Cap: 2-4.5 cm; convex, broadly conical, broadly bell-shaped, or nearly flat at maturity; bald; the margin finely lined; medium yellow-brown, fading markedly as it dries out to brownish buff; when young with wisps of veil tissue, especially along the margin.
Gills: Attached to the stem; close or nearly distant; whitish to pale brownish at first, becoming dark brown.
Stem: 3-10 cm long; up to 5 mm thick; equal; fragile; white but often discoloring dirty yellowish to brownish in the middle with maturity; bald or very finely silky; without a ring.
Flesh: Thin; fragile; brownish.
Odor and Taste: Not distinctive.
Chemical Reactions: KOH on cap surface at first negative but turning purplish after 60-90 seconds.
Spore Print: Dark brown.
Microscopic Features: Spores 7.5-9.5 × 4-5.5 µ; ellipsoid; with a pore; smooth; dark brown in KOH. Pleurocystidia fusoid-ventricose; thin-walled; to about 70 × 15 µ. Cheilocystidia subfusiform; infrequent; thin-walled. Sphaeropedunculate elements on gill edge abundant; subglobose, without apical necks. Pileipellis hymeniform/cellular.