Coprinus 
Pileus campanulate, 3,5 x 3 cm thin, striate, pruinose ex- 
cept on disc which is cinnamon brown shading to ochraceous tawny 
with still lighter margin, rery fragile; gills free broad, crowded 
edges pruinose, stipe white 6 cm hollow, rery fragile, silky fi- 
brous 
dead stumps, quite common at Rancho Redondo 
Specimen examined: 
Costa Rica: San Jose, Rancho Redondo 2300 m Dodge& Thomas 5388 
