10 American Boletes 



5. Ceriomyces griseus (Frost) Murrill 



Pileus broadly convex, 5-10 cm. in diameter; surface sub- 

 glabrous, smooth, dry, light- or dark-gray, rarely slightly brown- 

 ish; context firm, whitish or grayish, yellowish in spots, unchang- 

 ing; tubes adnate, slightly depressed, somewhat decurrent at 

 times, pure-white or whitish, becoming brownish with age and 

 darker when bruised; spores ellipsoid, smooth, ochraceous- 

 brown, 9-14 X 4-5 ix; stipe flexuous, whitish or yellowish, chang- 

 ing to brown when bruised, rarely reddish toward the base, dis- 

 tinctly reticulate, firm, stuffed, becoming hollow at times, 5-10 

 cm. long, 0.5-1.3 cm. thick. 



Occasional in open woods from New England to North Caro- 

 lina. Edible. 



6. Ceriomyces chromapes (Frost) Murrill 



Pileus convex to expanded, 4-8 cm. broad, i cm. or more 

 thick; surface slightly tomentose, the fine, tangled fibers very 

 distinct under a lens, pale-tan to rosy-isabelline or pale-red; 

 margin acute to somewhat obtuse, concolorous; context white, 

 unchanging, taste mild; tubes free or slightly attached, creamy- 

 white to pale-brown or reddish-brown, becoming flesh-colored 

 and finally brownish with age, mouths small, subcircular, con- 

 colorous; spores oblong-ellipsoid, smooth, subhyaline, 11-14 

 X 4-5 m; stipe equal, tapering above, pallid or pinkish with red 

 or brown scales, bright-yellow at the base, rarely entirely yellow, 

 sometimes faintly reticulate above, solid, bright-yellow within, 

 especially at the base, 6-9 cm. long, 1-1.5 cm. thick. 



Common in open woods from Nova Scotia to Georgia and 

 Mississippi. Edible. 



7. Ceriomyces viscidus (L.) Murrill 



Pileus convex, thick, fleshy, 4-10 cm. broad, 1.5-3 cm. thick; 

 surface smooth, glabrous or minutely tomentose, slightly viscid 

 when moist, varying in color from white to shades of brown or 

 red; margin thick, subacute, sometimes appendiculate; context 

 1.5 cm. thick at the center, white or whitish, becoming flesh- 

 colored or slightly darker when bruised, taste mild; tubes long, 

 slender, free or nearly so, depressed, white or greenish-yellow, 

 becoming brownish with age and flesh-colored or blackish when 

 bruised, mouths circular, edges thin; spores oblong, smooth, 

 snuff-brown, 13-16 X 4-6^11; stipe firm, solid, tapering upward, 

 bulbous at the base, whitish, especially above, brownish-cinereous 

 below, roughened with numerous reddish or brownish dots or 

 scales, 5-15 cm. long, 1-2 cm. thick. 



