REPORT OF THE BOTANIST. 89 
lamelle rather narrow and close, tapering toward cach end 
decurrent, whitish, becoming tinged with flesh-color; stipe 
short, subequal. solid, concolorous, often eccentric. 
Height 2’- 3’, breadth of pileus 2'-4’, stipe 3’—6” thick. 
Ground in groves and open places. Often czespitose. Al- 
bany and Catskill. October. Edible. 
66. AGARICUS NOVEBORACENSIS 7. sp. 
Pileus fleshy, thin, convex, then expanded or slightly de- 
pressed, with the margin decurved, dingy white, the surface 
cracking into areas or concentrically rivulose, sometimes 
obscurely zonate ; lamelle close, narrow, long-decurrent, some 
of them forked, white, at length dingy, tinged with yellow or 
flesh-color ; stipe concolorous with the pileus, equal, solid, 
smooth, with white mycelium and brittle branching white 
rootlets. | 
Height 1’-2’, breadth of pileus 1’—2’, stipe 1-2” thick. 
In woods and pastures. North Elba and Albany. <Au- 
gust—October. 
Gregarious or subcespitose. Odor of new meal; taste very 
bitter; spores globose, pale flesh-colored. 
Subgenus— Leptonia. 
Stem with a cartilaginous bark. Margin of pileus at first 
incurved ; gills separating from the stem.—Berk. Outi. 
67. AGARICUS SERRULATUS Pers. 
Pileus thin, submembranaceous, convex, umbilicate, squam- 
ulose or streaked with dark fibrils, color various, grayish-brown, 
cinereous, etc.; lamellee not crowded, attached to but easily 
separating from the stem, pale flesh-colored, the edge blackish 
and serrulate; stipe equal, smooth, hollow, mostly a little 
paler than the pileus. 
Height 1’-1.5’, breadth of pileus 6 -12”. 
Banks by the roadside. North Elba. September. 
Easily known by the dark-colored serrulate edge of the 
lamelle. 
Series 3— DERMINI. 
Spores ferruginous, sometimes tawny or brownish. 
The spores in this series are not as uniform in color as in the 
foregoing ones. ‘They must be carefully observed in connection 
with the veil and other parts, that the species be not confused 
with those of the genus Cortinarius. 
Subgenus — Pholiota. 
Stem furnished with a ring.— Berk. Out. 
[Assem. No. 133.] 12. 
