232 NORTH AMERICAN FLORA [VoLUME 9 
101. Russula Turci Bres. Fungi Trid. 1: 22. 1882. 
Pileus fleshy, thin, from convex to depressed, gregarious, up to 9 cm. broad; surface 
reddish-violaceous or lilac-purple, darker in the center, sometimes becoming yellowish in age, 
viscid when wet, slightly areolate when old; margin even, then striate: context white, mild, 
without special odor; lamellae pallid, soon becoming ochraceous, equal, venose-connected, 
rounded and free behind, somewhat crowded; stipe white, subrugulose, tapering downward, 
soon with hollow spaces within, 3-5 cm. long, up to 1 cm. thick: spores ochraceous, globose, 
echinulate, 8-9 » in diameter; cystidia fusoid, 60-70 X 10 zu. 
TYPE LOCALITY: Italy. 
Hasitat: In coniferous woods. 
DisrR1Bution: From Maine to Vermont and New York, and in Washington; also in Europe. 
ILLUSTRATION: Bres, Fungi Trid. 91. 26. 
102. Russula nauseosa (Pers.) Fries, Epicr. Myc. 363. 1838. 
Agaricus nauseosus Pers. Syn. Fung. 446. 1801. 
Russulina nauseosa Schrét. Krypt.-Fl. Schles. 31: 562. 1889. 
Pileus broadly convex, becoming plane to depressed, up to 5 cm. broad; surface purple- 
brown at the center, shading to garnet-brown or dull-garnet toward the margin, sometimes 
becoming pale, viscid when wet, with the pellicle separable, glabrous; margin becoming 
tuberculate-striate or furrowed: context white, fragile, mild but somewhat nauseous, the odor 
disagreeable with age; lamellae light-yellow, then dingy-ochraceous, with a few shorter ones 
intermingled here and there, adnexed, ventricose, somewhat distant; stipe white, up to 
2.5 cm. long, about 0.8 cm. thick; spores yellow, 8-9 » in diameter. 
TYPE LOCALITY: Europe. 
HasiraTt: On the ground in woods. 
DISTRIBUTION: North Carolina and Vermont; also in Europe. 
ILLUSTRATIONS: Bres. Fungi Trid. pi. 129; Lucand, Champ. Fr. l. 196. 
XXIV. Purpurinae. Pileus with separable pellicle; surface red or violet-purple, or 
white mixed with red, viscid when wet, glabrous; margin even at first, sometimes becoming 
somewhat striate: context white, unchanging, mild, without special odor; lamellae white, 
equal, simple or with some forking: spores white. 
103. Russula purpurina Quél. & Schulzer; Schulzer, Hedwigia 24: 
139. 1885. 
Pileus subglobose, becoming plane or slightly depressed in the center, 4-7 em. broad; 
surface old-blood-red to carmine-lake and rosy-pink, sometimes paler in places, viscid when 
wet, with separable pellicle, glabrous but appearing more or less pruinose when dry; margin 
even, when mature more or less obscurely striate-tuberculate, thin, sometimes upturned: 
context fragile, reddish under the pellicle, otherwise white, mild; lamellae white, becoming 
yellowish in age or in drying, sometimes pink on the edges, which are often floccose and crenu- 
late, mostly equal, not forking, acute at the inner ends, broad toward the outer, rather close; 
stipe colored like the piletus or paler, often white at the apex and base, equal, sometimes tapering 
upward or downward, stuffed, spongy within, 2-7 cm. long, 1-2 cm. thick: spores white, 
globose to subellipsoid, minutely verrucose, 4-8 yu long. 
TYPE LOCALITY: Slavonia. 
Hasirat: In coniferous or mixed woods. 
DIstRIBUTION: From Vermont to Long Island and west to Michigan; also in Europe. 
104. Russula uncialis Peck, Bull. N. Y. State Mus. 12: 10. 1888. 
Pileus thin, convex, becoming plane or slightly depressed in the center, 2-6 cm. broad; 
surface old-blood-red to reddish-old-rose, often darker in the center, viscid when moist, with 
separable cuticle except on the disk, wholly or partly pruinose or pruinose-granular when dry; 
margin even when young, becoming slightly striate-tuberculate: context reddish next to the 
cuticle, elsewhere white, the taste mild; lamellae white, cream-colored in drying, equal, some 
forking near the stipe, venose-connected, acute at the inner ends and somewhat adnate, broader 
