This is a very common plant, growing in the woods on branches and decayed wood, where it can be found in both winter and summer.
The pileus is thin, adnate behind, somewhat extended, more or less fan-shaped or kidney-shaped, simple, often much lobed, narrowed behind to the point of attachment; whitish, downy, then strigose.
The gills are radiating, gray, then brownish-purple, and sometimes white, branched, split along the edges and rather deeply rolled backwards. The spores are nearly round, 5–6µ.
This is a very common species all over the world. I found it in the winter of 1907 on decayed shade-trees along the streets of Chillicothe. It seems to be partial to maple timber. Some call this S. alneum. It is very easily identified from its purple gills being split.
Trogia. Fr.
Trogia is so called in honor of the Swiss botanist, Trog.
The pileus is nearly membranaceous, soft, quite tough, flaccid, dry, flexible, fibrillose, reviving when moist.
The gills are fold-like, venose, narrow, irregular, crisped.
Trogia crispa. Fr.
Crispa means crisp or curled. The pileus tough, cup-shaped, reflexed, lobed, villous, whitish or reddish toward the attachment, often tan-colored.