RM2JTCC5R–Coral Mushroom (Clavulina cristata) perhaps parasitized by Helminthosphaeria clavariarum giving the gray color - near Pisgah National Forest, Brevard,
RMD99EN5–Large spider parasitized and killed by a Cordyceps fungus in the rainforest understory, Ecuador
RF2T0GNNR–Leafhopper Psammotettix alienus kiled by parasitic, entomopathogenic fungus.
RF2AGHR2P–Dead branch of on oak, grown with Hairy curtain crust fungi, on a forest soil with ferns and fallen leaves
RFM18EF5–A parasitic fungi (Cordyceps) that has taken over the body of an insect, killed it and now grows from the remains which it utilizes for nutrients.
RF2T6T4HB–Insects parasitized by fungi
RMBGR3P8–Downy or Hairy Birch (Betula pubescens) galled or parasatized by 'witches-broom', fungus (Taphrina betulina).
RF2T6T4J0–Insects parasitized by Beauveria bassiana
RF2PGYGG5–Cordyceps parasitic fungus growing on ant, illustration
RMCNMH2W–Sac Fungus Cordyceps tuberculata fruiting bodies emerged dead parasitized moth Manu Road Departemento Cuzco Andes Peru
RM2AND7P0–A text-book of mycology and plant pathology . Fig. II.—Gray mould, Mucoy,showing mycelium and the sporan-gia on upright sporangiophores.{After Conn.) CHARACTERISTICS OF THE TRUE FUNGI 43 gradations which preclude an absolute pronouncement as to whethera plant is a saprophyte, or a parasite..^ Botanists generally concedethat the true fungi have been derived from filamentous algal ancestorsand the groups of algas from which the principal forms of fungi have (. Fig. 12.—Russula nigricans parasitized by Nyctalis aslerophora. {After Brefeld.) been derived are fairly well known. For example, it is b
RM2AA0JF1–Stereum hirsutum, false turkey tail fungi on tree trunk, Surrey, England, United Kingdom, Europe
RMPG4E6J–. A text-book of mycology and plant pathology . Plant diseases; Fungi in agriculture; Plant diseases; Fungi. CHARACTERISTICS OF THE TRUE FUNGI 43 gradations which preclude an absolute pronouncement as to whether a plant is a saprophyte, or a parasite.' Botanists generally concede that the true fungi have been derived from filamentous algal ancestors and the groups of algae from which the principal forms of fungi have. Fig. 12.—Russula nigricans parasitized by Nyclalis aslerophora. (After Brefeld.) been derived are fairly well known. For example, it is beUeved that such fungi as belong to the o
RM2JTCC60–Coral Mushroom (Clavulina cristata) perhaps parasitized by Helminthosphaeria clavariarum giving the gray color - near Pisgah National Forest, Brevard,
RMD99EMM–Large spider parasitized and killed by a Cordyceps fungus in the rainforest understory, Ecuador
RF2AGHR0R–Dead branch of on oak, grown with Hairy curtain crust fungi, on a forest soil with ferns and fallen leaves
RMFG98YG–Fruiting bodies of a Cordyceps fungus growing out of an infested spider in the Ecuadorian Amazon
RMBGR48A–Downy or Hairy Birch (Betula pubescens) galled or parasatized by 'witches-broom', fungus (Taphrina betulina), after light snow
RF2HJENXC–Cabbage fly (also cabbage root fly, root fly or turnip fly) - Delia radicum and leafhopper Psammotettix alienus kiled by parasitic fungus.
RF2T6T4HP–Insects parasitized by Beauveria bassiana
RF2PGYGGA–Cordyceps parasitic fungus growing on ant, illustration
RMCNMJJP–Sac Fungus (Cordyceps sp.) fruiting bodies, emerging from dead parasitized butterfly, Manu Road, Departemento Cuzco, Andes, Peru
RM2AND6WP–A text-book of mycology and plant pathology . Fig. 12.—Russula nigricans parasitized by Nyctalis aslerophora. {After Brefeld.) been derived are fairly well known. For example, it is believed thatsuch fungi as belong to the order OOMYCETALES have been derived ^ Massee, George: On the Origin of Parasitism in Fungi. Annals of Botany,xviii: 319. Ward, H. M.: Recent Researches on the Parasitism of Fungi. Annals of Bot-any, xix: I. Bancroft, C. K.: Researches on the Life History of Parasitic Fungi, .nalsof Botany, xxiv: 359, 1910. 44 MYCOLOGY from a green alga like Vaucheria. With our present knowle
RM2A9RNEX–Stereum hirsutum, false turkey tail fungi on tree trunk, Surrey, England, United Kingdom, Europe
RMPG4H07–. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 87 oval, flattened biciliate zoospores which emerge from the conidia, swim about, come to rest, develop a wall, then produce a germ tube. Direct germination by a germ tube also occurs rarely. In-. FiG. 59.—P. infestans; 1, section showing conidiophores and conidia- formation; 5, germination of a conidia. After Scribner. fection is brought about by the germ tube, either by penetrating through stomata or directly through the epidermis. The walls and contents of parasitized cells are browned. When t
RMFG91PT–Fruiting bodies of a Cordyceps fungus growing out of an infested spider in the Ecuadorian Amazon
RMBGR446–Downy or Hairy Birch (Betula pubescens) galled or parasatized by 'witches-broom', fungus (Taphrina betulina).
RF2HJENXP–Leafhopper Psammotettix alienus kiled by parasitic fungus.
RF2T6T4J3–Insects parasitized by Beauveria bassiana
RF2PGYGFX–Cordyceps parasitic fungus growing on ant, illustration
RMCNMJJM–Sac Fungus (Cordyceps sp.) fruiting bodies, emerging from dead parasitized butterfly, Manu Road, Departemento Cuzco, Andes, Peru
RMRDEG78–. A text-book of mycology and plant pathology . Plant diseases; Fungi in agriculture; Plant diseases; Fungi. CHARACTERISTICS OF THE TRUE FUNGI 43 gradations which preclude an absolute pronouncement as to whether a plant is a saprophyte, or a parasite.' Botanists generally concede that the true fungi have been derived from filamentous algal ancestors and the groups of algae from which the principal forms of fungi have. Fig. 12.—Russula nigricans parasitized by Nyclalis aslerophora. (After Brefeld.) been derived are fairly well known. For example, it is beUeved that such fungi as belong to the o
RM2AA0JDE–Stereum hirsutum, false turkey tail fungi on tree trunk, Surrey, England, United Kingdom, Europe
RMPG4H90–. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 33 ganism, by some regarded as a parasite, though beneficial, and by others regarded as a mutuahstic symbiont will not be discussed here owing to its beneficial character.. Fig. 20.—Part of sweet-corn stem parasitized by Ps. stewarti. After Smith. Ps. savastanoi (E. F. Sm.) Stev. A rod with rounded ends, sohtary or in short chains, 1.2-3 x 0.4-0.8 ju; motile; aerobic; non- sporing; flagella l-several, often 2-i, polar. Standard agar, surface colonies, white, small, circular, smooth 1.5-3 mm. at t
RMFG997R–Fruiting bodies of a Cordyceps fungus growing out of an infested spider in the Ecuadorian Amazon
RMBGR2C1–Downy or Hairy Birch (Betula pubescens) galled or parasatized by 'witches-broom', fungus (Taphrina betulina).
RF2HJENX6–Leafhopper Psammotettix alienus kiled by parasitic fungus.
RF2T6T4J9–Insects parasitized by Beauveria bassiana
RF2HJD246–Fly kiled by parasitic fungus - Entomophthora muscae.
RF2T6T4J6–Insects parasitized by Beauveria bassiana, North China
RF2PGYGGJ–Cordyceps parasitic fungus growing on ant, illustration
RMCNMJJA–Sac Fungus Cordyceps sp. fruiting bodies emerging dead parasitized Spider Ctenidae sp. Manu Road Departemento Cuzco Andes Peru
RM2A9RYP3–Stereum hirsutum, false turkey tail fungi on tree trunk, Surrey, England, United Kingdom, Europe
RMRDE6W4–. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 87 oval, flattened biciliate zoospores which emerge from the conidia, swim about, come to rest, develop a wall, then produce a germ tube. Direct germination by a germ tube also occurs rarely. In-. FiG. 59.—P. infestans; 1, section showing conidiophores and conidia- formation; 5, germination of a conidia. After Scribner. fection is brought about by the germ tube, either by penetrating through stomata or directly through the epidermis. The walls and contents of parasitized cells are browned. When t
RMFG999E–Fruiting bodies of a Cordyceps fungus growing out of an infested spider in the Ecuadorian Amazon
RMBGR4ER–Downy or Hairy Birch (Betula pubescens) galled or parasatized by 'witches-broom', fungus (Taphrina betulina).
RF2PGYGG7–Cordyceps parasitic fungus growing on ant, illustration
RMCNMJMW–Fungus Clavicipitaceae sp. fruiting bodies emerging dead parasitized troglophile moth Grotta delle Vene Veins Cave Ormea Cuneo
RM2A9RN73–Stereum hirsutum, false turkey tail fungi on tree trunk, Surrey, England, United Kingdom, Europe
RMRDE7AW–. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 33 ganism, by some regarded as a parasite, though beneficial, and by others regarded as a mutuahstic symbiont will not be discussed here owing to its beneficial character.. Fig. 20.—Part of sweet-corn stem parasitized by Ps. stewarti. After Smith. Ps. savastanoi (E. F. Sm.) Stev. A rod with rounded ends, sohtary or in short chains, 1.2-3 x 0.4-0.8 ju; motile; aerobic; non- sporing; flagella l-several, often 2-i, polar. Standard agar, surface colonies, white, small, circular, smooth 1.5-3 mm. at t
RMFG98X0–Fruiting bodies of a Cordyceps fungus growing out of an infested spider in the Ecuadorian Amazon
RMFGEYCN–Fruiting bodies of a Cordyceps fungus growing out of an infested spider in the Ecuadorian Amazon
RMBGR4CR–Downy or Hairy Birch (Betula pubescens) galled or parasatized by 'witches-broom', fungus (Taphrina betulina).
RMFG6KKJ–Fruiting bodies of a Cordyceps fungus growing out of an infested spider in the Ecuadorian Amazon