Part 3, 1917] AGARICACEAE 191 
3. Mycena pulchrifolia (Peck) Murrill. 
Coprinus pulchrifolius Peck, Ann. Rep. N. Y. State Mus. 29: 41. 1878. 
Pileus membranous, conic or campanulate, solitary, 1.2-2.5 cm. broad; surface striate to 
the small, even, yellowish disk, cinereous, sprinkled with minute, whitish scales or granules; 
lamellae narrow, crowded, free, cinnamon-brown, often furnished with a few minute, hyaline, 
spine-like processes; spores ellipsoid, brown with a slight rosy tint, 7.5 » long; stipe slender, 
fragile, hollow, white, 5-7.5 cm. long, scarcely 2 mm. thick. 
TYPE LOCALITY: Greig, New York. 
Hapirat: On the ground in woods. 
DISTRIBUTION: New York and Ohio. 
4. Mycena nobilis (Peck) Murrill. 
Bolbitius nobilis Peck, Ann. Rep. N. Y. State Mus. 24: 71. 1872. 
Pileus thin, fleshy on the disk, ovoid, becoming campanulate, cespitose, 2.5 cm. broad; 
surface smooth, plicate-striate, pale-yellow, the disk tinged with red, margin at length recurved 
and splitting; lamellae subdistant, tapering outwardly, attached, the alternate ones more 
narrow, pale-yellow, darker on the edges; stipe long, equal, smooth, hollow, white, striate at 
the apex, 7.5-12.5 cm. long, 2 mm. thick. 
TYPE LocaLity: Greig, New York. 
Hasirat: On the ground in woods. 
DISTRIBUTION: Known only from the type locality. 
InLustrRaTions: Ann. Rep. N. Y. State Mus. 24: 1, 2, f. 1-4. 
5. Mycena macrorrhiza (Berk. & Mont.) Murrill. 
Bolbitius macrorrhizus Berk. & Mont.; Mont. Syll. Crypt. 133. 1856. 
Pileus convex, depressed at the center or umbonate, fleshy, 2 cm. broad; surface viscid, 
rough when dry, blue to rose-colored: lamellae long-decurrent, attenuate, yellow or vitelline; 
spores oblong, 12-13 » long; stipe cartilaginous, rosy, stuffed, long-radicate, 10 cm. long. 
TYPE LOCALITY: Columbus, Ohio. 
Hasitat: On the ground. 
DistRIBUTION: Known only from the type locality. 
6. Mycena gloiocyanea (Atk.) Murrill. 
Bolbitius gloiocyaneus Atk. Ann. Myc. 6: 54. 1908. 
Pileus conic, expanding to revolute, 2-5 cm. broad; surface wrinkled, exceedingly viscid 
in all stages, bluish-green with dark-brown center when young, varying much in dark-green 
and blue-green colors but bright-brown in age, margin striate when young; spores ellipsoid, 
smooth, ochraceous, 8-10 X 5-6 y; stipe viscid, concolorous. 
‘Tyre LocaLity: Storrs, Connecticut. — 
HagzitaT: On old sawdust, chips, or sticks. . 
DIstRIBUTION: Maine, Vermont, and Connecticut. 
7. Mycena variicolor (Atk.) Murrill. 
Bolbitius variicolor Atk. Stud. Am. Fungi 164. 1900. 
Pileus ovoid to conic when young, becoming convex, then expanded, and finally with a 
broad umbo, solitary, 2-4 cm. broad; surface very viscid when young, with the pellicle easily 
separable, smoky-olive to fuliginous, darker when young, becoming paler as the pileus expands, 
but always darker on the umbo, sometimes coarsely fibrillose-reticulate, margin finely striate; 
context yellow, becoming bright-olive to fuliginous with age; lamellae adnate to adnexed, 
becoming free, rounded behind, yellow, becoming ferruginous, sometimes finely fimbriate on 
the edges; spores ellipsoid, smooth, ferruginous, 10-15 X 6-8 y; stipe cylindric to terete, taper- 
ing above, hollow, clothed with numerous, small, yellow, floccose scales, sulfur-colored and 
ochraceous, becoming paler and even assuming a light-brown tint with age, 4-10 cm. long, 
3-8 mm. thick. 
Tyer Locality: Ithaca, New York. 
Hasrrat: On freshly manured grass plots. ee 
DIsTRIBUTION: New York, New Jersey, and Virginia. 
IuLusrrations: Atk. Stud. Am. Fungi ed. 1. f. 154; ed. 2. f. 158. 
