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Agaricus (Pluteus) granularis, Peck. 
Pileus convex or expanded, subumbonate, rugose-wrinkled, sprinkled with 
minute blackish granules, varying in color from yellow to brown; lamellae 
rather broad, close, ventricose, free, whitish, then flesh-colored ; stem equal, 
solid, pallid or brown, usually paler at the top, velvety, with a short close 
plush ; spores subglobose, about .0002' in diameter. 
Plant 2-3’ high, pileus 1-2’ broad, stem 1’-2” thick. 
Old logs in woods. Pine Hill and Worcester. . July. 
The granules form a sort of plush which is more dense on the 
disk of the pileus and its wrinkles than on the margin. 
Agaricus (Entoloma) cyaneus, Peck. 
Pileus convex, dry, minutely scaly, brown or brownish-violaceus ; lamellae 
whitish, then tinged with flesh color; stem subequal, hollow, scaly and viola- 
ceous toward the top ; spores angular, .00033’ x 00025’. 
Plant 2’ high, pileus 1’-1.5' broad, stem 1” thick. 
Decaying wood and old mossy trunks in woods. Pine Hill and 
Worcester. June and July. 
Agaricus (Leptonia) foliomarginatus, Peck. 
Pileus convex, umbilicate, scabrous on the disk, bluish-brown, the disk a 
little darker; lamellae broad, subdistant, plane, whitish, then flesh-colored, 
the edge entire and colored like the pileus; stem smooth, equal, solid below, 
with a small cavity above, concolorous. 
Plant 1'-2' high, pileus 6’-10” broad, stem .5” thick, 
' Ground and decaying wood in groves. Maryland. July. 
Agaricus (Nolanea) fuscofolius, Peck. 
Pileus thin, conical or campanulate, papillate, smooth, hygrophanous, dark 
brown and striatulate when moist, grayish-brown and shining when dry ; 
lamellae ascending, narrowed toward each end, brown; stem equal, stuffed, 
smooth, concolorous, with a white mycelium at the base; spores irregular, 
nucleate, .00083' x .00025'. 
Plant 1' high, pileus 3’-6” broad, stem 5” thick. 
In woods on old logs. Maryland. July. 
Agaricus (Pholiota) albocrenulatus, Peck. 
Pileus fleshy, firm, convex or campanulate, subumbonate, viscid, rough with 
dark-brown or blackish floccose scales, yellowish-brown ; lamellae broad, sub- 
distant, emarginate, white crenulate on the edge, grayish, then ferruginous; 
BUL. BUF. SOC. NAT. SCI. (7) JULY, 1873. 
