Pleurotus 
Omphalia 
Wholly white ;.c4espitQse>>if)llei umhilicate to infunbibdli- 
form or flabelliform; stipe varying from completely lateral to 
nearly central; glabrous „ subnit id, but not viscid.; flesh thin; 
gills decurrent y very crowded and very narrow , white; stipe loom, 
by 1.5-2 mm.^tapering downward. 
Dead wood in forest . 
Specimens examined: 
Costa Rica, Cartago„N .W. slope of Carpintera, Alt. 1550 m., 
Dodge & Thomas 4809 
