Psathyra Pileus broad, conical 3.5-4 cm, hygrophanous, margin striate, brownish olive disc shading to chamois margin; gills adnate, crowded, medium, wood brown; stipe white, sparsely pruinose, 6 cm x 4 mm fragile catilaginous Decaying leaves in virgin forest Costa Rica: Limon, Waldeck 40 m, Dodge 7276