Clitocybe albiformis Murrill 1913

Clitocybe albiformis Murrill, Mycologia 5: 206. 1913
Pileus thick, firra, convex, cespitose, 5-9 cm. broad; surface nearly smooth, dry, glabrous, white, slightly cremeous at the center, margin entire, concolorous, strongly inflexed on drying: context thick, white, with the odor and taste of the ordinary field mushroom; lamellae distinctly decurrent, rather broad and crowded, several times inserted, plane or arcuate : spores globose or subglobose, smooth, hyaline, 4^6 /x: stipe cylindric to ventricose, tapering upward at times, white, solid, slightly fibrillose below, finely tomentose above, 9-16 cm. long, 1-2.5 cm. thick.
Type locality : Searsville Lake, California. Habitat: In humus in woods. Distribution: Washington and California.