G c p rinufioprinus 
Pileus campanulate with, heavy brwon t omentum, often ar- 
ranged. in pyramidal warts, rubbing off„ leaving smooth or prui- 
nose, shading from buck thorn- brown to warm -buff on the striate 
margin j 1 • 5 cm. diameter 1.8 cm. tall; flesh very thin; 
gills crowded, nearly freej widejmargin of pileus breaking awjiy 
from margin of bulb by elongation of stipe, which is fragile, 
2 cm. long,, 4 mm. diameter, white, silky. 
On log in potrero S. of house. 
Specimens examined: 
Costa Rica, San Jose, RAncho Redondo, Alt. 2l60-2180m. Dod^ & 
Thomas 5109 
