196 NORTH AMERICAN FLORA [VoLumE 10 
1. Gymnopilus sphagnicola (Peck) Murrill. 
Flammula sphagnicola Peck, Bull. N. Y. State Mus. 167: 43. 1913, 
Pileus fleshy, thin, convex or nearly plane, obtuse or umbonate, 1-2.5 cm. broad; surface 
glabrous, viscid, yellowish, with the center reddish or reddish-brown, often spotted; context 
white; lamellae thin, narrow, crowded, adnate or with a decurrent tooth, whitish, becoming 
cinnamon-colored; spores ellipsoid, uninucleate, 8-10 X 4-6 wu; stipe slender, equal or slightly 
enlarged at the base, hollow, whitish, slightly white-fibrillose at the apex, with a white tomen- 
tum at the base, 2.5-3.5 cm. long, 1-3 mm. thick. 
Type Locality: Amesbury, Massachusetts. 
Hasrrat: Among sphagnum in swamps. . 
DistRIBUTION: Known only from the type locality. 
2. Gymnopilus anomalus (Peck) Murrill. 
Flammula anomala Peck, Bull. Torrey Club 22: 202. 1895. 
Pileus deeply umbilicate or infundibuliform, often irregular, commonly cespitose, about 
2.5 cm. broad; surface glabrous, whitish; lamellae narrow, crowded, decurrent, pale-ferruginous; 
spores globose, brownish-ferruginous, 6 4; stipe short, irregular, whitish, 1-2.5 cm. long. 
Type Locarity: Trexlertown, Pennsylvania. 
Hasrrat: On the ground. 
DIsTRIBUTION: Known only from the type locality. 
3. Gymnopilus velatus (Peck) Murrill. 
Flammula velaia Peck, Bull. Torrey Club 30: 96. 1903. 
Pileus fleshy, thin toward the margin, convex, 2-4 cm. broad; surface moist, sulfur-yellow, 
reddish or orange at the center, margin persistently incurved; context yellow or greenish-yellow, 
the taste mild; lamellae arcuate, adnate or slightly decurrent, 5 mm. wide, pale-yellow, becom- 
ing rusty-brown or snuff-colored; spores ellipsoid, 5~8 « long; stipe short, slender, flexuous, 
fibrillose, sulfur-yellow above, brownish and somewhat tomentose below, solid, 2.5-4.5 cm. 
long, 2-4 mm. thick. 
Type Locality: Idaho. 
Hasrrat: In woods along small streams. 
DISTRIBUTION: Known only from the type locality. 
4. Gymnopilus alienus (Peck) Murrill. 
Flammula aliene Peck, Bult. Torrey Club 26: 65. 1899. 
Pileus thin, flexible, broadly convex, umbilicate, gregarious, 3~5 em. broad; surface dry, 
glabrous, grayish or pale-grayish-brown, margin slightly striate when old; context white, 
fibrous; lamellae thin, subdistant, arcuate, decurrent, ochraceous-brown; spores ferruginous- 
brown, globose, 5 » in diameter; stipe firm, fibrous-striate, solid, slightly tapering upward, 
concolorous, covered at the base with a dense white tomentum, 5 cm. long, 4-6 mm. thick. 
Type Locality: Mt. Gretna, Pennsylvania. 
Hasirat: On partly buried anthracite coal. 
DisTRIBUTION: Known only from the type locality. 
5. Gymnopilus rigidus (Peck) Murrill. 
Flammula rigida Peck, Ann. Rep. N. Y. State Mus. 50: 104. 1897. 
Pileus thin, rather firm and rigid, convex, becoming nearly plane or centrally depressed, 
gregarious, 2.5-3.5 cm. broad; surface glabrous, hygrophanous, rusty-tawny or subferruginous 
when moist, buff or grayish-buff when dry, margin sometimes wavy; context concolorous; 
lamellae moderately crowded, adnate, creamy-white, becoming rusty-tan-colored or subfer- 
ruginous; spores broadly ellipsoid, 7.5-8.5 X 4-5 y; stipe equal or nearly so, tough, slightly 
striate, concolorous, with a compact, white tomentum on the lower part or at the base, 2.5-5 
em, long, 4-6 mm. thick, 
TYPE LocaLity: Adirondack Mountains, New York. 
Hasirat: On chip dirt about an old lumber camp. 
DISTRIBUTION: New York. 
