MYC. DE FRANGE T. IX. PL. XIII.. I. Macrophoma suberis. — U. Cercospora Odontoglossi. — III. Septoria Carrubi. — I. Phyl- losticta cicerina. — V. Ascochyta Orobi var. Onobrychidis et Ramularia Onobrychidis. — VI. Vermicularia conidifera. — VII. Fnsicladium pirinûm et sa spermogonie—VIII. Cytospora Pandani.. 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.. Socie?te? mycol Stock Photo

RMRH04MR–. Bulletin. Mycology; Fungi; Botany. BULL. DE LA SOC. MYC. DE FRANGE T. IX. PL. XIII.. I. Macrophoma suberis. — U. Cercospora Odontoglossi. — III. Septoria Carrubi. — I. Phyl- losticta cicerina. — V. Ascochyta Orobi var. Onobrychidis et Ramularia Onobrychidis. — VI. Vermicularia conidifera. — VII. Fnsicladium pirinûm et sa spermogonie—VIII. Cytospora Pandani.. 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.. Socie?te? mycol

. Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz . Einige von den im Nachfolgenden aufgeführten Arten sind sicher Sanimel- arten, wie Cytospora decipiens Sacc., welche ausser auf Carpinus auch noch auf Acer, Betula, Fagus, Querus; dann C. ambiens Sacc, auf Acer, Betula, Carpinus, Castanea, Corylus, Fagus, Fraxinus, Populus, Quercus, Rubus, ferner C. foliicola Libert, auf Acer, Evonymus, Crataegus, Hedera, Quercus, Smilax, Vinca angegeben werden. Bei genauer und eingehender Beobachtung mit den jetzt sehr verbesserten Instrumenten werden auf den verschiedenen Stock Photo

RMMAAH9E–. Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz . Einige von den im Nachfolgenden aufgeführten Arten sind sicher Sanimel- arten, wie Cytospora decipiens Sacc., welche ausser auf Carpinus auch noch auf Acer, Betula, Fagus, Querus; dann C. ambiens Sacc, auf Acer, Betula, Carpinus, Castanea, Corylus, Fagus, Fraxinus, Populus, Quercus, Rubus, ferner C. foliicola Libert, auf Acer, Evonymus, Crataegus, Hedera, Quercus, Smilax, Vinca angegeben werden. Bei genauer und eingehender Beobachtung mit den jetzt sehr verbesserten Instrumenten werden auf den verschiedenen

RMT0TDMR–Dr L Rabenhorst's Kryptogamen-Flora von Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz drlrabenhorstskr16rabe Year: 1901 564 Cijtospora Cytospora niicrospora (Corda) Eabenh. a. Der Pilz in natürlicher Grösse. h. u. c. Zwei Stromata von oben gesehen, schwach vergrössert. d. Senkrechter Durchschnitt eines Stroma, stark vergrössert. e. Sporen träger und Sporen, sehr stark vergrössert. Nach Corda, Icon. IH. t. IV. fig. 69. Cytospora niphostoma Sacc. a. Der Pilz in natürlicher Grösse. h. Ein Stroma von oben gesehen, schwach vergrössert. c. Senkrechter Durchs

RFR6AYN6–Serious bleeding of gum (gummosis) from the trunk of a scale insect infested Apricot 'Tomcot' fruit tree.

RF2BX757H–Chicago local tree fungus dripping from a cherry tree branch in the backyard garden, gummosis, Cytospora canker.

Organic gummosis, Cytospora, Leucostoma canker, living on a cherry tree in the backyard. Stock Photo

RF2C9HAA5–Organic gummosis, Cytospora, Leucostoma canker, living on a cherry tree in the backyard.

. Bulletin. Natural history; Natural history. Fig. 11.— Cytospora canker and dieback on black oak. Only a few scattered, erumptnt stromata are present in the light to dark brown, sunken, diseased region. The border ot this region is made conspicuous by the contrast in color of the living and diseased bark and by the shrunken appearance of the diseased bark. X 1.. Fig. 13.—Culture of Cylospora on corn meal agar. The black stromata are embedded in white to greenish-white tutts ot hyphae. and they are exposed through the ruptured host tissues. The locules are irregularly arranged. The conidia are Stock Photo

RMRGWDDJ–. Bulletin. Natural history; Natural history. Fig. 11.— Cytospora canker and dieback on black oak. Only a few scattered, erumptnt stromata are present in the light to dark brown, sunken, diseased region. The border ot this region is made conspicuous by the contrast in color of the living and diseased bark and by the shrunken appearance of the diseased bark. X 1.. Fig. 13.—Culture of Cylospora on corn meal agar. The black stromata are embedded in white to greenish-white tutts ot hyphae. and they are exposed through the ruptured host tissues. The locules are irregularly arranged. The conidia are

RMMAAH9G–. Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz . Cytospora niicrospora (Corda) Eabenh. a. Der Pilz in natürlicher Grösse. h. u. c. Zwei Stromata von oben gesehen, schwach vergrössert. d. Senkrechter Durchschnitt eines Stroma, stark vergrössert. e. Sporen träger und Sporen, sehr stark vergrössert. Nach Corda, Icon. IH. t. IV. fig. 69. Cytospora niphostoma Sacc. a. Der Pilz in natürlicher Grösse. h. Ein Stroma von oben gesehen, schwach vergrössert. c. Senkrechter Durchschnitt eines Stroma mit den Kammern. d. Sporenträger, stark vergrössert. e. Sporen, noch s

RF2C9HAG5–Organic gummosis, Cytospora, Leucostoma canker, living on a cherry tree in the backyard.

RMRDDBJH–. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 209 yellowish, cylindrical, slightly curved, discharged in twisted threads as in Cytospora, This fungus, originally described as Diaporthe parasitica, is a serious parasite on the chestnut. The mycelium grows through the inner bark in all directions from the initial wound at which in- fection occurred, eventually girdling the part. The wood is also affected. The perithecia appear in abundance upon or in cracks of the baxk, extruding their spores in greenish to yellow threads. Hypocrea Fries (p. 1

RF2C9HA0W–Organic gummosis, Cytospora, Leucostoma canker, living on a cherry tree in the backyard.

. Bulletin of the British Museum (Natural History). Botany; Botany. 25/im. Fig. 26 Phoma dubia (E—holotype). A, Vertical section of pycnidium. B, Conidiogenous cells and pycnidial wall. C, Conidiogenous cells. D, Conidia. at Blainville in 1906 labelled 'Phyllosticta cytospora mini' present which agrees in all details with Vouaux's original description and later collections; the Blainville specimen is consequently designated as neotype for this name here. The name Phyllosticta lichenicola Allescher may have been partly based on a fungus very close to Phoma cytospora (see p. 83). Phoma caperatae Stock Photo

RMRGJH9G–. Bulletin of the British Museum (Natural History). Botany; Botany. 25/im. Fig. 26 Phoma dubia (E—holotype). A, Vertical section of pycnidium. B, Conidiogenous cells and pycnidial wall. C, Conidiogenous cells. D, Conidia. at Blainville in 1906 labelled 'Phyllosticta cytospora mini' present which agrees in all details with Vouaux's original description and later collections; the Blainville specimen is consequently designated as neotype for this name here. The name Phyllosticta lichenicola Allescher may have been partly based on a fungus very close to Phoma cytospora (see p. 83). Phoma caperatae

RF2C9HAM5–Organic gummosis, Cytospora, Leucostoma canker, living on a cherry tree in the backyard.

. Annual report of the Commissioner of Agriculture ... Agriculture -- New York (State). Platk XXI.— Acer platanoidcs Injured in Winter of 1909-10. Section taken 10 cm. above that on Plate XX. Specimen kept in museum from November. 1910, to July, 1912; " heart-rot " progressed; numerous Cytospora pycnidia found on old dead bark at left, between 3 and 6. (Cut and photographed July 3, 1912.). 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 resem Stock Photo

RMRM8K85–. Annual report of the Commissioner of Agriculture ... Agriculture -- New York (State). Platk XXI.— Acer platanoidcs Injured in Winter of 1909-10. Section taken 10 cm. above that on Plate XX. Specimen kept in museum from November. 1910, to July, 1912; " heart-rot " progressed; numerous Cytospora pycnidia found on old dead bark at left, between 3 and 6. (Cut and photographed July 3, 1912.). 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 resem

RF2C9HAFG–Organic gummosis, Cytospora, Leucostoma canker, living on a cherry tree in the backyard.

. Bulletin. Agriculture; Agriculture -- Arizona. 612 Potato. Thirty-second Annual Report Blackleg caused by Bacillus jjhijtophthorus, from St. David. Scab caused by Oospora scabies, from Santa Cruz Valley. Rhizoctoniose caused by Rhizoctonia solani, from Santa Cruz Valley.. Fig. 9.—Trunk of peach tree killed by crown gall. Note the large gall at base of the trunk on the left side. ORCHARD TREES Apple Die-back caused by Cytospora rubescens, from Apache County.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration Stock Photo

RMRH0BTR–. Bulletin. Agriculture; Agriculture -- Arizona. 612 Potato. Thirty-second Annual Report Blackleg caused by Bacillus jjhijtophthorus, from St. David. Scab caused by Oospora scabies, from Santa Cruz Valley. Rhizoctoniose caused by Rhizoctonia solani, from Santa Cruz Valley.. Fig. 9.—Trunk of peach tree killed by crown gall. Note the large gall at base of the trunk on the left side. ORCHARD TREES Apple Die-back caused by Cytospora rubescens, from Apache County.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration

RF2C9HA5Y–Organic gummosis, Cytospora, Leucostoma canker, living on a cherry tree in the backyard.

. Bulletin. Natural history; Natural history. Fig. 12.—Portion of a stroma o( Cylospora. The erumpent appearance of the stroma is shown in vertical section. The black stromatic tissue with its locules and spores is embedded in the cankerous host tissue. X 5.S. ^ d. Fig. 11.— Cytospora canker and dieback on black oak. Only a few scattered, erumptnt stromata are present in the light to dark brown, sunken, diseased region. The border ot this region is made conspicuous by the contrast in color of the living and diseased bark and by the shrunken appearance of the diseased bark. X 1.. Please note t Stock Photo

RMRGW23G–. Bulletin. Natural history; Natural history. Fig. 12.—Portion of a stroma o( Cylospora. The erumpent appearance of the stroma is shown in vertical section. The black stromatic tissue with its locules and spores is embedded in the cankerous host tissue. X 5.S. ^ d. Fig. 11.— Cytospora canker and dieback on black oak. Only a few scattered, erumptnt stromata are present in the light to dark brown, sunken, diseased region. The border ot this region is made conspicuous by the contrast in color of the living and diseased bark and by the shrunken appearance of the diseased bark. X 1.. Please note t

RF2C9HAKP–Organic gummosis, Cytospora, Leucostoma canker, living on a cherry tree in the backyard.

RMRDE5C0–. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 499 C. cerei, Poll, is on Cereus; C. citri Maynag. on oranges; C. damnosa Pet. on pine; all in Italy. C. persicae Schw. is reported on young peach branches. Cytospora Ehrenberg (p. 483) Stroma superficial or erumpent, tubercular, with irregular chambers; conidia elongate allantoid. Ascigerous forms belonging to Valsa are known. Some two hundred species, chiefly saprophytes. C. palmarum Cke. is on palms. C. ceratophora Sacc. is the suspected cause of a blight of Japanese chestnuts.^* C. acerina Ad

RF2C9H5NJ–Organic gummosis, Cytospora, Leucostoma canker, living on a cherry tree in the backyard.

. Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz. Cryptogams -- Germany; Cryptogams -- Austria; Cryptogams -- Switzerland. Ctßospora 565 Cytospora Sophorae Bresadola. a. Der Pilz in natiivlicher Grösse. h. Senkrechter Durchschnitt eines Stroma, stark vergrössert. c. Sporenträger, sehr stark vergrössert. d. Sporen, noch stärker vergrössert. Nach Bresadola, Pungi Tridentini. IL t. 149.. Einige von den im Nachfolgenden aufgeführten Arten sind sicher Sanimel- arten, wie Cytospora decipiens Sacc., welche ausser auf Carpinus auch noch auf Acer, Betula, Fagus, Quer Stock Photo

RMREFMXK–. Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz. Cryptogams -- Germany; Cryptogams -- Austria; Cryptogams -- Switzerland. Ctßospora 565 Cytospora Sophorae Bresadola. a. Der Pilz in natiivlicher Grösse. h. Senkrechter Durchschnitt eines Stroma, stark vergrössert. c. Sporenträger, sehr stark vergrössert. d. Sporen, noch stärker vergrössert. Nach Bresadola, Pungi Tridentini. IL t. 149.. Einige von den im Nachfolgenden aufgeführten Arten sind sicher Sanimel- arten, wie Cytospora decipiens Sacc., welche ausser auf Carpinus auch noch auf Acer, Betula, Fagus, Quer

RF2C9HAB9–Organic gummosis, Cytospora, Leucostoma canker, living on a cherry tree in the backyard.

RMREFMXE–. Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz. Cryptogams -- Germany; Cryptogams -- Austria; Cryptogams -- Switzerland. Cytospora 589 Pirus centrales Fruchtgehäuse gehäuft-kreisständigen Kammern, die meist mit gleicli- farbigem Inhalte erfüllt sind und von keinem Stroma umgeben werden. Die Münduug ist bald porös, bald papillenförmig, die Gallerte strohfarben, trocken gelblich." 1705. C. piricola Westend, in Bull. Acad. Belg. tom. XIX. Sacc, Syll. III. p. 276. Fruchtgehäuse gelblich, zusammengedrückt, klein, fast runde, eingesenkte Pusteln mit weissli

RF2C9H9W1–Organic gummosis, Cytospora, Leucostoma canker, living on a cherry tree in the backyard.

. Bulletin of the British Museum (Natural History). Botany; Botany. E ^§1% 1%^ y. 10/im Fig. 27 Phoma peltigerae (H-KARST 2041—holotype). A, Surface view of pycnidium. B, Vertical section of pycnidium. C, Surface view of pycnidial wall. D, Conidiogenous cells and pycnidial wall. E, Conidia. Observations: Phoma peltigerae recalls P. cytospora but differs in the broader conidia, thickening of the pycnidial wall cells, and larger pycnidia, as well as in occurring on quite different hosts. Phyllosticta peltigerae was originally described from 'Mustiala' but no material under this name from that lo Stock Photo

RMRGJH7K–. Bulletin of the British Museum (Natural History). Botany; Botany. E ^§1% 1%^ y. 10/im Fig. 27 Phoma peltigerae (H-KARST 2041—holotype). A, Surface view of pycnidium. B, Vertical section of pycnidium. C, Surface view of pycnidial wall. D, Conidiogenous cells and pycnidial wall. E, Conidia. Observations: Phoma peltigerae recalls P. cytospora but differs in the broader conidia, thickening of the pycnidial wall cells, and larger pycnidia, as well as in occurring on quite different hosts. Phyllosticta peltigerae was originally described from 'Mustiala' but no material under this name from that lo

RF2C9HAAN–Organic gummosis, Cytospora, Leucostoma canker, living on a cherry tree in the backyard.

RMREFMXM–. Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz. Cryptogams -- Germany; Cryptogams -- Austria; Cryptogams -- Switzerland. 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

RF2C9HA57–Organic gummosis, Cytospora, Leucostoma canker, living on a cherry tree in the backyard.

RMREFMXN–. Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz. Cryptogams -- Germany; Cryptogams -- Austria; Cryptogams -- Switzerland. Cytospora niicrospora (Corda) Eabenh. a. Der Pilz in natürlicher Grösse. h. u. c. Zwei Stromata von oben gesehen, schwach vergrössert. d. Senkrechter Durchschnitt eines Stroma, stark vergrössert. e. Sporen träger und Sporen, sehr stark vergrössert. Nach Corda, Icon. IH. t. IV. fig. 69. Cytospora niphostoma Sacc. a. Der Pilz in natürlicher Grösse. h. Ein Stroma von oben gesehen, schwach vergrössert. c. Senkrechter Durchschnitt eines Strom

Green lichen growing on the cherry tree in the backyard garden. Stock Photo

RF2BX75CA–Green lichen growing on the cherry tree in the backyard garden.

RMREFMXP–. Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz. Cryptogams -- Germany; Cryptogams -- Austria; Cryptogams -- Switzerland. 564 Cijtospora. Cytospora niicrospora (Corda) Eabenh. a. Der Pilz in natürlicher Grösse. h. u. c. Zwei Stromata von oben gesehen, schwach vergrössert. d. Senkrechter Durchschnitt eines Stroma, stark vergrössert. e. Sporen träger und Sporen, sehr stark vergrössert. Nach Corda, Icon. IH. t. IV. fig. 69. Cytospora niphostoma Sacc. a. Der Pilz in natürlicher Grösse. h. Ein Stroma von oben gesehen, schwach vergrössert. c. Senkrechter Durchsch

RF2BX75A7–Green lichen growing on the cherry tree in the backyard garden.

RMREFMXH–. Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz. Cryptogams -- Germany; Cryptogams -- Austria; Cryptogams -- Switzerland. 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., Botan

RMRDDAT4–. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 279. Fig. 208.- in section lasne. Diaporthe. C, asci. o B, stroma. After Tu- hyaline, appendaged or not; pa- raphyses none. Conidia=Phoma, Cytospora, etc. D. taleola (Fr.) Sacc. Stroma cortical, definite, de- pressed, pulvinate, 2-4 mm., cov- ered; perithecia few, 4-10, buried, their ostioles converging, erumpent in a small light-colored disk; asci cylindric, 120-140 x 10-12 ix, spores elliptic, uniseptate, constricted, with setaceous appendajges, 15-22 x 8-9/1. It causes canker on oak, killing t

RMRD4R7G–. Dansk botanisk arkiv. Plants; Plants -- Denmark. 8 Dansk Botanisk Arkiv, Bd. 2. Nr. 5. *Melanospora verveeina (Desm.) Fckl. Paa visne Blade af Quercus robur. S. Gelsskov 1911. *Melanospora Townei Griff. Paa henraadnende Naale af Picea excelsa. S. Gelsskov 1914. *Nectriella charticola Fckl. Paa henraadnende Pap. S. Bondernes Hegn, Okt. 1913. *Nectriella paludosa Fckl. Paa meget fugtigt lig- gende Straa af Avena sativa. S. Lundby, Aug. 1913. Sporerne 13—15 X 5—6pt. Nectria episphaeria Fr. Paa Xylaria polymorpha. S. Ermelunden, Nov. 1914. Paa Cytospora pinastri paa Naale af Abies alba (1—4 Peri

. Bulletin trimestriel de la SociÃ©tÃ© mycologique de France. Mycology; Fungi; Fungi. FiG. 8.â Cytospora Pinastri. â o, sporophore ramifiÃ© sympodiquement ; b, spores; c, reproduction du sporophore d'aprÃ¨s Delacroix. tosique; au moment oÃ¹ le mucilage se gonfle et se dissout len- tement dans l'eau, les spores forment des amas trÃ¨s serrÃ©s, en s'appliquant les unes contre les autres, et elles s'empilent en formant des plages qui rappellent un peu les amas en piÃ¨ces de monnaie formÃ©s par les globules sanguins. La diffÃ©rence fondamentale qui existe entre nos observations et celles de M. Dela Stock Photo

RMRG9AD4–. Bulletin trimestriel de la SociÃ©tÃ© mycologique de France. Mycology; Fungi; Fungi. FiG. 8.â Cytospora Pinastri. â o, sporophore ramifiÃ© sympodiquement ; b, spores; c, reproduction du sporophore d'aprÃ¨s Delacroix. tosique; au moment oÃ¹ le mucilage se gonfle et se dissout len- tement dans l'eau, les spores forment des amas trÃ¨s serrÃ©s, en s'appliquant les unes contre les autres, et elles s'empilent en formant des plages qui rappellent un peu les amas en piÃ¨ces de monnaie formÃ©s par les globules sanguins. La diffÃ©rence fondamentale qui existe entre nos observations et celles de M. Dela

. Bulletin trimestriel de la SociÃ©tÃ© mycologique de France. Mycology; Fungi; Fungi. i68 A. MAUBLAXC. autres. Voici d'ailleurs la liste de celles que j'ai rencontrÃ©es j'y joins quelques observations sur ces champignons. Gytospora pinastri Fries et Physalospora abietina Prill. et Del. Le Cytospora Pinastri Fries est trÃ¨s rÃ©pandu sur les feuilles mortes et y a Ã©tÃ© signalÃ© par tous les auteurs qui se sont occupÃ©s de cette maladie. D'aprÃ¨s Prillieux et Delacroix, cette espÃ¨ce pourrait Ãªtre parasite ; dans le cas actuel, il ne semble pas en Ãªtre ainsi ; cependant c'est un des champignon Stock Photo

RMRG92DE–. Bulletin trimestriel de la SociÃ©tÃ© mycologique de France. Mycology; Fungi; Fungi. i68 A. MAUBLAXC. autres. Voici d'ailleurs la liste de celles que j'ai rencontrÃ©es j'y joins quelques observations sur ces champignons. Gytospora pinastri Fries et Physalospora abietina Prill. et Del. Le Cytospora Pinastri Fries est trÃ¨s rÃ©pandu sur les feuilles mortes et y a Ã©tÃ© signalÃ© par tous les auteurs qui se sont occupÃ©s de cette maladie. D'aprÃ¨s Prillieux et Delacroix, cette espÃ¨ce pourrait Ãªtre parasite ; dans le cas actuel, il ne semble pas en Ãªtre ainsi ; cependant c'est un des champignon

. Diseases of crop-plants in the Lesser Antilles. Tropical plants; Plant diseases. 3i6 DISEASES OF CROP-PLANTS Cytospora Rot. The fungus Cytospora Sacchari Butl., originally described from sugar-cane in India, has been found by J. R. Johnston on certain susceptible Barbados seedlings in Porto Rico, causing an affection of young shoots very similar in its nature and effects to the Hawaiian Iliau disease, but producing also nodal infections on older canes. The fungus occurs in Barbados, but is not known to be injurious. The leaf-sheaths of young shoots are firmly bound together by the mycelium : Stock Photo

RMRCD90T–. Diseases of crop-plants in the Lesser Antilles. Tropical plants; Plant diseases. 3i6 DISEASES OF CROP-PLANTS Cytospora Rot. The fungus Cytospora Sacchari Butl., originally described from sugar-cane in India, has been found by J. R. Johnston on certain susceptible Barbados seedlings in Porto Rico, causing an affection of young shoots very similar in its nature and effects to the Hawaiian Iliau disease, but producing also nodal infections on older canes. The fungus occurs in Barbados, but is not known to be injurious. The leaf-sheaths of young shoots are firmly bound together by the mycelium :

. Diseases of forest and shade trees, ornamental and miscellaneous plants in the United States in 1921. Trees Diseases and pests United States; Plants, Ornamental Diseases and pests United States. 4^3. Fic,. 54- Geographical distribution of poplar canker caused by Cytospora chn^sosperna (FcrsO Fr. in tiie U. S., as reported to Hie Plant Disease Survey. European canker caused by Dothichiza populea Sacc. Connecticut - more prevalent â¢J-.an in previous years. Minnesota - weather relations were dry and hot; disease cormon. Illinois (RBM) .nthracncse caused by ?!arssonia pcpuli (Lib.) Sacc. ''e Stock Photo

RMRCDP4E–. Diseases of forest and shade trees, ornamental and miscellaneous plants in the United States in 1921. Trees Diseases and pests United States; Plants, Ornamental Diseases and pests United States. 4^3. Fic,. 54- Geographical distribution of poplar canker caused by Cytospora chn^sosperna (FcrsO Fr. in tiie U. S., as reported to Hie Plant Disease Survey. European canker caused by Dothichiza populea Sacc. Connecticut - more prevalent â¢J-.an in previous years. Minnesota - weather relations were dry and hot; disease cormon. Illinois (RBM) .nthracncse caused by ?!arssonia pcpuli (Lib.) Sacc. ''e

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