Part 1, 1914] AGARICACEAB 13 



30. Melanoleuca Memmingeri Murrill, sp. nov. 



Pileus convex, regular, gregarious, 5-10 cm. broad; surface dry, subtomentose, white, 

 light-tan to brownish at the center, becoming glabrous in spots and retaining the im- 

 pression of finger marks, margin thin, entire; context fleshy, rather thin, with earthy 

 odor and taste, changing quickly to bright-yellow and finally to brown when cut or bruised ; 

 lamellae sinuate, very close, rather narrow, fragile, apparently white or light-yellow when 

 fresh, becoming fulvous or bay with age; spores broadly ellipsoid, smooth, hyaline, granular, 

 6X5 /z; stipe long, tapering upward, enlarged or subbulbous below, densely tomentose, dry, 

 white, becoming fulvous when bruised, solid, fragile, about 10 cm. long and 1-2 cm. thick, 

 being nearly twice that thickness at the base. 



Type collected in leaf -mold in deciduous woods at Flat Rock, North Carolina, 1911, E. R. Mem- 

 minger. 



Distribution: Known only from the type locality. 



31. Melanoleuca subdura (Banning & Peck) Murrill. 



Tricholoma subdurum Banning & Peck; Peck, Ann. Rep. N. Y. State Mus. 44: 179. 1892. 



Pileus hemispheric to expanded, about the size and shape of Tricholoma personatum; 

 surface white, becoming dark with age, margin undulate; context firm, tenaceous; lamellae 

 forking, adnexed, crowded, yellow; spores not examined; stipe stout, attenuate above, white, 

 enlarged at the base, solid, 6.5 cm. long. 



Type locality: Druid Hill Park, Baltimore, Maryland. 



Habitat: In woods. 



Distribution: Known only from the type locality. 



32. Melanoleuca edura (Banning & Peck) Murrill. 



Tricholoma edurum Banning & Peck; Peck, Ann. Rep. N. Y. State Mus. 44: 180. 1892. 



Pileus at first convex, obtuse, thick, fleshy, expanded with age, with a slight central de- 

 pression, gregarious, 10-12.5 cm. broad; surface undulating, hygrophanous, at first dingy- white 

 or alutaceous, darker at the center, cuticle thin, easily separable, margin at first involute, 

 expanding unequally, sometimes lobed; context mild, odor pleasant but powerful, resembling 

 that of the common mushroom ; lamellae white or cream-colored, adnexed, not crowded except 

 at the margin, easily separable from the context; spores subglobose, hyaline, 6-7.5^; stipe 

 white, firm, thickened at the base, tapering upward, sometimes nearly equal, at first solid, 

 then stuffed, 7.5-10 cm. long. 



Type locauty: Baltimore, Maryland. 



Habitat: Among leaves in woods. 



Distribution: Known only from the type locality. 



33. Melanoleuca fumosolutea (Peck) Murrill. 



Agaricus {Tricholoma) fumosoluteus Peck, Ann. Rep. N. Y. State Mus. 27: 92. 1874. 



Pileus fleshy, convex or nearly plane, sometimes gregarious, 5-7.5 cm. broad; surface 

 moist, glabrous, smoky-yellow; context white, tinged with yellow under the cuticle, taste 

 farinaceous; lamellae broad, close, rounded behind and deeply emarginate, white; spores 

 subglobose, 4.5-6 /z; stipe stout, glabrous, hollow, white, 7.5-10 cm. long, 8-12 mm. thick. 



' Type locality: Forestburgh, Sullivan County, New York. 

 Habitat: Ground in woods. 

 Distribution : New York and Maine. 



34. Melanoleuca sublutea (Peck) Murrill. 



Tricholoma subluleum Peck. Bull. N. Y. State Mus. 75: 21. 1904. 



Pileus broadly campanulate becoming convex, umbonate, 5-10 cm. broad; surface ob- 

 scurely fibrillose, yellow; context white; lamellae close, emarginate, adnexed, white; spores 

 globose, 5-6 /x ; stipe equal or slightly tapering upward, solid, fibrillose, yellow, whitish at the 

 pointed base, white within, 7.5-10 cm. long, 8-16 mm. thick. 



Type locality : Lake Pleasant, New York. 



Habitat: Under coniferous trees. 



Distribution: Known only from the type locality. 



Illustrations: Bull. N. Y. State Mus. 75: pi. 0,f. 26-29. 



