•264 STUDIES OF AMERICAN FUNGI. 



Gills dissolving into a gelatinous or powdery condition, not 



diftluent as in Coprinus Bolbitius. . . 163 



7— Stipe flesiiy 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 1 1 



II— Margin of pileus inflexed Naucoria. . . 153 



Margin of pileus straight, from the first Galera. ... 155 



No species of Pluteolus are here described. 



THE ROSY-SPORED AGARICS. 



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



Stipe central 1 



Stipe eccentric or none and pileus lateral Ciaudopus. 149 



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



Pileus confluent with the stipe and of the same te.xture, 



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 s 



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 



I —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 Hypholoraa. . . 26 



4— Stipe tenaceous, margin of pileus first incurved 5 



Stipe fragile, margin of pileus at first straight Psathyra. 



