310 STUDIES OF AMERICAN FUNGI. 



Gills dissolving into a gelatinous or powdery condition, not 



diffluent as in Coprinus Bolbitius. . 163 



7 Stipe fleshy 8 



Stipe cartilaginous or sub-cartilaginous 10 



8 Gills somewhat sinuate 9 



Gills adnate or decurrent Flammula. 156 



9 Cuticle of the pileus silky or bearing fibrils Inocybe. 158 



Cuticle of pileus smooth, viscid Hebeloma. 157 



10 Gills decurrent Tubaria. . 159 



Gills not decurrent 11 



11 Margin of pileus inflexed . . Naucoria. 153 



Margin of pileus straight, from the first (ialera. . 155 



No species of Pluteolus are here described. 



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. 138 



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



Stipe cartilaginous 5 



4 Gills sinuate Entoloma. 143 



Gills decurrent Clitopilus. 142 



5 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. 31 



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. 



