88 THIRTY-EIGHTH REPORT ON THE STATE MUSEUM. 
A very small species, related to A. paludinellus, from which it differs 
in its smaller size, shape of the spores and brighter colors of the 
pileus. 
Agaricus (Hebeloma) sordidulus, z. sp. 
Pileus thin, rather firm, convex, viscid when moist, dingy brownish- 
red or tawny-brown, paler or whitish on the margin, flesh white, with 
a radish-like odor ; lamellz broad, close, rounded behind, slightly ad- 
nexed, pallid, then brownish-ochraceous; stem short, equal, stuffed or 
hollow, slightly fibrillose, white, pruinose at the apex; spores subellip- 
tical, .o005 to .o0055 in. long, .coo25 to .c0028 broad. 
Sandy soil, in open places. Karnet. Oct. 
Plant about 1 inch high, pileus 8 to 15 lines broad, stem 1.5 to 2 lines 
thick. 
A small species, belonging to the section PusILut. 
Agaricus (Hebeloma) parvifructus, 7. sp. 
Pileus convex, then expanded, slightly viscid, dingy-white, becoming 
grayish-brown or pale-chestnut colored with age, often paler on the 
margin ; lamellz broad, moderately close, slightly emarginate, at first 
white, then brownish-ochraceous; stem equal, silky-fibrillose, solid, 
whitish, stained with ferruginose or brown toward the base, prumose and 
substriate at the apex ; spores brownish-ochraceous, .o0025 to .co028 
in. long, .o0016 to .coo18 broad; veil white, arachnoid. 
Plant three to four inches high, pileus two to three inches broad, 
stem three to five lines thick. 
Sandy soil in pine woods. West Albany. Oct. 
The spores of this plant are smaller than usual in species of this sub- 
genus, and this character has suggested the specific name. The lamellz 
are at first concealed by the copious, webby filaments of the veil. The 
species belongs to the section INDUSIATI. 
Agaricus (Hypholoma) madeodiscts, 7. sp. 
Pileus thin, convex, becoming nearly plane, hygrophanous, pale 
chestnut or reddish brown when moist, grayish-tawny or pale-ochraceous 
and rugose on the disk when dry, the margin, when young, slightly. 
silky-fibrillose ; lamella close, slightly emarginate, whitish, then brown ; 
stem equal or slightly thickened at the base, hollow, white, sub-silky ; 
spores brown, elliptical, .00035 to .oo04 in. long, .o0025 broad. 
Plant 2 to 3 inches high, pileus 1 to 2 inches broad, stem 2 to 3 
lines thick. 
Decaying wood in wet places. Adirondack mountains. June. 
This species differs from A. appendiculatus, its nearest ally, by its 
larger size, less rugose pileus and larger spores. Also, it is unlike that 
species in parting with the moisture of the margin of the pileus first, 
the disk retaining it some time, a character which is suggestive of the 
specific name. I have not seen the plant growing in tufts. The veilis 
whitish and very delicate, and at first conceals the lamelle from view. 
It at length adheres in fragments to the margin of the pileus. 
