Part 4, 1915] AGARICACEAE 231 
forking, adnate, thin, close, narrow; stipe white, equal, glabrous, stuffed to hollow, 2.5 cm. 
long, 4-6 mm. thick: spores pale-yellow, globose, slightly echinulate, 8-9 » in diameter. 
TYPE LOCALITY: Ellis, Massachusetts. 
DISTRIBUTION: Massachusetts and Vermont. 
ILLUSTRATIONS: Bull. N. Y. State Mus. 139: ol. Z, f. 9-13. 
XXIII. Alutaceae. Pileus with separable pellicle; surface viscid when wet, some shade 
of red but variable in color; margin becoming striate: context white, unchanging, mild; 
lamellae yellowish at first, becoming deep-yellow, equal, not forking: spores ochraceous. 
98. Russula alutacea (Pers.) Fries, Epicr. Myc. 362. 1838. 
Agaricus alutaceus Pers. Syn. Fung. 441. 1801. 
Russulina alutacea Schrét. Krypt.-Fl. Schles. 31: 552. 1889. 
Pileus fleshy, convex, expanding and becoming subumbilicate, 8-15 cm. broad; surface 
dull-red or dark-reddish-purple, fading especially on the disk, greenish shades often appearing 
with the fading, the pellicle separable, viscid when wet, glabrous; margin even at first, some- 
what striate-tuberculate with age: context white, rather firm, mild, without special odor; 
lamellae pale-yellow at first, becoming deeper yellow or alutaceous with age, equal, simple, 
rather broad, subdistant, not pruinose, nearly free; stipe white, often tinged with red or 
purple-red, equal, solid, up to 10 em. long, 1-3 em. thick: spores ochraceous, broadly elliptic, 
echinulate, 7-8.7  8.7-10.5 y. 
TyPE LOCALITY: Europe. 
Hasitat: In oak, maple, or mixed woods. 
# DistrrsuTion: New England to North Carolina and west to Michigan and Colorado; also in 
rope. 
In.ustrations: Atk. Stud. Am. Fungi pl. 36, f.2; Cooke, Brit. Fungi pl. 1096, 1097; Gill. Champ. 
Fr. pl. 196 (597); Hard, Mushrooms f. 148. 
Exsrccatt: Herpell, Prap. Hutpilze 51; Rav. Fungi Car. 2: 6; Sydow, Myc. Mar. 604; Thiim. 
Fungi Austr. 912. 
99. Russula chamaeleontina Fries, Epicr. Myc. 363. 1838. 
Pileus fragile, thin, plane or depressed, up to 5 cm. broad; surface varying from rose-red 
to purple and lilac, the disk or entire surface becoming yellow or at times yellow from the first, 
viscid, with thin, separable pellicle, glabrous; margin even, then somewhat striate: context 
white, mild; lamellae yellow, equal, adnexed or free, narrow; stipe white, spongy-stuffed, 
becoming hollow, striate, 2-5 cm. long, 0.4-1 cm. thick: spores subglobose, ochraceous, 
echinulate, 7 X 7-8.7 yu. 
TYPE LOCALITY: Europe. 
Hasirat: In mixed woods or pines, 
DISTRIBUTION: Vermont to Michigan and Colorado, and south to the District of Columbia; also 
in Europe. 
ILLUSTRATIONS: Britz. Hymen. Siidb. Russ. f. 95; Cooke, Brit. Fungi 1. 1098; Ricken, 
Blatterp. Deutschl. pl. 18, fees 
100. Russula abietina Peck, Ann. Rep. N. Y. State Mus. 54: 180. 
1901. 
Pileus fleshy, convex, becoming plane or slightly depressed in the center, 2.5-6.5 cm. broad; 
surface vinous-purple, greenish-purple, or olive-green, with brown, blackish, or greenish 
center, covered with a viscid, separable pellicle, glabrous; margin tuberculate-striate: context 
fragile, thin, white, mild; lamellae whitish, becoming pale-yellow, equal, not forking, subdis- 
tant, broad and rounded at the outer ends, narrowed and nearly free at the inner, ventri- 
cose; stipe white, equal or tapering upward, glabrous, stuffed or hollow, 2.5-6.5 cm. long, 
0.5-1 cm. thick: spores bright-yellowish-ochraceous, subglobose, echinulate, 7.5-10, in 
diameter. 
TYPE LOcALIty: New York. 
Hasirat: Under balsam fir trees. 
DISTRIBUTION: New England and New York to Michigan, Colorado, and Washington. 
In.ustrations: Ann. Rep. N. Y. State Mus. 54: 91. 7, f. 1-11. 
