3 4 
Mycena 
Marasmius 
Pileus convex, 3 cm, sulcate striate, silky avellaneous; gills 
distant, "broad, adnexed, white; stipe fragile, white becoming are- 
llaneous where handled, 4 cm x 1.5 mm 
Mossy log 
Specimens examined : 
Costa Rica: San Jose, Rancho Redondo && Dodge & Thomas 
5361 
