Lentinus orizabensis Murrill 1915

Lentinus orizabensis Murrill, sp. nov
Pileus minute, convex, umbilicate, solitary, 5-8 mm. broad; surface glabrous, smooth, white tinged with yellow, margin concolorous, entire to lobed, involute: lamellae several times inserted, narrow, distant, adnate to somewhat decurrent, ochraceous-isabelline, the edges entire: stipe short, thick, milk-white, smooth, pruinose, central or slightly eccentric, subequal, about 3 mm. long and 1.5 mm. thick.
Type collected on a dead fallen banana leaf in an orchard at Orizaba, Mexico, January 10-14, 1910, W. A. b' Edna L. Murrill 813 (herb. N. Y. Bot. Gard.). Distribution: Known only from the type locality.