224 NORTH AMERICAN FLORA [VoLUME 
70. Russula fingibilis Britz. Jahresb. Nat. Ver. Augsburg 28: 140. 
1885. 
Pileus convex, then plane, becoming depressed in the center, of medium size; surface 
flavous, buff, or fawn, viscid when wet; glabrous; margin becoming striate-tuberculate: 
context white, mild, without odor; lamellae white, becoming cream-colored with age or in 
drying, equal, some forking next to the stipe, acute at the inner ends, close; stipe white, 
equal, firm, then spongy: spores white, subglobose, minutely echinulate, 6-8 X 8-10 pw. 
TYPE LOCALITY: Bavaria. 
Hapitat: Mixed woods. 
DISTRIBUTION: New Hampshire and Vermont; also in Europe. . . 
InLustrations: Britz. Hymen. Sudb. Russ. f. 32a, 32b; Cooke, Brit. Fungi #1. 1048. 
71. Russula stricta Murrill, Mycologia 4: 166. 1912. 
Pileus firm, convex to expanded, becoming depressed in the center, 5 cm. or more broad; 
surface isabelline with testaceous and ochraceous hues, dry, viscid when wet, with pellicle 
partly separable, glabrous, smooth; margin striate, thin: context white, thin, firm, mild in 
taste, with pleasant odor; lamellae pale-cream-colored, a few forked, adnate, close, rather 
narrow; stipe milk-white, subequal, smooth, glabrous, polished, 5 cm. long, 1-1.5 cm. thick: 
spores white, subglobose, densely and roughly echinulate, 6-8 » in diameter. 
Type Locatity: New York Botanical Garden, New York. 
HasitarT: On the ground in thin oak woods. 
DIstRIBUTION: Known only from the type locality. 
ILLUSTRATION: Mycologia 4: pl. 68, f. 6. 
72. Russula albida Peck, Bull. N. VY. State Mus. 17: 10. 1888. 
Pileus fleshy, thin, convex, becoming nearly plane or slightly depressed in the center, 
2.5-5 em. broad; surface white, often tinged with yellow in the center, slightly viscid when 
moist, glabrous; margin even or slightly striate, thin, sometimes upturned in age: context 
white, mild or slightly and tardily bitterish and unpleasant, edible; lamellae white or whitish, 
equal, entire, sometimes forked at the base, rather close, thin, adnate or subdecurrent, the 
interspaces often venose; stipe white, equal or slightly tapering upward, stuffed to hollow, 
glabrous, 3.5-7.5 cm. long, 6-12 mm. thick: spores white or with a faint yellowish tint, sub- 
globose, about 8 » in diameter. 
TYPE LOCALITY: Sandlake, New York. 
Hapsirat: Among fallen leaves in woods. 
DisTRIBUTION: New England to North Carolina and west to Michigan. 
ILLUSTRATION: Bull. N. Y. State Mus. 105: 1. 96, f. 1-7. 
XVIII. Luteae. Pileus with separable pellicle; surface yellow to isabelline, viscid when 
wet, glabrous; margin even or becoming only slightly striate when old: context white, un- 
changing, mild or at length slightly acrid, without special odor; lamellae equal, simple: spores 
yellow. 
73. Russula lutea (Huds.) Fries, Epicr. Myc. 363. 1838. 
Agaricus luteus Huds. Fl. Angl. ed. 2.611. 1778. 
Russulina lutea Schrét. Krypt.-Fl. Schles. 31: 552. 1889, 
Pileus plane, slightly depressed in the center, 3-6 cm. broad; surface luteous, fading, 
viscid, with separable pellicle, glabrous; margin even or slightly striate with age: context 
white, mild, without special odor; lamellae becoming egg-yellow, equal, venose-connected, 
narrow, especially at the inner ends, close; stipe white, unchanging, spongy-stuffed, then 
hollow, fragile, 3-5 cm. long, 4-10 mm. thick: spores yellow, globose, echinulate, 8-10 in 
diameter. 
TYPE LOCALITY: Europe. 
Hasrtat: Beech woods. 
Us tiantee eta ie pec ireeds to Michigan; also in Europe. 
LLUSTRATIONS: Bres, Funghi Mang. pl. 79; Cooke, Brit. Fungi pl. 1082; Gill. Ch F 
pl. 622; Lucand, Champ. Fr. pl. 66; Ricken, Blatterp. D . i aa 
ExsiccaTi: Sydow, Myc. Mar. 1501. ate a 
