Part 3, 1917] AGARICACEAE 181 
equal, rather short and thick, tough, hollow, smooth, glabrous, clay-colored above, darker 
below, marked with a slight annular trace at the middle, 3-3.5 cm. long, 3-5 mm. thick. 
Type collected in grassy soil near cypress trees at Stanford Universit California, Feb: 
14, 1907, A. M. Patterson 41 (herb. N. V. Bot. Gard.). Ree ay een ee 
DisTRIBuTION: Known only from the type locality. 
43. WNaucoria washingtonensis Murrill, sp. nov. 
Pileus convex to plane, not umbonate, sometimes slightly depressed, cespitose or gre- 
garious, 2-3 cm. broad; surface dry or moist, minutely tomentose to subglabrous, uniformly 
isabelline, margin entire to somewhat irregular or eroded, concolorous, not striate; lamellae 
adnate or somewhat sinuate, plane, narrow, crowded, dirty-isabelline, pallid and slightly 
serrulate on the edges; spores ellipsoid, tapering at both ends, finely asperulate, melleous 
under the microscope, 8.5-10.5 & 7 »; stipe cylindric, equal, very straight, smooth, glabrous, 
isabelline, darker below, cartilaginous, hollow, 6-8 em. long, 2-3 mm. thick. 
Type collected in humus in a peat bog at Seattle, Washington, October 20-November 1, 1911, 
W.A. Murrill 235 (herb. N. Y. Bot. Gard.). 
Hasrrat: On the ground in low woods, rarely in peat bogs. 
DistTRiBurTIon: Very common in the vicinity of Seattle, Washington. 
44. Naucoria californica Murrill, sp. nov. 
Pileus thin, convex to plane or slightly depressed, not at all umbonate, cespitose, 2.5 cm. 
broad; surface smooth, glabrous, hygrophanous, uniformly fulvous, fading to pale-isabelline in 
dried specimens, margin entire, concolorous, not striate; lamellae squarely adnate, many times 
inserted, plane, rather narrow, crowded, becoming brownish-fulvous at maturity, whitish- 
pubescent on the edges; spores ellipsoid, smooth, melleous under the microscope, mostly uni- 
guttulate, 7 X 3-4 uw; stipe cylindric, equal, smooth, glabrous, concolorous, stuffed, 1.5-2 cm. 
long, 2-2.5 mm. thick. 
Type collected on chips in a grove in Golden Gate Park, San Francisco, California, November 
21,1911, W. A. Murrill 1103 (herb. N. Y. Bot. Gard.). 
DISTRIBUTION: Known only from the type locality. 
45. Naucoria radicata Murrill, sp. nov. 
Pileus rather thin, irregular, campanulate to subexpanded, with a prominent, rounded 
umbo, solitary, 4 cm. broad; surface smooth, glabrous, hygrophanous, uniformly fulvous, 
margin concolorous, incurved, not striate; lamellae sinuate-adnexed, irregular, crowded, rather 
narrow, whitish or pale-isabelline, becoming ferruginous in dried specimens, concolorous and 
dentate on the edges; spores ellipsoid, smooth, pale-yellow under the microscope, 6-7 X 3-4 4; 
stipe fusiform, smooth, glabrous, pale-latericious, blackening when bruised, long-radicate, 
9 cm. long, 2-3 mm. thick. 
Type collected on the ground in coniferous woods at Glen Brook, Oregon, November 7, 1911, 
W.A. Murrill 775 (herb. N. Y. Bot. Gard.). . 
DistRIBUTION: Known only from the type locality. 
46. Naucoria sphagnorum Murrill, sp. nov. 
Pileus conic to campanulate, umbonate, gregarious, 2~2.5 cm. broad; surface moist, 
smooth, glabrous, striate, bay, paler on the margin; lamellae adnexed, rather crowded, fulvous- 
isabelline, entire and concolorous on the edges; spores oblong-ellipsoid, smooth, melleous 
under the microscope, 8-9 X 5-6 yw; stipe equal, fibrillose, latericious, cartilaginous, 6 cm. long, 
3 mm, thick. 
Type collected in sphagnum in a peat bog at Seattle, Washington, October 20-November 1, 
1911, W. A. Murvill 482 (herb. N. Y. Bot. Gard.). 
DIistRIBUTION: Known only from the type locality. 
47. Naucoria vinicolor Peck, Bull. Torrey Club 36: 334. 1909. 
Pileus broadly convex or centrally depressed, 2-3 cm. broad; surface glabrous, dry, wine- 
colored; context reddish; lamellae subdistant, broad, adnexed, wine-colored; spores ellipsoid, 
