26 NORTH AMERICAN FLORA [Voutmij 10 



91. Melanoleuca farinacea Murrill, Mycologia 5: 217. 1913. 



Tricholoma farinaceum Murrill, Mycologia 5: 223. 1913. 



Pileus rather thin but fleshy, convex to expanded, umbonate, gregarious to subcespitose, 

 reaching 8 cm. broad; surface white, smooth, glabrous, margin entire, concolorous; context 

 white, with strong farinaceous odor ; lamellae sinuate, broad, several times inserted, not crowded, 

 ventricose, white; spores ellipsoid, smooth, hyaline, 5-6X3-4/*; stipe bulbous and whitish- 

 mycelioid at the base, white, subglabrous, smooth, stuffed or hollow, fleshy, 5-6 cm. long, 5-10 

 mm. thick. 



Type locality: Seattle, Washington. 



Habitat: In humus in woods. 



Distribution: Known only from the type locality. 



92. Melanoleuca sublurida Murrill, Mycologia 5: 221. 1913. 



Tricholoma subluridum Murrill, Mycologia 5: 223. 1913. 



Pileus firm, conic to convex with prominent umbo, solitary, 7 cm. broad; surface smooth, 

 minutely squamulose, whitish with -a caesious tint, the center black, smooth, and shining, 

 margin entire or slightly undulate, white, deflexed on drying; lamellae sinuate, plane, broad, 

 whitish, distant; spores subglobose, smooth, hyaline, 3-4 /*; stipe subequal, dry, white with 

 grayish, farinaceous scales, solid, about 6 cm. long, and 1.5 cm. thick. 



Type locality: Glen Brook, Oregon. 



Habitat: In soil in woods. 



Distribution: Known only from the type locality. 



93. Melanoleuca Olesonii Murrill, Mycologia 5: 218. 1913. 



Tricholoma Olesonii Murrill, Mycologia 5: 223. 1913. 



Pileus convex to plane, large, rather thick at the center, fleshy, gregarious, reaching about 

 14 cm. broad; surface pure- white, smooth, glabrous, moist, margin thin, entire or slightly 

 lobed, concolorous, not inflexed on drying; lamellae broad, ventricose, crowded, sinuate, white 

 becoming discolored on drying ; spores ellipsoid, smooth, hyaline, 7-9 X 4r-5 \x ; stipe short, 

 thick, equal or slightly bulbous, smooth, glabrous, white, solid, about 4-5 cm. long and 2-3 cm. 

 thick. 



Type locality: Mission Cation, near Santa Barbara, California. 

 Habitat: On the ground under an oak. 

 Distribution: Known only from the type locality. 



94. Melanoleuca submulticeps Murrill, Mycologia 5: 221. 1913. 



Tricholoma submulticeps Murrill, Mycologia 5: 223. 1913. 



(s Pileus large, fleshy, convex to plane, becoming depressed with age, densely cespitose, 

 reaching 10-12 cm. broad; surface smooth, glabrous, hygrophanous, white, margin entire, 

 concolorous; lamellae sinuate, rather crowded, plane, pure- white; spores globose, smooth, 

 hyaline, granular, 7-8 \x ; rarely reaching 1 n ;. stipe white, hygrophanous, smooth, glabrous, 

 hollow, ventricose or enlarged below, 6-10 cm. long, reaching 3 cm. thick. 



Type locality: Seattle, Washington. 

 Habitat: On the ground in woods. 

 Distribution: Known only from the type locality. 



95. Melanoleuca rudericola Murrill, Mycologia 5: 220. 1913. 



Tricholoma rudericola Murrill, Mycologia 5: 223. 1913. 



Pileus rather thin, broad, somewhat irregular, convex to plane, scattered, 10-14 cm. broad; 

 surface smooth, glabrous, slightly moist, light-buff, margin thin, entire to lobed, concolorous, 

 context white, without characteristic odor or taste; lamellae sinuate, narrow, subcrowded, 

 many times inserted, white; spores ellipsoid, smooth, hyaline, 5-7X2.5-4.5 n\ stipe cylindric; 

 equal, scarcely enlarged at the base, grayish-white with a tinge of purple, smooth, glabrous, 

 solid, 5-10 cm. long, 1-1.5 cm. thick. 



Type ixjcauty: Madera Creek, California. _ 

 Habitat: In rich ground by a heap of rubbish. ^ 

 Distribution: Known ontv from the type locality. 



