312 STUDIES OF AMERICAN FUNGI. 



1 Gills more or less deliquescing, or pileus thin, membranous 

 and splitting between the laminse of the gills and be- 

 coming more or less plicate Coprinus. . . 32 



Gills not deliquescing, etc 2 



2 Spores globose, ovoid 3 



Spores elongate, fusiform (in some species brown), plants 



with a slimy envelope Gomphidius. . 49 



3 Pileus somewhat fleshy, not striate, projecting beyond the 

 gills at the margin ; gills variegated in color from 



groups of dark spores on the surface 4 



Pileus somewhat fleshy, margin striate, gills not varie- 

 gated Psathyrella. . 48 



4 Annuius wanting, but veil often present Panseolus. . . 45 



Annulus wanting, veil appendiculate on margin of cap. . Chalymotta. . 48 

 Annuius present Anellaria. 



