412 NORTH AMERICAN FLORA (VoLumE 9 
ovoid, smooth, hyaline, uninucleate, about 6 X 4 yu: stipe tapering upward from a thickened 
base, smooth, glabrous, white, whitish-mycelioid at the base, hollow, reaching 6 cm. long and 
8 mm. thick, scarcely 3 cm. long in one collection. 
TypE LocALIty: Mill City, Oregon. 
Hasrrat: On the ground in fir forests. 
DIsTRIBUTION: Washington and Oregon. 
64. Clitocybe stipitata Murrill, Mycologia 5: 211. 1913. 
Pileus large, fleshy, convex to nearly plane, gregarious, 8-10 em. broad; surface smooth, 
glabrous, slightly viscid when moist, white, becoming cream-colored on drying, margin entire 
or slightly lobed, rather thick and fleshy, concolorous: lamellae broad, crowded, decurrent, 
white: spores ovoid, smooth, hyaline, 6-7 X 5-6 mu: stipe equal, very long, crooked, smooth, 
subglabrous, whitish-mycelioid below, white, becoming reddish-brown in some specimens on 
drying, solid or spongy within, 15 or more cm. long, about 1.5 cm. thick. 
Type LocaLiITy: Stanford University, California. 
Hasrtrat: Among leaves in woods. . 
DisTRIBUTION: Known only from the type locality. 
65. Clitocybe albiformis Murrill, Mycologia 5: 206. 1913. 
Pileus thick, firm, convex, cespitose, 5-9 cm. broad; surface nearly smooth, dry, glabrous, 
white, slightly cremeous at the center, margin entire, concolorous, strongly inflexed on drying: 
context thick, white, with the odor and taste of the ordinary field mushroom; lamellae distinctly 
decurrent, rather broad and crowded, several times inserted, plane or arcuate: spores globose 
or subglobose, smooth, hyaline, 4-6 yu: stipe cylindric to ventricose, tapering upward at times, 
white, solid, slightly fibrillose below, finely tomentose above, 9-16 cm. long, 1—2.5 cm. thick. 
TYPE LOCALITY: Searsville Lake, California. 
Hasrrat: In humus in woods. 
DISTRIBUTION: Washington and California. 
66. Clitocybe subcandicans Murrill, Mycologia 5: 212. 1913. 
Pileus convex to plane, rather thin, solitary, reaching 6 cm. broad; surface stramineous, 
smooth, glabrous, hygrophanous, margin white: lamellae decurrent, arcuate, crowded: spores 
ellipsoid, smooth, uninucleate, hyaline, 6-7 X 3-4 yw: stipe cylindric, equal, concolorous, sub- 
fleshy, hollow, 6 cm. long, 5-7 mm. thick. 
TYPE LOCALITY: Seattle, Washington. 
Hastrat: On the ground among fallen twigs in woods. 
DISTRIBUTION: Known only from the type locality. 
67. Clitocybe Peckii Murrill, Mycologia 5: 211. 1913. 
Pileus irregular in outline, umbilicate to depressed, rather deeply depressed on drying, 
gregarious, reaching 5 cm. broad; surface hygrophanous, smooth, glabrous, grayish-stramineous, 
faintly radiate-striate on drying, margin thin, somewhat lobed, concolorous, becoming upturned: 
lamellae discolored, rather crowded, short-decurrent: spores usually broadly ellipsoid, smooth, 
hyaline, 5-6 X 4-5 yu: stipe slightly tapering upward, concolorous, smooth, glabrous, hollow 
or stuffed, reaching 4 cm. long and 7 mm. thick. 
TYPE LOCALITY: Salem, Oregon. 
Hastirat: In soil. 
DISTRIBUTION: Washington and Oregon: 
68. Clitocybe oregonensis Murrill, Mycologia 5: 211. 1913. 
Pileus umbilicate to infundibuliform, rather thin, solitary, reaching 4 cm. broad; surface 
smooth, glabrous, hygrophanous, pale-isabelline, margin thin, entire, concolorous: lamellae 
short-decurrent, subdistant, narrow, arcuate, discolored on drying: spores ellipsoid, smooth, 
hyaline, 7 X 44: stipe fleshy, tapering upward, smooth, glabrous, concolorous, 5 cm. long, 5 
mm. thick. 
