136 NORTH AMERICAN FLORA [Volume 10 
41. Pluteus fulvibadius Murrill, sp. nov. 
Pileus conic to campanulate, not fully expanding, umbonate, regular, solitary, 5 cm. broad, 
3 cm. high; surface glabrous, hygrophanous, fulvous-badious, castaneous on the umbo, dis- 
tinctly rugose-radiate or reticulate-rugose, margin concolorous, not striate, splitting with age; 
lamellae just free, crowded, ventricose, not very broad, citrinous to salmon-colored, entire 
and white on the edges; spores subglobose, smooth, rose-colored, uniguttulate, 7 2; stipe long 
and thick, fleshy, hollow, glabrous, longitudinally striate, subequal, citrinous, 9 cm. long, about 
1 cm. thick. 
Type collected on the ground in woods at Glen Brook, Oregon, November 7, 1911, W. A. Murrill 
760 (herb. N. Y. Bot. Gard.). 
DistRIBuTION: Known only from the type locality. 
42. Pluteus magnus McClatchie, Proc. So. Calif. Acad. 1: 383. 
1897, 
Pileus 8-12 mm. thick at the center, very thin toward the margin, convex to expanded, 
cespitose, 10-20 cm. broad; surface fibrillose, glabrous or breaking into scales, white or smoky; 
lamellae subattached, crowded, white to pale-salmon-colored, 10-22 mm. wide; spores irregu- 
lar, globose or oblong, 5-8 X 5 u; cystidia 60-80 u, the apex obtuse or acute; stipe flexuous, 
subequal, fibrillose, solid, white or subochraceous or brownish from the fibrils, 10-20 cm. long, 
18~22 mm. thick. 
TYPE LocaLity: Los Angeles, California. 
Hasirat: On decayed wood. 
DISTRIBUTION: Known only from the type locality. 
43. Pluteus tephrostictus (Berk. & Curt.) Sacc. Syll. Fung. 5: 669. 
1887. 
Agaricus tephrostictus Berk. & Curt. Jour. Linn. Soc. 10: 289. 1868. 
Pileus umbonate, 12 mm. broad; surface white, covered with soft, black, glandular hairs; 
lamellae white to pale-flesh-colored; spores globose; stipe white, slightly glandular, enlarged 
at the base, 12 mm. long, 2 mm. thick. 
TYPE LOCALITY: Cuba. ‘ 
Hasirat: On the under side of old logs. 
Disrrisution: Cuba. 
44, Pluteus alborubellus (Mont.) Pat. Bull. Soc. Myc. Fr. 15: 196. 
1899. 
Agaricus alborubellus Mont. Ann. Sci. Nat. IV. 1: 96. 1854, 
Pileus very thin, membranous, expanded, subumbonate, 5-10 mm. broad; surface gla- 
brous, uniformly reddish-white, margin striatulate, becoming much split; lamellae several 
times inserted, free, convex-attenuate at the ends, concolorous; spores subglobose, 6-8 X 5-6 yu} 
stipe equal, the base dilated to a disk, glabrous, concolorous, fistulose, 1.5~2 cm. done; 1 mm. 
thick. 
TYPE Locatity: French Guiana. 
Hasrrat: On dead branches of Bignonia or other trees in woods. 
DistrRisutTion: Guadeloupe; also in South America. 
45. Pluteus laetifrons (Berk. & Curt.) Sace. Syll. Fung. 5: 677. 
, 1887. 
Agaricus laetifrons Berk. & Curt. Jour. Linn. Soc. 10: 289. 1868. 
Pileus very small, conic to plane, 3-12 mm. broad; surface glabrous, orange-red, margin 
radiate-striate; lamellae broad, yellow; spores globose; stipe slender, glabrous, red, slightly 
enlarged at the base, 2.5 cm. long, 1 mm. thick. 
TYPE LocaLity: Cuba. 
HasitaT: On decayed wood. 
DISTRIBUTION: Cuba. 
