North American Flora: Agaricales, Agaricaceae (Vol. 10 ... - MykoWeb

16 NORTH AMERICAN FLORA [VOLUME 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. Sei. 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 4X2/i; 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. nov.
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, 6-7X4-5 ju; 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. S. Karle. Also collected in the same locality, December 15, 1900, and January 5, 1901, Mrs. F. S-
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, 5-6 X 2-3 p ; 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. & 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. virtscens
Schaeff. 1774.
Agaricus viridilinctus Peck, Ann. Rep. N. Y. State Mus. 33: 36. 1883.
Tricholoma mriditinctum 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 p; 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.