Leptoniella glabra Murrill 1917

Leptoniella glabra Murrill, sp. nov
Pileus very thin, convex to plane, not umbonate, solitary, 2 cm. broad; surface smooth, glabrous, not viscid, uniformly dull-avellaneous, striate, with a satiny luster, margin entire, concolorous, incurved; context exceedingly thin; lamellae adnexed, narrow, ventricose, inserted, subdistant, entire on the edges, grayish-white to salmon-colored; spores subglobose, angular, apiculate, uniguttulate, rose-colored, 6-8 /x; stipe slightly eccentric, slender, equal, smooth, glabrous, grayish-white, 2-3 cm. long, 1 mm. thick.
Type collected on dead wood at Camp Sebec, on the north shore of Sebec Lake, Piscataquis County, Maine, September 16, 17, 1905, W. A. Murrill (herb. N. Y. Bot. Gard ) Distribution: Known only from the type locality.