144 NORTH AMERICAN FLORA [VoLUME 9 
slender, curved, tapering above, 5-7 cm. long, 0.4-0.8 cm. thick, viscid, reddish-brown with 
dark fibrils or dots, pale-yellowish above and below, solid, white to pale-yellowish within. 
TYPE LOCALITY: Trexlertown, Pennsylvania. 
HABITAT: In open woods. . 
DISTRIBUTION: Connecticut to North Carolina and Kentucky. 
22. Ceriomyces Atkinsonianus Murtill, sp. nov. 
Pileus convex to nearly plane, 9-14 em. broad, about 2.5 cm. thick; surface smooth, 
glabrous, viscid when wet, sometimes becoming rimose-areolate, leather-colored to fulvous, 
often with a pinkish tinge; margin -inrolled when young, extending 3 mm. beyond the 
tubes, entire at first, slightly hoary: context white, becoming pale rose-colored when 
wounded, sweet to the taste; tubes adnate, plane in mass, becoming slightly depressed 
near the stem, straw-colored in young plants, not changing when wounded, becoming 
olivaceous with age owing to the ripening of the spores, mouths small, circular, concolorous, 
4-5 toa mm., not stuffed when young, edges thin, entire: spores fusiform, smooth, dark- 
olivaceous to dull-brownish in mass, 11-13 4-5; stipe tapering upward, somewhat bul- 
bous at the base, glabrous, even, subconcolorous, cartilaginous, pale-yellow at the apex, 
solid, white and unchanging within, about 9-12 cm. long and 1-3 cm. thick. 
Type collected on the ground in deciduous woods in Pink Bed Valley, North Carolina, July, 
1908, W. A. Murrill & H. D. House 64. 
DISTRIBUTION: North Carolina and New York. 
ILLUSTRATION: Atk. Stud. Am. Fungi p/. 55, f. 165 (as Boletus obsoniunt). 
23. Ceriomyces tabacinus (Peck) Murrill, Mycologia 1: 151. 1909. 
Boletus tabacinus Peck, Bull. Torrey Club 23: 418. 1896. : 
Pileus convex, 6-12 cm. broad; surface dry, finely tomentose, often becoming rimose- 
areolate, wood-brown to dark cinnamon-brown: context white, firm, unchanging when 
wounded, soft and tawny-brown, almost tomentose in texture at maturity, taste mild ; 
tubes sinuate, short, concave or nearly plane in mass, mouths small, angular or subcircular, 
whitish-stuffed when young, becoming pale yellowish-brown : spores very slender, smooth, 
pale-yellowish, 123: stipe at first almost globose, becoming subequal, thick, slightly 
tapering above, concolorous, reticulate, solid, 4-8 cm. long, 1-3 cm. thick. 
TYPE LOCALITY: Alabama. 
HasitaT: In red clay, on banks of ditches. 
DISTRIBUTION: Alabama. 
24. Ceriomyces speciosus (Frost) Murrill, Mycologia 1: 151. 1909. 
Boletus speciosus Frost, Bull. Buffalo Soc. Nat. Sci. 2: 101. 1874. 
Pileus thick, compact, subglobose to convex, 7-15 cm. broad; surface glabrous or sub- 
glabrous, smooth, slightly moist, red: context firm, lemon-yellow, changing to greenish- 
blue when wounded and afterwards changing back to yellow, taste nutty; tubes adnate, 
plane or slightly depressed, lemon-yellow, becoming dingy with age, changing to blue 
when wounded, mouths small, circular: spores fusiform, smooth, pale ochraceous-brown, 
10-12 X 4-5: stipe stout, solid, reticulate, vivid lemon-yellow without and within, slightly 
reddish at the base at times, 5-10 cm. long, 2-5 cm. thick. 
TYPE LOCALITY: Brattleboro, Vermont. 
HapitatT: Thin deciduous woods. 
DISTRIBUTION : New England to North Carolina and Tennessee. 
25. Ceriomyces Peckii (Frost) Murrill, Mycologia 1: 151. 1909. 
Boletus Peckwt Frost; Peck, Ann. Rep. N. Y. State Mus. 29: 45. 1878. 
Boletus roseotincius Peck, Bull. Torrey Club 27: 612. 1900. (Type from North Carolina.) 
Pileus rather thick, firm, convex or nearly plane, 4-7 em. broad; surface dry, subgla- 
brous to pruinose or slightly velvety, pale- or deep-red, usually fading to pale-tan or buff- 
brown with age or on drying; margin incurved, entire, concolorous: context firm, white 
or yellowish, bluish when bruised, taste unpleasant; tubes short, adnate or slightly decur- 
rent, nearly plane in mass, yellow, changing to blue when wounded, mouths minute, cir- 
