Pileus convex, then expanded, often irregular and wavy, umbonate, even, glabrous, bay, becoming pale, but not hygrophanous, 5-8 cm. across; flesh thin, whitish, flaccid; gills slightly adnexed, closely crowded, rather narrow, margin scarcely serrulate, white, then becoming spotted and stained with red; spores elliptical, 6-7 x 4 µ; stem 6-10 cm. long, about 1 cm. thick, becoming thinner upwards from the tomentose or downy base, twisted, sulcate or grooved, externally cartilaginous, pallid, fragile, spongy inside and soon becoming hollow.

Dannevirke, New Zealand. Europe.

On rotten trunks, heaps of leaves, &c.

Collybia fusipes somewhat resembles the present species, and might be mistaken for it on a superficial examination. It is, however, quite distinct in the broad distant gills connected by veins, the distinctly fusiform rooting stem, and in being more caespitose or tufted in habit.