. The fungi which cause plant disease . Plant diseases; Fungi. 452 THE FUNGI WHICH CAUSE PLANT DISEASE Pholiota Fries (p. 449) Pileus symmetrical, more or less thick, fleshy, with a veil which forms an amiulus; gills adnate, becoming rusty at maturity. Kg. 321. P. aurivilla (Bat.) Quel, and P. squarrosa Mtlll. occur on deciduous trees, especially on the apple. P. spectabilis Fr. is occasionally parasitic on oaks. P. mutabilis (Scha.) Quel, is a root parasite on trees. P. adiposa Fries. Cap mediiun, 5-10 cm. wide, yellow, very sticky when moist, with spread- ing or erect rust-brown scales which


. The fungi which cause plant disease . Plant diseases; Fungi. 452 THE FUNGI WHICH CAUSE PLANT DISEASE Pholiota Fries (p. 449) Pileus symmetrical, more or less thick, fleshy, with a veil which forms an amiulus; gills adnate, becoming rusty at maturity. Kg. 321. P. aurivilla (Bat.) Quel, and P. squarrosa Mtlll. occur on deciduous trees, especially on the apple. P. spectabilis Fr. is occasionally parasitic on oaks. P. mutabilis (Scha.) Quel, is a root parasite on trees. P. adiposa Fries. Cap mediiun, 5-10 cm. wide, yellow, very sticky when moist, with spread- ing or erect rust-brown scales which Fig. 320.âPsiiocybe pennata. sometimes disappear when old, convex After Cooke. ^^ pj^^^^^. ^^^^ ^^^ ^^ ^^ j_2 cm., yellow, paler above and darker, scaly below the more or less im- perfect tufted ring, solid or stuffed; gills adnate, yellowish to rust- colored, broad, crowded; spores rust-colored, elliptic, 7-8 x 5 ju. The name may refer to the sticky cap. Chiefly a saprophyte, occasionally on living trees, both decid- uous trees and conifers, as a wound parasite. P. destruens Brand, occurs on poplar; P. cervinus Scha. on various trees. Flammula Fries (p. 449) Pileus fleshy, margin at first incurved; stipe fleshy, fibrous, well marked by the bright yellow or orange colored cap. About sixty species. F. alnicola Fr. is probably a root ;" F. penetrans Fr. and F. spumosa Fr. are regarded by Cavara *â * as root parasites of forest trees. Volvaria Fries (p. 449) Fleshy; gills free, white, later pink; spores ellipsoid, smooth;. 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 Stevens, Frank Lincoln, 1871-1934. New York : Macmillan


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectfungi, bookyear1913