ANALYTICAL KEYS. 311 



THE ROSY-SPORED AGARICS. 



(The spores are rose color, pink, flesh or salmon color.) 



Stipe central . i 



Stipe eccentric or none and pileus lateral Claudopus. . , 149 



1 Pileus easily separating from the stipe, gills free. ... 2 

 Pileus confluent with the stipe and of the same texture, 



gills attached, in some becoming almost free 3 



2 Volva present and distinct, annulus wanting Volvaria. . . 140 



Volva and annulus wanting Pluteus. . . . 13& 



3 Stipe fleshy to fibrous, margin of pileus at first incurved. 4 



Stipe cartilaginous 5 



4 Gills sinuate Entoloma. . 143 



Gills decurrent Clitopilus. , . 142 



S Gills not decurrent (or if so only by a minute tooth), easily 



separating from the stipe 6 



Gills decurrent, pileus umbilicate Eccilia. . . . 148, 



6 Pileus slightly convex, margin at first incurved Leptonia. . . 147 



Pileus bell-shaped, margin at first straight and pressed 



close against the stipe Nolanea. 



No species of Nolanea are described here. 



THE BROWN-SPORED AGARICS. 



(The spores are dark brown or purplish brown.) 

 Pileus easily separating from the stem ; gills usually free, i 

 Pileus continuous with the stem ; gills attached. ... 2 

 1 Volva wanting, annulus present. (Psalliota Fr.) . . . Agaricus. . . 18. 



Volva present, annulus wanting Chitonia. 



Volva and annulus wanting. Pilosace. 



2 Veil present 3 



Veil wanting or obsolete 4 



3 Annulus present, gills attached Stropharia. . . ^t 



Annulus wanting, veil remaining attached to margin of 



pileus. Hypholoma. . 26 



4 Stipe tenaceous, margin of pileus first incurved. . . . . 5 



Stipe fragile, margin of pileus at first straight Psathyra. 



S Gills sub-triangularly decurrent Deconica. 



Gills not decurrent Psilocybe. 



But few species of Psathyra, Deconica, Chitonia and Pilosace are noted frora^ 

 the United States. None are here described. 



THE BLACK-SPORED AGARICS. 



Pileus present to which the gills are attached i 



Pileus wanting, gills attached to a disk at apex of stem 

 from which they radiate Montagnites.*- 



(* One American species in Texas.) 



