58 TWENTY-SIXTH REPORT ON THE STATE MUSEUM. 
Agarious (Navcorta) BELLULUs Peck. 
Pileus thin, moist, convex, smooth, bright watery-cinnamon ; 
lamelle crowded, narrow, emarginate, yellow, becoming darker 
with age; stem equal, hollow, generally curved, smooth, reddish- 
brown ; spores .0002 x .00014 in. 
Plant 1’ high, pileus 6-12" broad. 
Decaying hemlock trunks in woods. Lowville and Sandlake. 
September. 
t is sometimes ceespitose. It is rare to find a specimen in which 
the lamellze do not have a stained or spotted appearance as if bit- 
ten by some small insect. 
Agaricus (Navcorta) GeEMINELLUS Peck. 
Pileus convex, even, dry, firm, yellowish-red, the margin paler ; 
lamellz crowded, emarginate, pale yellow; stem equal, smooth, 
containing a white pith or a small cavity, colored like the pileus ; 
flesh white ; spores .00033 x .0002 in. 
Rotten wood. Croghan. September. 
This plant is closely related to the preceding one, being of the 
same size and habit, but differing in color and in the size of the 
spores. As in that species the lamellee are spotted as if bitten by 
insects. 
Agaricus (Navcorts) piscomorsipus Peck. 
Pileus thin, convex or expanded, smooth, slightly viscid, reddish- 
brown or dull chestnut color; lamelle narrow, crowded, minutely 
serrulate, white or pallid, then brownish; stem equal, stuffed, 
smooth, slightly mealy. at the top, white; flesh white; spores 
nucleate, .0004 x .00025 in. 
Plant 2'-3' high, pileus 11.5: broad, stem 1"—2" thick. 
Ground in woods. Oroghan and Copake. September and 
October. 
In the dried specimens the disk has a dark discolored appear- 
ance as if beginning to decay, whence the specific uname. 
Agaricus (GaLERA) Expansus Peck. 
Pileus submembranaceous, expanded or centrally depressed, 
viscid, plicate-striate on the margin, brownish-ochre, sometimes 
tinged with yellow and pink hues; lamell close, attached, ferru- 
ginous; stem long, equal, hollow, slightly pruinose, faintly striate, 
yellow ; spores .00045 x .00028 in. 
Plant 3'-4' high, pileus 1 broad, stem 1” thick. 
Decaying wood. Sandlake and Memphis. August. 
