Russula 
33 
Pileilarge, old, distorted about 18 cm diarn, black rimose areola te 
ondisc, smooll^o margin, flesh thick, now sorghum brown; gills thick, 
fragile, adnate, white with black edge, subdistant, darkening; stipe 
smooth, sorghum brown 5 cm long 5 ,5 cm thick 
Grassy hillside under querciB 
Specimens examined 
Costa Rica: San Jose, Rancho Redondo, Dodge & Thomas 2250 m 
