SYSTEMATIC INDEX. 



11 



Pileus violet or rufescent. 



6. DiFFORMES. Pileus fleshy in the disc, bnt 

 thin at the margin, at first nmbonate, 

 then expanded and depressed, irregular ; 

 gills unequally decurrent ; generally cces- 

 pitose. 



Ag. decastes, Fr. 



145. „ aggregatus, Schff. 



146. „ elixus, Soiv. 



147. „ fumosus, Pers. 



148. ,, tumulosus, Kalch. 



„ cryptarum, Letel. 



149. „ opacus, With. 



182 

 280 

 175. 

 105 



176 



Ikfundibuliformes. Pileus attenuated 

 from a fleshy disc towards the 

 margin, at length infundibuliform, or 

 deeply depr.'ssed in the centre. Gills 

 deeply and equally decurrent from 

 the first. 



Pileus coloured or grotoing pallid^ surface 

 innately Jlocculose or silky. 



