Pleurotus. 
Pileus f label 11 form, thin, 4 # 2.5 cm., disc drab, shading 
to cartridge- buff; gills very narrow, crowded not decurrent 
along point of attachment; stipe 2 mm. long# 5 mm. wide, white, 
spongy ,tomentose , lateral. 
Log in potrero. 
Specimens examined: 
Costa Rica, San Jose, Rancho Redondo, Alt. 2300 m., Dodge & Thomas. 
5220 
