Collybia Pileus expanded, cespitose up to 6 cm, irregularly gibbous, mars brown or russet on disc, hygrophanous, striate sulcate, color deeper over gills, margin irregular, sinuate white; flesh thin; gills ventricose, ad- nate with decurrent tooth, subdistant white; stipe white above, pale cinnamon pink below, pruinose toward base, up to 5 cm x 4 mm. Cespitose on very rotten log SanJosé, Guayabillos, m., Dodge & Goerger 7-10-36