200 _NORTH AMERICAN FLORA {VoLuME 10 
pale-yellow, becoming rusty-brown: spores ellipsoid, 6-8 X 4-5 yw; stipe slender, equal, solid, 
glabrous, pale-yellow without and within, paler at the apex, 2-3 cm. long, 4-6 mm. thick. 
Typx LocaLity: Waltham, Massachusetts. 
Hasrrat: Probably in damp soil. 
DIstRIBUTION: Known only from the type locality. 
19. Gymnopilus tricholoma (Alb. & Schw.) Murrill. 
Agaricus tricholoma Alb. & Schw. Consp. Fung. 188. 1805. 
Flammula tricholoma Quél. Ench. Fung. 232. 1872. 
Inocybe tricholoma Sacc. Syll. Fung. 5: 790. 1887. 
Paxillus strigosus Peck, Bull. Buffalo Soc. Nat. Sci. 1: 56. 1873. 
? Paxillus microsporus Peck, Bull. N. Y. State Mus. 157: 51. 1912. 
Pileus convex to depressed, solitary, 2.5-4 cm. broad; surface dry or slightly viscid, 
white or whitish, decorated with white, appressed fibrils, margin concolorous, strigose-ciliate; 
lamellae decurrent, crowded, narrow, whitish or clay-colored to avellaneous, becoming darker 
on drying; spores broadly ellipsoid or subglobose, echinulate, 4 X 3 4; cystidia none; stipe 
equal, white or pallid, smooth, 2-4 cm. long and 3-6 mm. thick. 
TYPE LOCALITY: Europe. 
Hasrrat: Among leaves, mosses, or grass in woods or groves. 
DistrR1suTIon: Northern New York, Massachusetts, and New Jersey; also in Europe. 
ILLUSTRATION: Gill. Champ. Fr. pl. 363 (286). 
20. Gymnopilus autumnalis (Peck) Murrill. 
Agaricus autumnalis Peck, Ann. Rep. N. Y. State Cab. 23: 92. 1872. 
Naucoria autumnalis Sacc. Syll. Fung. 5: 834. 1887. 
Pileus thin, fleshy, convex, often cespitose, 1.2-2.5 cm. broad; surface smooth, hygro- 
phanous, watery-cinnamon when moist, dull-yellow when dry, margin striatulate when moist; 
context poisonous; lamellae crowded, slightly emarginate, spuriously decurrent-toothed, 
easily separating from the stipe, yellowish, becoming cinnamon; stipe slender, equal, hollow, 
fibrillose, paler than the pileus; 2.5-5 cm. long; veil slight, evanescent or persisting as an 
imperfect annulus. 
Tyre LocaLity: North Greenbush, New York. 
Hasitat: On decayed wood in woods. 
DISTRIBUTION: Northern New York. 
21. Gymnopilus geminellus (Peck) Murrill. 
Agaricus geminellus Peck, Bull. Buffalo Soc. Nat. Sci. 1: 51, 1873. 
Naucoria geminella Sacc. Syll. Fung. 5: 841. 1887. 
Pileus convex, 1-2 cm. broad; surface even, dry, firm, yellowish-red, the margin paler; 
context white; lamellae crowded, emarginate, pale-yellow; spores 8 X 5 u; stipe equal, smooth, 
concolorous, containing a white pith or a small cavity, 2 cm. or more long. 
Type Locatity: Croghan, New York. 
Hasitat: On rotten wood. 
DISTRIBUTION: New York. 
22. Gymnopilus bellulus (Peck) Murrill. 
Agaricus bellulus Peck, Bull. Buffalo Soc. Nat. Sci. 1: 51. 1873. 
Naucoria bellula Sacc. Syll. Fung. 5: 841. 1887. 
? Gymnopilus Hillii Murrill, Mycologia 4: 253, 1912. 
Pileus thia, convex, sometimes cespitose, 1.2-2.5 cm. broad; surface moist, smooth, bright- 
watery-cinnamon; lamellae crowded, narrow, emarginate, yellow, becoming darker with age; 
spores 5 X 3 u; stipe equal, hollow, generally curved, smooth, reddish-brown, 2.5 cm, long. 
TYPE Locality: Lowville, New York. 
Hasitat: On decaying hemlock trunks in woods. 
DISTRIBUTION: Canada and New York. 
23. Gymnopilus pusillus (Peck) Murrill. 
Flammula pusilla Peck, Bull. N. Y. State Mus. 67: 26. 1903. 
Pileus thin, convex, becoming nearly plane, 1.2~2.5 em. broad; surface glabrous, viscid, 
pale-buff or yellow-ferruginous; lamellae narrow, crowded, adnate, whitish when young, brown- 
