4) THIRTIETH REPORT ON THE STATE MUSEUM. 
AGARICUS (PSILOCYBE) LIMOPHILUS 7. sp. 
Pileus thin, convex, then expanded, fragile, atomaceous, 
radiately rugulose, whitish, often splitting on the margin and 
sometimes cracking into areas; lamellez rather broad, loose, 
whitish or pallid, then purplish brown ; stem equal, striate and 
slightly mealy at the top, hollow, short, white; spores ellip- 
tical, .0004’—.0005’ long, .0002—.00025' broad. 
Muddy alluvial soil under willows. Green Island. Sep- 
tember. : 
It is related to A. incertus Pk., but the veil is less developed, 
the lamellee are more distant and the spores are larger. 
AGARICUS (PSILOCYBE) ARENULINUS 2. sp. 
Pileus convex, then expanded, plane or centrally depressed, 
glabrous, hygrophanous, dark livid-brown and coarsely stri- 
atulate when moist, livid-white when dry ; lamelle close, cin- 
namon-brown, becoming darker with age; stem slightly taper- 
ing upward, hollow, whitish; spores subelliptical, .0004' long. 
Plant 1.52.5’ high, pileus 6’-16" broad, stem 1” thick. 
Sandy soil. West Albany. September. 
When moist the pileus has a peculiar radiate appearance as 
if distantly striate. Large individuals have the margin of the 
pileus uneven and irregularly striate. A mass of sand usually 
adheres to the base of the stem. 
AGARICUS (PSATHYRA) POLYTRICHOPHILUS 2. Sp. 
Pileus thin, convex or subcampanulate, glabrous rather 
fragile, sometimes with a slight umbo, hygrophanous, striatu- 
late and brown when moist, dull ochraceous or buff when dry, 
somewhat shining ; lamelle plane and adnate or slightly arcu- 
ate and decurrent, broad, subdistant, colored almost like the 
pileus; stem slender, equal, subflexuous, slightly whitish- 
fibrillose, especially toward the base, mealy at the top, concol- 
orous, containing a whitish pith; spores purple-brown, subel- 
liptical, .0003' long, .0002’ broad.- 
Plant gregarious, odorous, 1-2’ high, pileus 2’-5’ broad. 
eeraynd among Polytrichum. Oneida. Warne. West Albany. 
ay. 
AGARICUS (PSATHYRELLA) GRACILOIDES 7. sp. - (Plate 1, figs. 
1-4.) 
Pileus thin, conical or campanulate, glabrous, hygrophanous, 
brown and striatulate when moist, whitish and subrugulose 
