116 NORTH AMERICAN FLORA [VorumEe 10 
13. Entoloma minus Peck, Bull. N. Y. State Mus. 116: 23. 
1907. 
Pileus very thin, subconic or hemispheric, becoming convex, 1.5-2.5 cm. broad; surface 
glabrous, grayish-brown, darker at the center; lamellae thin, crowded, at first ascending, sinu- 
ate, adnexed, whitish, becoming flesh-colored; spores subglobose, angular, 7.5—10 # in diameter; 
stipe slender, glabrous, hollow, white, 2.5—3.5 cm. long, about 2 mm. thick. 
TYPE LocaLity: East Schaghticoke, Rensselaer County, New York. 
Hasiratr: On the ground in woods. 
DISTRIBUTION: New York and Massachusetts. 
14. Entoloma murinum Peck, Bull. Torrey Club 34: 98. 1907. 
Pileus thin, fragile, conic, convex or nearly plane, umbonate, 2-3 cm. broad; surface dry, 
silky in appearance, glabrous to the touch, grayish-brown or mouse-colored, margin thin, 
often wavy and split, striate in dried specimens; lamellae thin, crowded, sinuate, adnate, 
white, becoming pale-pink; spores angular, uniguttulate, often with an oblique apiculus at 
one end, 10-12 X 6-8 y; stipe slender, brittle, equal or slightly tapering upward, straight or 
flexuous, hollow, white or whitish, becoming darker with age, 2-3.5 cm. long, 1.5-2 mm. thick. 
TyPH LocALIty: Falmouth, Massachusetts. 
Hasirat: Among long grass and sphagnum. . 
DIstRIBuTION: Known only from the type locality. 
15. Entoloma adirondackense Murrill, sp. nov. 
Pileus small, rather thin, circular, sometimes becoming irregular, more or less umbonate, 
solitary, reaching 2-3 cm. broad; surface moist, glabrous, not striate, smooth, except at the 
center, pale-dull-avellaneous, concolorous on the umbo, margin entire, concolorous, becoming 
undulate with age; lamellae adnexed, several times inserted, ventricose, not crowded, soon 
becoming rose-colored; spores ellipsoid, conspicuously angular, uniguttulate, apiculate, rose- 
colored, 11-12 X 6-7 »; stipe slender, cylindric, equal, smooth, glabrous, dull, translucent, 
melleous, whitish-mycelioid at the base, about 4 cm. long, 2-3 mm. thick. 
Type collected on a stump in low balsam woods at Lake Placid, Adirondack Mountains, New 
York, October 3-14, 1912, W. A. & Edna L. Murrill 1107 (herb. N. Y. Bot. Gard.). 
DistRisution: Adirondack Mountains, New York. 
16. Entoloma tenuipes Murrill, sp. nov. 
Pileus thin, convex, sometimes slightly depressed with age, solitary, 3 cm. broad; surface 
dry, smooth, shining, sometimes striate and splitting, whitish-avellaneous to subfuliginous, 
margin concolorous, entire to undulate; context very thin, white, with farinaceous taste and 
no odor; lamellae sinuate, broad, slightly ventricose, subdistant, irregular, uneven on the 
edges; spores globose, angular, apiculate, rose-colored, 8-9 »; stipe slender, equal, smooth, 
glabrous, concolorous, whitish-mycelioid at the base, 5 cm. long, 3 mm. thick. 
Type collected among humus in woods at Lake Placid, Adirondack Mountains, New York, 
July 17-29, 1912, W. A. & Edna L. Murrill 249 (herb. N. Y. Bot. Gard.). 
DIsrRIBUTION: New York. 
17. Entoloma fumosialbum Murrill, sp. nov. 
Pileus rather thick, somewhat irregular, convex to plane or very slightly depressed, not 
umbonate, solitary, 3 cm. broad; surface smooth, glabrous but satiny in appearance, uni- 
formly smoky-white, margin entire to undulate or slightly lacerate, pallid; lamellae sinuate 
with a decurrent tooth, broad, ventricose, crowded, white to salmon-colored, entire and con- 
colorous on the edges; spores subglobose to broadly ellipsoid, angular, apiculate, uniguttulate, 
rose-colored, 7-9 X 5-7 «; stipe equal, fleshy, glabrous, longitudinally grooved, satiny-white, 
4-5 cm. long, 4-5 mm. thick. 
Type collected on the ground in woods at Unaka Spri — 
W. A. Murrill 793 (herb. N.Y. Bot. Gard.). Re pense ee aeemnermetaguct 
DISTRIBUTION: Known only from the type locality. 
