Psalliot Fileus convex, expanded, smooth or innate fibrillose scaly, o ochraceous buff shading to warm buff margin smooth, inrolled, slightly appendiculate; gills free, purple brown broad, close; stipe 4.5 cm x 6-9 mm tapering downward, pulverulent-furfuraceous, warm buff below ring, smooth, white above; volva absent; ring single, broad, thick, finally collapsing about the stipe An decaying grasses and dung in potrero Specimens examined: Guanacaste: Santamaria 680 m, Dodge & Thomas 6957