Rus.au.lae 
P ileus 2 cm. expanded , disc depressed, Prouts Iromj, 
striate, sulcate to disc., warm turf, pellicle not seperable; 
flesh thin; taste very slightly 1 slowly acrid; gills oroaa, 
close, white, stained brownish; stipe ventricose to sMMusit'orm, 
2.5 cm. # 4 mm. above, 7 mm. middle, 5 mm. .below wihite, stain- 
ing Saccardo 1 s umber on handling. 
Mo s sy bank . 
Specimens examined: 
Costa Rica, San Jose, Rancho Redondo, Alt. 
ibt/ iv/a>S 
2500- 2400m, Dodge 5146 
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