Cap 25-75 (-1 15) mm broad, convex to plano-convex, irregularly undulate, margin wavy, nonstriate, glabrous, hygrophanous, brown to reddish brown fading to light brown, cinnamon brown, or grayish orange. Gillss adnate, close to crowded, broad, pinkish buff. Stem 20-80x 5-15 mm, cylindrical, fibrous, striate, glabrous, white, with or without white rhizoids. Odor strongly fungal; taste sour to bitter. Spore Deposit white to pale pinkish buff. Edibility: unknown.