80) TWENTY-THIRD REPORT ON THE STATE CABINET. 
Grows in dense tufts of individuals of various sizes, on old 
logs in woods. Adirondack Mountains. August. 
The disk is clouded with brown. The plant becomes dark 
colored in drying. 
36. AGARICUS STIPITARIUS /’77. 
Pileus thin, submembranaceous, convex or expanded, um- 
bilicate, minutely scaly; lamelle rather broad, separating 
from the stem, white; stipe tough, hollow, hairy-fibrillose, 
slender. 
Height 1’-2’, breadth of pileus 3’-6”. 
On twigs, etc., under trees. Knowersville and Sandlake. 
July and August. 
Sometimes a minute papilla is visible in the center of the 
umbilicus. In dry weather the pileus withers, appears 
thickly coated with tawny fibrous scales, and is sometimes 
eed below the apex and a little striated or fur- 
rowed. 
37. AGARICUS CIRRHATUS Schum. 
Pileus thin, expanded, umbilicate or slightly depressed, 
white or grayish, with a faint reddish tinge; lamellae very 
narrow, crowded, white, attached to the stem ; stipe very slen- 
der, whitish, subflexuous, hollow, generally with little yellow- 
ish tubers at the base. 
Height about 1’, breadth of pileus 1-4”. 
On decaying vegetable matter in woods and open places. 
Common. June-—September. 
38. AGARICUS TUBEROSUS Bull. 
Closely related to the preceding, having the same size and 
color, but the pileus umbonate, and the tubers of a bay 
or brownish color. Poughkeepsie. Gerard. Knowersville. 
June. 
Less common than the preceding. The last three species 
are easily preserved, and appear to be related to the Mar- 
asmit. 
Subgenus — Mycena. 
Stem externally cartilaginous. Margin of pileus (which 1s 
mostly campanulate) at first straight and pressed to the 
' stem.—Lerk. Outl. 
The species are allsmall, slender, having the pileus thin, gen- 
erally striate or striatulate, smooth, or only clothed with a few 
silky fibres, obtusely conical or bell-shaped. The lamelle are 
seldom crowded, not strictly decurrent, but often uncinate and 
