REPORT OF THE BOTANIST. 73 
In woods and open places. August. October. Common. 
A. variable species. ar. Carcharius Pers. has the pileus 
white and the granules darker, or almost black. Catskill 
Mountains. 
Var. amianthinus Scop. has the pileus generally umbo- 
nate, with the margin at first scalloped or crenate, and the 
stem elongated. In mossy places in woods. North Elba. 
The prevailing color of the pileus is a bright ochraceous 
yellow. The stem is generally colored like the pileus. 
7). Subgenus— Armillaria. 
Veil partial, annular. Hymenophorum confluent with the 
stem.—Berk. Outl. 
As yet we have found but a single species of this subgenus. 
*16. AGARICUS MELLEUS Vahl. 
Pileus fleshy, expanded, sprinkled with minute, erect, 
hair-like scales, dull honey color; lamellz rather broad, 
whitish, slightly sinuate at the inner extremity and sub- 
decurrent; stipe nearly equal, whitish, fibrous, rarely squa- 
mose, solid, annulate. 
Height 3’-6’, breadth of pileus1’-4’". | 
Ground in woods and in pastures. August—October. 
Common. 
A variable species, deemed edible, but having an acrid 
nauseous taste when raw. 
A large solitary form, of a darker color, and with the 
margin striate when moist, occurs in woods; a céespitose 
form grows in cleared land about the roots of stumps; and 
a smaller more yellow form is gregarious in grassy places. 
Subgenus — Tricholoma. 
Stem fleshy ; gills with a sinus behind. Veil obsolete, or, if 
present, floccose, and adhering to the margin of the pileus. 
—Berk. Outl. 
The species of this subgenus are mostly easily recognizable 
by their stout fleshy appearance and emarginate lamelle. 
The pileus may be viscid, moist, or dry and scaly. Nearly 
7 the species grow on the ground. The stem is never annu- 
ate. 
SYNOPSIS OF THE SPECIES. 
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[Assem. No. 133.] 10 
