20 American Boletes 



Frequent in woods and copses from Vermont to Alabama and 

 reported as far west as Missouri. 



31. Ceriomyces subpallidus Murrill 

 Pileus hemispheric, only slightly expanding, 5 cm. broad, 2 cm. 

 thick; surface dry, smooth, glabrous, feeling very much like 

 soft kid, avellaneous-isabelline, not becoming white-spotted nor 

 having a separable pellicle; margin entire, fertile, the tubes 

 slightly projecting; context milk-white, entirely unchanging, 

 very light in weight, spongy-fleshy; tubes yellow or greenish- 

 yellow within, equaling the thickness of the context, adnate, 

 plane in mass, becoming somewhat depressed next to the stipe, 

 mouths dark-melleous, becoming browner with age, slightly 

 angular, of medium size; spores fusiform, smooth, pale-ochraceous 

 under a microscope from dried specimens, 10-12 X 4-5 /*; stipe 

 cylindric, equal, curved at the base, white, delicately but dis- 

 tinctly reticulate nearly to the base, sUghtly pruinose, solid, 

 white and unchanging within, about 5 cm. long and i cm. thick. 

 Known only from Pink Bed Valley in western North Carolina, 

 growing under oaks and chestnuts. 



32. Ceriomyces retipes (Berk. & Curt.) Murrill 

 Pileus convex above, concave or plane beneath, rarely cespi- 

 tose, 5-12 cm. broad, 1-2 cm. thick; surface dry, opaque, some- 

 what viscid when wet, minutely tomentose to glabrous, some- 

 times covered with a yellow pulverulence, varying in color from 

 yellow or yellowish-brown to fuliginous; context firm, light- 

 to deep-yellow, unchanging, mild or slightly bitter; tubes adnate, 

 slightly decurrent, somewhat depressed with age, i cm. or more 

 long, clear-lemon-yellow when young, becoming dull-yellow at 

 maturity, darker with age, but not changing when wounded, 

 mouths circular to angular, less than i mm. broad, slightly 

 flesh-colored when bruised; spores oblong, smooth, yellowish- 

 brown, 11-14 X 3-4.5 m; stipe subequal, often bulbous at the 

 base, distinctly and beautifully reticulate, sometimes entirely 

 to the base, yellowish-pulverulent in some specimens, yellow 

 and firm within, yellow or yellowish-brown without, 5-12 cm. 

 long, 0.5-2 cm. thick. 



Common in thin woods from Nova Scotia to Alabama and 

 west to Wisconsin and Missouri. 



33. Ceriomyces alabamensis Murrill 

 Pileus plane when expanded, solitary, 7 cm. broad; surface 

 smooth, glabrous, yellowish-brown, with partially separable 



