Psathyra. 
Psilocybe 
Pileus expanded, hygrophanous , disc buff, smooth, margin 
substriate, dirty white; gills adnate, purple-brown, elose; stipe 
hollow, cartilaginous, white, silky with a few brown, reticulate 
hairs. 
Specimens examined '• 
Costa Rica, Limori, above Rio Siquirres, Alt, 180m,, Catt, Dodge 
& Thomas 
5593 
