138 NORTH AMERICAN FLORA [VoLumE 10 
52. Pluteus nitens Pat. Bull. Soc. Myc. Fr. 14: 53. 1898. 
Pileus thin, convex, 2-3 em. broad; surface somewhat floccose, fuscous-brown or oliva- 
ceous, margin striate; lamellae remote, crowded, ventricose; spores 6-8 y; stipe slender, en- 
larged at the base, shining, white, stuffed, 1-3 cm. long. 
TYPE LOCALITY: Motzorongo, Vera Cruz, Mexico. 
Haszrtat: On dead wood. 
DistTRIBUTION: Mexico and Cuba. 
53. Pluteus Harrisii Murrill, Mycologia 3: 277. 1911. 
Pileus convex to depressed, obtuse, 2-3 cm. broad; surface avellaneous-fuliginous to dark- 
chestnut, glabrous, subrugose, finely asperate and striate; lamellae free, subcrowded, slightly 
ventricose, white to salmon-colored; spores broadly ellipsoid to subglobose, regular, smooth, 
uninucleate, about 7-8 X 5-6 u; cystidia none; stipe cylindric, solid, white, glabrous, shining, 
3-4 em. long, 2-3 mm. thick. 
Type Locality: Troy and Tyre, Jamaica. 
Hasirat: On dead wood. 
DISTRIBUTION: Jamaica and Cuba. 
54. Pluteus spinulosus Murrill, sp. nov. 
Pileus firm, convex, solitary, 4-5 cm. broad; surface glabrous, subviscid, avellaneous, 
darker on the disk, margin not striate; lamellae free, crowded, narrow, white to salmon- 
colored, brownish and pruinose on the edges; spores ellipsoid, smooth, rose-colored, 8 X 6 u; 
cystidia bottle-shaped, acuminate or needle pointed with scattered, lateral spinules, 75 X 17 yu; 
stipe cylindric, enlarged at the base, glabrous, concolorous, solid, 4-5 cm. long, 3~4 mm. thick. 
Type collected in British Honduras, 1906, Morton E. Peck (herb. N. Y. Bot. Gard.). 
DISTRIBUTION: Known only from the type locality. 
55. Pluteus reticulatus Murrill, Mycologia 3: 276. 1911. 
Pileus plane to depressed, umbonate, solitary, 5 cm. broad, about 1 cm. thick; surface 
velvety, dark-isabelline with pale-fuliginous reticulations, which are more pronounced on 
the umbrinous umbo; lamellae free, ventricose, salmon-colored; spores subglobose, smooth, 
uninucleate, 4-5 X 3.5—-4 u; cystidia fusiform, pointed, not divided at the apex, rather abundant, 
about 60 X 17 4; stipe cylindric, subequal, glabrous, stramineous with a pale-melleous tint, 
4 cm. long, 5 mm. thick. 
TYPE LOCALITY: Moneague, Jamaica. 
Hasirat: On dead wood. 
DISTRIBUTION: Known only from the type locality. 
56. Pluteus rimosus Murrill, Mycologia 3: 276. 1911. 
Pileus conic to convex, 4—5 cm. broad, 2-3 cm. high, gregarious; surface fuliginous when 
young, becoming umbrinous, smooth, glabrous, at length radiate-rimose and showing white in 
the cracks; lamellae free, close, rather narrow, white, becoming roseous from the spores; 
spores regular, globose, smooth, uninucleate, 4 4; cystidia none; stipe white, glabrous, much 
enlarged below, crooked, 4.5 em. long, scarcely 1 em. thick above, 2 cm. thick at the base. 
TYPE Locayity: Port Antonio, Jamaica. ‘ 
Hasirat: In a field near the shore on soil mixed with decayed wood. 
DISTRIBUTION: Known only from the type locality. 
57. Pluteus Earlei Murrill, Mycologia 3: 276. 1911. 
Pileus rather thick, expanded, somewhat gibbous, 10 cm. broad; surface dry, densely 
floccose, uniformly pale-yellow, margin even, not striate; lamellae free, crowded, broad, be- 
coming dull-pinkish; spores regular, ovoid, smooth, uninucleate, dark-pink when fresh, 7-8 
X 6 mw; cystidia none; stipe slightly tapering upward, solid, white, glabrous, 8 cm. long, 1 cm. 
thick. 
TYPE LOCALITY: Guanajay, Cuba. 
HasiraT: On a dead log. 
DistTRIBUTION: Known only from the type locality. 
