Part 1, 1914] AGARICACBAB 31 



avellaneous; spores subglobose, smooth, hyaline, granular, about 5,5-6.5 m; stipe equal, fleshy, 

 solid, smooth, glabrous, pure- white, about 8 cm. long, 1.5 cm. thick. 



Type locality: Mill City, Oregon. 



Habitat: In soil in woods. 



Distribution: Known only from the type locality. 



115. Melanoleuca subisabellina Murrill, Mycologia 3 : 194. 1911. 



Tricholoma subisabellinum Murrill, Mycologia 4: 332. 1912. 



Pileus irregular, convex to infundibuliform, gregarious, 4-8 cm. broad; surface glabrous, 



dull-colored, dingy-isabelline, margin undulate or slightly lobed, inflexed; lamellae sinuate, 



straight, narrow, rather close, white to dirty-brownish; spores ellipsoid, hyaline, echinulate, 



5X3.5 m; stipe curved, tapering toward the base, glabrous, fleshy, white, 3 cm. long, 3-10 

 mm. thick. 



Type locality: Castleton Gardens, Jamaica. 

 Habitat: On a waste heap of earth and vegetable refuse. 

 Distribution : Known only from the type locality. 



116. Melanoleuca dichropus (Fries) Murrill, Mycologia 3: 193. 



1911. 



Agaricus {Tricholoma) dichropus Fries, Nova Acta Soc. Sci. Upsal. III. 1: 22. 1851. 



Pileus fleshy, firm but not thick, expanded, obtuse, often depressed, 5 cm. or more broad; 

 surface moist at first then dry, smooth, glabrous, purplish-lilac, paler toward the margin; 

 lamellae adnexed, subdistant, white, unchanging; spores hyaline; stipe attenuate above, con- 

 colorous, apex abruptly white, solid, 5 cm. or more long, 4 mm. thick at the apex, 6 mm. thick 

 at the base; veil obsolete. 



Typs locality: Island of St. Thomas. 



Habitat: On the ground. 



Distribution : Known only from the type locality. 



117. Melanoleuca jalapensis Murrill, Mycologia 3: 194. 1911. 



Tricholoma jalapense Murrill, Mycologia 4: 332. 1912. 



Pileus convex, much split at the margin, solitary, 4 cm. broad; surface dry, glabrous, 

 shining, more or less radiate-rimose, the castaneous cuticle remaining entire at the center but 

 almost disappearing near the margin, where it persists in faint streaks or patches; context 

 thin, white, sweet ; lamellae adnate with a slight sinus, narrow, rather close, cremeous, pruinose 

 under a lens; spores globose, smooth, hyaline, 5 n; stipe cylindric, equal, glabrous, white, with 

 a tough rind, 4 cm. long, 7 mm, thick, abruptly bulbous at the base as in some species of 

 Cortinarius. 



Type locality: Jalapa, Mexico. 

 Habitat: Rich soil in a moist virgin forest. 

 Distribution : Known only from the type locality. 



118. Melanoleuca jamaicensis Murrill, Mycologia 3 : 194. 1911. 



Tricholoma jamaicense Murrill, Mycologia 4: 332. 1912. 



Pileus umbilicate, solitary, 2-3 cm. broad; surface glabrous, latericious-f ulvous ; lamellae 

 sinuate with a decurrent tooth, latericious, broad, rather distant; spores globose, smooth, 

 hyaline, 3-4 ju; stipe slender, cylindric, equal, glabrous, concolorous with the surface of the 

 pileus, 4 cm. long, 2.5 mm. thick, the apex much enlarged, 5 mm. thick, stramineous and 

 tomentose. 



Type locality: Morce's Gap, Jamaica. 

 Habitat: On the ground under tree-ferns. 

 Distribution: Known only from the type locality. 



119. Melanoleuca holoporphyra (Berk. & Curt.) Murrill, Mycologia 



3: 193. 1911. 



Agaricus (Clitocybe) holoporphyrus Berk. & Curt. Jour. Linn. Soc. 10: 284. 1868. 



Pileus convex, 6 cm. broad; surface latericious, dry, finely tomentose, slightly striate on the 

 margin; lamellae sinuate with a decurrent tooth, broad, distant, testaceous; spores ovoid, 



