Cap: 1-4 cm; conical at first, becoming broadly bell-shaped or broadly convex; dry; silky or almost smooth; whitish; the margin often splitting when mature.
Gills: Attached to the stem, sometimes by a notch; close; whitish, becoming grayish brown and eventually medium brown; covered at first by a cob-webby white cortina.
Stem: 1-6 cm long; up to about .5 cm thick; more or less equal; dry; silky; whitish; fairly firm.
Flesh: Whitish; insubstantial.
Odor: Spermatic or sometimes not distinctive.
Chemical Reactions: KOH on cap surface negative.
Spore Print: Dull brown.
Microscopic Features: Spores 8-10 × 4.5-6 µ; more or less elliptical; smooth. Cystidia up to 70 × 20 µ; fusoid or fusoid-ventricose, often with a flattened apex; abundant; thick-walled; apically encrusted.