Simocybe serrulata (Murrill) Singer 1962

Naucoria serrulata Murrill, sp. nov
Pileus convex to subexpanded, gregarious, 2-2.5 cm. broad; surface smooth, glabrous, hygrophanous, very uniform in color, umbrinous-fulvous, finely striate, margin entire, concolorous; context with mild taste; lamellae adnate, sometimes separating with age, rather crowded, broad, plane, umbrinous-avellaneous, grayish and minutely serrulate on the edges; spores ellipsoid, smooth, pale-yellowish under the microscope, 8-9 X 5-6 m; stipe short, subequal, smooth, glabrous, pallid or somewhat umbrinous, 2-2.5 cm. long, 2 mm. thick.
Type collected on a dead beech log in woods at Lake Placid, Adirondack Mountains, New York, July 17-29, 1912, W. A. & Edna L. Murrill 13 (herb. N. Y. Bot. Gard.). Habitat: On dead logs in woods. Distribution: Vicinity of Lake Placid, Adirondack Mountains, New York.