NORTH AMERICAN FLORA [VoLuME 9 
82. Prunulus plumbeibrunneus Murrill, sp. nov. 
Pileus convex, gregarious, 1.5-2 cm. broad; surface smooth, glabrous, opaque, pale- 
lead-brown, lighter near the margin, which is somewhat crenate and appressed when young: 
context cream-colored, without characteristic taste or odor; lamellae sinuate, rather distant, 
inserted, broad, ventricose, cream-colored: spores oblong-ellipsoid, smooth, hyaline, 7-9 
X 4-5 uw: stipe cylindric, smooth, glabrous, concolorous with the margin of the pileus, hollow, 
4-6 cm. long, 1-2 mm. thick. 
Type collected among decaying pine needles at Stanford University, California, December 6, 
1901, C. F. Baker 168 (herb. N. Y. Bot. Gard.). ; 
DISTRIBUTION: Known only from the type locality. 
83. Prunulus myceliosus Murrill, sp. nov. 
Pileus rather large and firm, convex to plane, gregarious to subcespitose, reaching 2.5 
em. broad; surface dull-brownish varying to whitish, moist, glabrous, striate, margin white, 
entire, appressed when young: lamellae adnate or adnexed, narrow, crowded, white: spores 
ellipsoid, pointed, smooth, hyaline, 5 X 34: stipe very long and slender, cylindric, equal, 
smooth, glabrous, light-brown, mycelioid at the base and arising from copious white mycelium, 
about 10 cm. long, 1-2 mm. thick. 
Type collected in humus on the ground in a virgin forest near Seattle, Washington, October 20- 
November 1, 1911, W. A. Murrill 223 (herb. N. Y. Bot. Gard.). 
DISTRIBUTION: Known only from the type locality. 
84. Prunulus Abramsii Murrill, sp. nov. 
ileus rather large and firm, conic to convex, not expanding, scattered, 1~-1.5 cm. broad; 
surface glabrous, moist, radiately striate, avellaneous, blackish-brown on the disk, margin 
pallid, somewhat creamy, appressed when young: context white, without characteristic odor 
or taste: lamellae adnate-sinuate, subdistant, about 15 in number, with short ones inserted, 
whitish: spores oblong-ellipsoid, slightly curved, smooth, hyaline, 11-12.5 X 5 uw: stipe cylindric 
or enlarged at the base, smooth, glabrous, steel-gray, often whitish at the apex, 6-8 cm. long, 
1-2 mm. thick. 
Type collected on the ground under oaks at Stanford University, California, November 27, 1902, 
L. R. Abrams & James McMurphy 69 (herb. N. Y. Bot. Gard.). 
DISTRIBUTION: Known only from the type locality. 
85. Prunulus longipes Murrill, sp. nov. 
Pileus convex, umbonate, rather tough, solitary, 2.5 cm. broad; surface smooth, dry, 
glabrous, very pale avellaneous, isabelline on the umbo, margin entire, pallid, finely striate: 
lamellae deeply sinuate with a decurrent tooth, subcrowded, arcuate, white: spores broadly 
ellipsoid, smooth, hyaline, granular, 8-10 X 6-7 uw: stipe smooth, glabrous, polished, equal, 
hollow, snow-white above, very pale avellaneous below, 15 cm. long, 2-3 mm. thick. 
Type collected in leaf-mold under redwoods in Muir Woods, California, November 22, 1911, 
W.A. Murrill 1132 (herb. N. Y. Bot. Gard.). 
DISTRIBUTION: Known only from the type locality. 
86. Prunulus magnus Murrill, sp. nov. 
Pileus very large for the genus, broadly convex, not fully expanding, gregarious to sub- 
cespitose, reaching 5 cm. broad; surface dry, glabrous, striate, avellaneous, slightly darker on 
the disk when dry: lamellae adnate, broad, rather distant, whitish: spores subglobose, smooth, 
hyaline, 6-7.5 u: stipe compressed, equal, smooth, glabrous, avellaneous, 5-8 em. long, 2-4 mm. 
thick. 
Type collected on the ground in woods near Seattle, Washington, October 20-N ber 1, 
1911, W. A. Murrill 463 (herb. N. ¥. Bot. Gard.). pee eer 
Distrisution: Washington and Oregon. 
87. Prunulus Grantii Murrill, sp. nov. 
Pileus broad, convex to plane and at length depressed, not papillate, cespitose, 3-3.5 cm. 
broad; surface smooth, dry, glabrous, pale-avellaneous: context thin, white, the taste mild; 
