Collybia after 4810 Fileus 5 cm, flat then edges upturned, moist not viscid, deeply sulcate striate over gills, disc between mummy brown and dresden brown sha- ding [illegible] to light buff, semipellucid, margins; gills rather thick, edges eroded, white, adnate, broad; stipe cartilaginous hollow, 7 cm x 4-2 mm tapering downward, Sayal brown except 1 cm at apex which is white SanJosé, Santana, cañon R. Uruca, Dodge & Goerger 9-8-36