PART 1, 1914] AGARICAC3AE 29 



white, compact, with strongly farinaceous odor and taste ; lamellae narrow to medium, sinuate, 

 slightly decurrent at times with age, white, unchanging; spores ellipsoid, smooth, hyaline, 

 5-6.5 X 3-4 m ; stipe subequal, white, smooth, usually solid within, 4-7 cm. long, 1.5-2.3 cm. thick. 



Type collected among oak leaves at Claremont, California, in January, C. F. Baker 5078. 

 Distribution: Rriown only from the type locality. 



106. Melanoleuca portolensis Murrill, Mycologia 5: 219. 1913. 



Tricholoma portolense Murrill, Mycologia 5: 223. 1913. 



Pileus rather thick, convex with a prominent umbo, becoming nearly plane, scattered, 

 6-11 cm. broad; surface smooth, moist, glabrous, brownish- gray, darker toward the center, 

 margin entire, concolorous ; context white, with a slightly nutty taste but without characteristic 

 odor; lamellae rather narrow, slightly sinuate, plane, several times inserted, crowded, white; 

 spores ellipsoid, smooth, hyaline, 5-7X2.5-3.5 \x\ stipe tapering upward from an enlarged base, 

 nearly white, smooth above, somewhat roughened below, glabrous, solid, 6-8 cm. long, 1.5-2 

 cm. thick; veil rudimentary, leaving a trace upon the stipe. 



Type locality : Portola, California. 

 Habitat: On the ground under redwoods. 

 Distribution : Known only from the type locality. 



107. Melanoleuca oreades Murrill, Mycologia 5: 218. 1913. 



Tricholoma oreades Murrill, Mycologia 5: 223. 1913. 



Pileus becoming broadly convex or plane to somewhat depressed, large, fleshy, growing in 



circles, subcespitose at times, reaching 15 cm. broad; surface dry, smooth, slightly silky-stria te, 



pale-avellaneous; context with an agreeable, nutty flavor and an odor somewhat suggestive of 



skunk cabbage ; lamellae slightly sinuate, crowded, narrow, white, discolored on drying ; spores 



ellipsoid, smooth, hyaline, 6-7X4-5 /*; stipe cylindric, solid, fleshy, white or pale-avellaneous, 



5-8 cm. long, 1-1.5 cm. thick. 



Type locality: Tacoma, Washington. 



Habitat: In the edge of woods on the border of a lake. 



Distribution: Known only from the type locality. 



108. Melanoleuca secedifolia Murrill, Mycologia 5: 221. 1913. 



Tricholoma secedifolium Murrill, Mycologia 5: 223. 1913. 



Pileus convex to plane or slightly depressed, scattered, 12-20 cm. or more broad; surface 

 dry, silky-fibrillose, with more or less conspicuous, minute, avellaneous to murinous, rarely 

 fuliginous, floccose-imbricate, often evanescent scales, paler toward the margin ; context with 

 farinaceous odor and taste; lamellae sinuate, seceding, triangular, ventricose, not crowded, 

 white, becoming rosy-isabelline on drying; spores broadly ellipsoid, smooth, hyaline, 7-8.5 

 X5-6 fj,; stipe enlarged below, crooked, fleshy, solid, scabrous, white, reaching 13 cm. long and 

 2.5 cm. thick. 



Type locality: Salem, Oregon. • 



Habitat: On the ground among humus in woods. 



Distribution: Oregon. 



109. Melanoleuca Yatesii Murrill, sp. nov. 



Pileus regular, convex, solitary, 5-8 cm. broad; surface smooth, glabrous, viscid, sulfur- 

 yellow, becoming brownish at the center on drying, margin concolorous, entire, incurved on 

 drying; context rather thin, white to pale-yellow; lamellae sinuate- adnexed, rather broad, 

 ventricose, not crowded, apparently pale-yellow when fresh, somewhat discolored on drying; 

 spores ellipsoid, smooth, hyaline, 5X3 fx) stipe equal, shining, subglabrous, sulfur-yellow, be- 

 coming nearly white when dry, 6-10 cm. long, 8-12 mm. thick. 



Type collected under Monterey cypress and eucalyptus trees on the campus of the University 

 of California at Berkeley, California, January 24, 1913, H. S. Yates 8. 



Distribution: Known only from the type locality. 



110. Melanoleuca dryophila Murrill, Mycologia 5: 217. 1913. 



Tricholoma dryophilum Murrill, Mycologia 5: 223. 1913. 



Pileus convex, gibbous, becoming almost expanded, scattered, 3-10 cm. broad; surface 

 glabrous, viscid when fresh, subshining, nearly smooth, whitish, stained with rusty-brown, 



