Coliybla , Similar to purple-brown- spored. (painted # 
But surface wholly chalky-white; gills lighter, adnatejst 
stipe pure white not darkening where bruised; umbonate, cream 
on disc; stipe hollow, very fragile. 
On rotting wood. 
Specimens examined; 
Costa Rica, Cartago, Tres Rios, Alt. 1300, Dodge & Thomas 47^1 
