Psathyrella kellermanii (Peck) Singer 1959

Galerula kellermani (Peck) Murrill
Galera Kellermani Peck, Jour. Myc. 12: 148. 1906.
Pileus very thin, subovoid or subconic, soon becoming plane or nearly so, gregarious or subcespitose, 2-3 cm. broad; surface striatulate nearly to the center and watery-brown when moist, grayish-brown when dry, a little darker at the center, minutely granulose or mealy and often with a few scattered, floccose squamules when young, unpolished when mature; margin more or less wavy and persistently striate when dry, sometimes slightly appendiculate and appearing as though slightly notched by the projecting ends of the lamellae; context having a slight taste and a faint odor, like that of decaying wood; lamellae thin, crowded, adnate, delicate cinnamon-brown, becoming darker with age; spores brownish-ferruginous, with a faint pinkish tint in mass, 8-12 X 6-7 ix] stipe slender, equal or slightly tapering upward, finely striate, minutely scurfy or mealy, at least when young, hollow, white, 2.5-4 cm. long, 1-2 mm. thick.
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Type locality: Columbus, Ohio. Habitat: On the ground in a greenhouse. Distribution : Known only from the type locality.