Panaeolus 
"huffy "brown 
rileus hemisphericl6mm, subsulcale, innate fibrillose, margins 
inrolled with appendiculate remains of veil; gills "black with white 
edges, stipe slender hollow, minutely furfuraceous, drab 
On very old cow dung? 
Specimens examined 
Costa, Rica: Car tago , ^oliblanco on south slope of volcano Turrialba 
Dodge & Thomas 4644 
