Part 1, 1914] AGARICACEAE 19 



snow-white; spores oblong, 7-8X3 fi ; stipe equal or subequal, snow-white, solid or stuffed, 

 5-7 cm. long, 6-12 mm. thick. 



Type locality: South Yarmouth, Massachusetts. 

 Habitat: Sandy soil under pines. 

 Distribution : Massachusetts. 



59. Melanoleuca gravis (Peck) Murrill. 



Tricholoma grave Peck, Ann. Rep. N. Y. State Mus. 43: 63. 1890. 



Pileus at first hemispheric to convex, compact, 12.5-20 cm. broad; surface glabrous, gray- 

 ish-tawny and somewhat spotted when moist, paler when dry, margin paler, irregular, involute, 

 covered with a minute, close, grayish- white tomentum or silkiness; context gr ayish- white ; 

 lamellae subdistant, rounded behind or sinuate-adnexed, at first whitish, then pale-ochraceous 

 or tawny; spores broadly ellipsoid, 7.5X5 n; stipe stout, compact, solid, subsquamulose, gray- 

 ish-white, penetrating the soil deeply, 10 cm. long, 2.5-4 cm. thick. 



Type locality: Manor, New York. 



Habitat: Mixed woods of pine and oak. 



Distribution: Northeastern United States. 



Illustrations: Ann. Rep. N. Y. State Mus. 43: pi. 1, f. 5-8. 



60. Melanoleuca fuliginea (Peck) Murrill. 



Tricholoma fuligineum Peck, Ann. Rep. N. Y. State Mus. 41: 60. 1888. 



Pileus convex or nearly plane, obtuse, often irregular, 2.5-6.5 cm. broad; surface dry, 

 minutely squamulose, sooty-brown; context grayish, odor and taste farinaceous; lamellae 

 subdistant, uneven on the edges, cinereous, becoming blackish on drying; spores oblong-ellipsoid, 

 7.5X4 /z; stipe short, solid, equal, glabrous, cinereous, 2.5-4 cm. long, 6-10 mm. thick. 



Type locality: Catskill Mountains, New York. 

 Habitat: Among mosses and open places. 

 Distribution: New York. 



61. Melanoleuca compressipes Murrill, sp. nov. 



Pileus convex to expanded, gregarious, 4-^8 cm. broad; surface smooth, hygrophanous, 

 moist, not viscid, dark-umber-brown becoming lighter on drying, usually darker on the disk, 

 margin thin, entire; context thin, grayish or watery-brown, mild, without distinct odor; lamellae 

 obscurely sinuate to nearly adnate, subcrowded, rather narrow, unequal, sordid-white becoming 

 cinereous and at length dark-brown, not changing color when cut or bruised; spores subglobose, 

 smooth, hyaline, 6-7.5 m,' stipe equal or tapering upward, often compressed, subglabrous, dirty- 

 white, hollow or stuffed, 3-5 cm. long, 5-10 mm. thick. 



Type collected on the ground in mixed woods near a small stream, at Auburn, Alabama, Decem- 

 ber 19, 1900, Mrs. F. S. Earle. Also collected in pine woods and in mixed woods in the same vicinity, 

 January 22, 1900, and January 1, 1901, Mrs. F. S. Earle. 



Distribution: Alabama. 



62. Melanoleuca inocybiformis Murrill. 



Agaricus (Tricholoma) Hebeloma Peck, Bull. Buffalo Soc. Nat. Sci. 1: 45. 1873. Not A. Hebeloma 

 Seer. 1833. 



Pileus thin, broadly conic or subcampanulate, obtuse, 10 mm. broad; surface hygrophanous, 

 brown with a darker disk and striatulate on the margin when moist, grayish when dry ; lamellae 

 broad, rounded behind and deeply emarginate, adnexed, yellowish ; spores 6 X 4 /x ; stipe equal, 

 hollow, glabrous, pallid, 2.5 cm. long, 2 mm. thick. 



Type locality: Worcester, New York. 

 Habitat: On the ground in woods. 

 Distribution: New York. 



63. Melanoleuca subargillacea Murrill, sp. nov. 



Pileus fleshy, thick, irregular, convex to expanded, solitary or cespitose, 4-10 cm. broad; 

 surface moist, shining, smooth, glabrous, not viscid, pale-argillaceous, margin even, white; 

 context thin, white, brittle, odor none except when drying, taste mawkish and disagreeable; 

 lamellae rather broad, becoming ventricose, crowded, sinuate, white, unchanging; spores ellip- 



