40 TWENTY-NINTH REPORT ON THE STATE MUSEUM. 
Acarticus (PSALLIOTA) PLACOMYCES 7. 87). 
Pileus rather thin, expanded, plane, dry, squamulose, whitish, the 
disk and small scales brown ; lamellze close, free, white, then pinkish, 
finally blackish-brown ; stem smooth, containing a small pith, slightly 
tapering upward, bulbous, whitish, the bulb stained with yellow and 
usually giving rise to one or two root-like processes; annulus large, 
flabby, often studded with drops of a dark-colored fluid ; spores ellip- 
tical, brown, .00018’-.0002' long. 
Plant 3-5’ high, pileus 2'-3' broad, stem 2’—4" thick. 
Ground under hemlock trees. Oneida. H. A. Warne. Knowers- 
ville. July. 
This is a beautiful Agaric, the flattened pileus being finely adorned 
by the minute brown scales. 
Agaricus (HyPHOLOMA) SQUALIDELLUS 7. sp. 
Pileus thin, subconical, convex or subcampanulate, expanded when 
old, smooth, hygrophanous, ochraceous-yellow when dry, darker and 
striatulate when moist, squalid and spore-stained when old; lamelle 
broad, lax, rounded behind, whitish, then purplish-brown with a 
whitish edge; stem slender, stuffed, fibrous, subflexuous, reddish- 
brown ; spores elliptical, purple-brown, .00035’—.0004’ long. 
Plant gregarious, 1’—2’high, pileus 6’-12” broad, stem 1” thick. 
Damp ground in or near wood roads. Greig. September. 
A small form sometimes occurs with the pileus gibbous or broadly 
um bonate. 
Agaricus (PsILocyBE) ELONGATIPES ”. sp. 
Pileus thin, convex, then expanded, smooth, moist, yellow ; lamel- 
le subdistant, broad, plane, then ventricose, yellowish becoming 
brown, usually with the edge whitish ; stems elongated, subfragile, 
flexuous, equal, stuffed or hollow, usually with a few silky fibrils, 
pallid or rufous; spores brown, elliptical, .0004’—.0005’ long. 
Plant 3’-5’ high, pileus 6’-10” broad, stem 1” thick. 
Among sphagnum in marshes and wet places in woods. Greig. 
September. 
It appears to be allied to A. elongatus. When young the presence 
of a slight veil is manifest. 
Aaaricus (HyPHOLOMA) INCERTUS 2. sp. 
Pileus fragile, convex or subcampanulate, then expanded, hygro- 
phanous, often radiately-wrinkled, whitish with the disk yellowish, 
the thin margin sometimes purplish-tinted, often wavy, adorned by 
fragments of the white flocculent fugacious veil; lamellee close, nar- 
