Tricholoma unifactum Peck 1906

Melanoleuca unifacta (Peck) Murrill
Tricholoma unif actum Peck, Bull. N. Y. State Mus. 105: 36. 1906.
Pileus fleshy but thin, convex, often irregular, sometimes eccentric because of its closely cespitose mode of growth, 2.5-5 cm. broad; surface whitish; context tender, whitish, taste mild, odor not decided; lamellae thin, narrow, close, rounded behind, slightly adnexed, sometimes forked near the base, white; spores hyaline, subglobose, 4-5 /*; stipes equal or thicker at the base, solid, fibrous, white, united at the base in a large fleshy mass, 2.5-5 cm. long, 6-10 mm. thick.
Type locality: Horicon, Warren County, New York. Habitat : Under hemlock trees. Distribution: Known only from the type locality.