16 NORTH AMERICAN- FLORA [Voujm* 10 



reflexed; context pale-yellow, taste and odor farinaceous; lamellae rather close, emarginate, 

 yellowish, becoming dingy or pallid with age, marked with transverse veinlets along the upper 

 edge, the interspaces venose; spores ellipsoid, 7.5-10X5-6 p\ stipe equal, firm, solid, glabrous, 

 fibrous-striate, yellowish within and without, 5-7.5 cm. long, 6-8 mm. thick. 



Type locality : Greig, New York. 

 Habitat: Ground in woods. 

 Distribution : New York. 



44. Melanoleuca thujina (Peck) Murrill. 



Agaricus (Tricholoma) thujinus Peck, Bull. Buffalo Soc. Nat. Sci. 1: 44. 1873. 



Pileus convex or centrally depressed, 2.5-5 cm. broad; surface glabrous, hygrophanous, 

 pale-alutaceous, margin generally irregular, wavy or lobed; lamellae crowded, thin, abruptly 

 emarginate, alutaceous; spores minute, about 4 X 2 /z; stipe slightly thickened at the top, 

 glabrous, hollow, concolorous, whitish- villose at the base, 2.5-4 cm. broad, 4-6 mm. thick. 



Type locality: Memphis, New York. 

 Habitat: Under white cedar trees. 

 Distribution: Known only from the type locality. 



45. Melanoleuca alabamensis Murrill, sp. no v. 



Pileus irregularly convex, at length subexpanded, solitary, reaching 5-6 cm. broad; surface 

 dry or slightly viscid, yellowish-gray or subolivaceous, dusky on the disk, where it is often 

 ornamented with blackish fibrils, margin entire, incurved on drying ; context firm, dirty- white, 

 mild or slightly unpleasant, without distinct odor; lamellae deeply sinuate, subcrowded, broad, 

 somewhat ventricose, dull-yellowish- white, the edges undulate or uneven; spores ellipsoid, 

 smooth, hyaline, 6-7 X 4-5 ft ; stipe subcylindric, fibrous or somewhat scaly, sordid- white, 

 spongy or solid within, 5-8 cm. long, 1-1.5 cm. thick. 



Type collected on the ground in pine woods near Auburn, Alabama, December 26, 1900, Mrs. 

 F. 5. Earle. Also collected in the same locality, December 15, 1900, and January 5, 1901, Mrs. F. 5. 



Earle. 



Distribution: Alabama. 



46. Melanoleuca longipes Murrill, sp. nov. 



Pileus conic to convex and at length expanded, the umbo disappearing with age, gre- 

 garious, reaching 8-10 cm. broad; surface smooth, glabrous, polished, pallid or glaucous to 

 pale-olive, becoming brownish or blackish when bruised, margin entire, even, concolorous; 

 context white, mild, odor not characteristic; lamellae sinuate, distant, ventricose, fragile, 

 white, becoming grayish or brownish- discolored with age or when bruised; spores ellipsoid, 

 smooth, hyaline, 5-6X2-3 /x; stipe very long, subequal, usually curved or twisted, longitudinally 

 striate, glabrous, white, hollow, reaching 10-15 cm. long, 1-2 cm. thick. 



Type collected on the ground under balsam fir trees on the grounds of the Lake Placid Club, 

 Adirondack Mountains, New York, October 3-14, 1912, W. A. fr Edna L. Murrill 1161. 



Distribution: New York and Massachusetts. 



47. Melanoleuca viriditincta (Peck) Murrill. 



Agaricus {Tricholoma) virescens Peck, Ann. Rep. N. Y. State Mus. 25: 74. 1873. Not A. virescens 



Schaeff. 1774. 

 Agaricus viriditinctus Peck, Ann. Rep. N. Y. State Mus. 33: 36. 1883. 

 Tricholoma viriditinctum Sacc. Syll. Fung. 5: 128. 1887. 



Pileus convex or nearly plane, sometimes centrally depressed, 7.5-12.5 cm. broad; surface 

 moist, glabrous, dingy-green, margin sometimes wavy or lobed; lamellae close, white, gradually 

 narrowed toward the outer extremity, rounded or slightly emarginate behind, white; spores 

 broadly ellipsoid, 5X3.7 fx; stipe subequal, stuffed or hollow, thick but fragile, whitish, some- 

 times tinged with green, 7.5-10 cm. long, 12-24 mm. thick. 



Type locality: North Elba, New York. 

 Habitat: On mossy ground in open woods. 

 Distribution : Known only from the type locality. 



