142 NORTH AMERICAN FLORA [VOLUME 9 
red or chocolate-brown, at times lilac-tinted, darker when bruised ; margin entire, con- 
colorous : context firm, gray or slightly reddish, sometimes nearly pure-white, changing to 
pale flesh-colored, taste mild; tubes adnate, at length depressed, nearly plane, colored 
nearly like the pileus, becoming deep chocolate-brown with age, mouths minute, subcircu- 
lar, stuffed when young: spores oblong, smooth, brownish-ferruginous, 11-15 XK 4-64: 
stipe cylindric, subequal, solid, minutely squamulose or coarsely granular, slightly paler 
than the pilens, greenish-purple within, 5-14 cm. long, 1-3 em. thick. 
TYPE LOCALITY : Brattleboro, Vermont. 
HABITAT: Thin woods, especially on roadside banks. 
DISTRIBUTION : Nova Scotia to North Carolina and west to Kentucky. 
ILLUSTRATION: Bull. N. Y. State Mus. 10: p/. 80, f. 6-12. 
17. Ceriomyces crassus Batt. Fung. Hist. 62. 1755¢ 
Agaricus bulbosus Schaeff. Fung. Bavar. 2: pl. 134. 1763. 
Boletus edulis Bull. Herb. Fr. p/. 60. 1781. 
Boletus esculentus Pers, Obs. Myc. 1: 23. 1794, 
Leccinum edule §. F. Gray, Nat. Arr. Brit. Pl. 1: 647. 1821. 
Boletus separans Peck, Ann. Rep. N. Y. State Mus. 25: 81. 1873. (Type from New York.) 
Boletus decorus Frost, Bull. Buffalo Soc. Nat. Sci. 2: 103. 1874. (Type from Vermont.) 
Boletus limatulus Frost, Bull. Buffalo Soc. Nat. Sci. 2: 104. 1874. (Type from Vermont.) 
Boletus varitpes Peck, Ann. Rep. N. ¥. State Mus. 41: 76. 1888. (Type from New York.) 
Suillus bulbosus Kuntze, Rev. Gen. 3: 535. 1893. 
? Boletus auripes Peck, Ann. Rep. N. Y. State Mus. 50: 107. 1897. (Type from New York.) 
Boletus Atkinsoni Peck, Bull. N. Y. State Mus. 94: 20. 1905. (Type from New York.) 
Boletus nobilis Peck, Bull. N. Y. State Mus. 94: 48. 1905. (Type from New York.) 
Pileus thick, broadly convex, gregarious or cespitose, 6-20 cm. broad, 3-4 cm. thick ; 
surface smooth, glabrous or finely tomentose, subopaque, dry, slightly viscid when moist- 
ened, sometimes pitted or reticulate-rimose, varying in color from ochraceous-brown to 
reddish-brown, sometimes paler; margin acute, entire: context compact, 2-3 cm. thick, 
unchanging, white or yellowish, sometimes reddish beneath the cuticle, taste sweet and 
nutty; tubes adnate, at length depressed, plane in mass, white and stuffed when young, 
yellow or greenish-yellow when mature, changing to greenish-ochraceous when wounded, 
about 2 cm. long, mouths of medium size, angular, edges thin: spores fusiform, smooth, 
greenish-yellow to ochraceous-brown, 12-15 «5-6: stipe subequal or enlarged below, 
stout, concolorous or considerably paler, becoming bluish or discolored when wounded, 
wholly or partially reticulate, solid, tough, fibrous, yellowish within, tinged with red at 
times near the surface, 5-10 cm. long, 3-4 cm. thick. 
TYPE LOCALITY: Bavaria. 
HaBITAT: On the ground in woods. 
DISTRIBUTION: Temperate North America and Europe. 
ILLUSTRATIONS: Batt. Fung. Hist. J/. 29, Schaeff. Fung. Bavar. 2: p/. 134, Bull. Herb. Fr. 
pl. 60, 494; Gill, Champ. Fr. pl. 56; Sturm, Deuts. Fl. Pilze 5: 67.36; Atk. Stud. Am. Fungi pl. 
49, f.2,; pl. 50,51; Barla, Champ. Nice p/. 34; Mcllv. Am. Fungi p/. 118, f. 5; Palmer, Musbr. 
Am. pl. 7, f. 2; Gibson, Edible Toadst. p/. 20; Fries, Sv. Aetl. Svamp. p/. 17; Krombh. Abbild. 
pl. 31; Mem. N. Y. State Mus. 3: pl. 65, f. 1-8; Bull. N. Y. State Mus. 94: pl. R, f. 1-4, Ann. 
Rep. N. Y. State Mus. 48: p/. 36, f. 8-12; 51: pl. 54, f. 1-7. 
aoe Herpell, Prap. Hutpilze 54; D. Sacc. Myc. Ital. #05; Rabenh. Herb. Myc. ed. 
18. Ceriomyces affinis (Peck) Murrill, Mycologia 1: 149. 1909. 
Boletus affints Peck, Ann. Rep. N. Y. State Mus. 25: 81. 1873. 
? Boletus leprosus Peck, Bull. N. Y. State Mus. 8: 135. 1889. (Type from North Carolina.) 
? Boletus crassipes Peck, Bull. Torrey Club 27: 19. 1900. (Type from Pennsylvania.) 
Pileus convex to plane, gregarious or scattered, 5-9 cm. broad; surface glabrous or 
nearly so, slightly viscid when moist, but usually dry, with a thin, separable cuticle which 
easily cracks or rubs off in spots, fulvous, pale-chestnut, ochraceous, or somewhat oliva- 
ceous; margin rather obtuse, entire, slightly projecting beyond the tubes: context some- 
what spongy, white, unchanging or sometimes slowly becoming yellowish, taste mild; tubes 
adnate to nearly free, about 1 cm. long, white or cremeous, becoming subferruginous when 
wounded or at the maturity of the spores, mouths somewhat uneven, 2-3 toa mm., sub- 
circular to angular, stuffed when young: spores oblong, smooth, bright ferruginous-ochra- 
ceous, 8-12 X 4-5: stipe cylindric, tapering downward, usually slightly eccentric, rarely 
