Parr 5, 1916] AGARICACKAE 341 
99. Prunulus argillaceus Murrill, sp. nov. 
Pileus small, delicate, conic to campanulate, reaching 1 cm. broad; surface striate, glabrous, 
avellaneous, margin entire, concolorous, appressed when young: lamellae adnate, broad, sub- 
crowded, white: spores globose or subglobose, smooth, hyaline, 4-6 u: stipe slender, equal, 
smooth, glabrous, hollow, white, 1.5 cm. long, 1 mm. thick. 
Type collected on a wet, much-decayed log in a moist virgin forest on a mountain side at 
Motzorongo, near Cordoba, Mexico, about 300 m. elevation, January 15, 1910, W. A. & Edna L. 
Murrill 1053 (herb. N. Y. Bot. Gard.). 
DISTRIBUTION: Known only from the type locality. 
100. Prunulus pubescens Murrill, sp. nov. 
Piles convex, gregarious, 8-12 mm. broad; surface smooth, dry, minutely downy, dark- 
brown, margin entire, not striate, concolorous; lamellae adnate, inserted, narrow, pure-white: 
stipe cylindric, equal, tough, white and distinctly pubescent, especially above, brownish at 
the base, 3 cm. long, 1 mm. thick. 
Type collected on decayed wood at Moore Town, Jamaica, November 22, 1902, F. S. Earle 563 
(herb. N. Y. Bot. Gard.) 
DISTRIBUTION: Known only from the type locality. 
101. Prunulus cinchonensis Murrill, sp. nov. 
Pileus conic to campanulate, gregarious, reaching 1.5 cm. broad and 1 cm. high; surface 
dry, glabrous, striate, pale-isabelline or avellaneous, usually avellaneous on the disk, margin 
entire, pale-isabelline, appressed when young: lamellae adnate, slightly decurrent at times, 
crowded, rather narrow, white: spores globose, smooth, hyaline, 4-5 uw: stipe cylindric, equal, 
smooth, glabrous, slightly pulverulent at the apex, whitish, avellaneous at the base when the 
pileus is avellaneous, 3-4 cm. long, about 1 mm. thick. 
Type collected on dead sticks at Cinchona, Jamaica, about 1500 m. elevation, December 25- 
January 8, 1908-9, W. A. & Edna L. Murrill 550 (herb. N. Y. Bot. Gard.). 
DIsTRIBUTION: Known only.from the type locality. 
102. Prunulus carbonicola Murrill, sp. nov. 
Pileus broadly convex, scattered, reaching 2 cm. broad; surface glabrous, hygrophanous, 
faintly striate to the disk, ochraceous-brown, darker and slightly floccose when young, margin 
entire, concolorous: lamellae adnate, subventricose, subconcolorous, crowded: spores ellipsoid, 
smooth, hyaline, 7-8 X 5-6 u: stipe cylindric, subequal, glabrous, shining, white, hollow, 
3-4 cm. long, 2 mm. thick. 
‘Type collected on burned sticks in Cooper’s Ranch, at the base of El Yunque Mountain, Baracoa, 
Cuba, March, 1903, L. M. Underwood & F. S. Earle 423 (herb. N. Y. Bot. Gard.). 
DISTRIBUTION: Known only from the type locality. 
103. Prunulus syringeus Murrill, sp. nov. 
Pileus minute, hemispheric, solitary, 5 mm. broad, 3 mm. high; surface lilac-colored, 
fulvous on the disk, subgranulose in appearance, margin entire, concolorous: lamellae distant, 
inserted, rather broad, adnate, violet-colored: spores globose or subglobose, smooth, hyaline, 
about 4: stipe cylindric, equal, glabrous, melleous, lilac-colored at the apex, 2 cm. long, 
less than 1 mm. thick. 
Type collected in humus in woods in Troy and Tyre, Cockpit Country, Jamaica, 600 m. eleva- 
tion, January 12-14, 1909, W. A. Murrill & W, Harris 1097 (herb. N. Y. Bot. Gard.). 
DistRiBuTIon: Known only from the type locality. 
104. Prunulus testaceus Murrill, sp. nov. 
Pileus thin, broadly convex, gregarious, 8 mm. broad; surface dry, tomentose, dark- 
testaceous, darker on the disk: lamellae adnate, pale-testaceous, crowded, narrow, sharply 
dentate on the edges: spores ellipsoid, smooth, hyaline, 7 X 3-44: stipe cylindric, equal, 
subglabrous, pale-testaceous, 1.3 cm. long, 1 mm. thick. 
Type collected in humus on the ground under tree ferns at Morce’s Gap, Jamaica, 1500 m. ele- 
vation, December 29, 30, January 2, 1908-9, W. A. & Edna L. Murrill 709 (herb. N. Y. Bot. Gard.). 
DistrisvuTion: Known only from the type locality. 
