B. sor´didus Frost—sordid. Pileus convex, subtomentose, dirty dark-brown. Flesh white, slightly tinged with green. Tubes long, nearly free, at first white, changing to bluish-green. Stem smaller at the top, brownish, marked with darker streaks, generally greenish above. Spores 10–13×5µ.
Pileus about 2 in. broad.
Recent excavations in woods. New England, Frost; Ohio, Morgan.
The Ohio plant occurs in damp woods, has the flesh sometimes tinged with red and green, the tubes white, then sordid, but changing to bluish-green when bruised, their mouths large and angular, the stem somewhat flexuous and striate and the spores fusiform and dirty-brown, Peck, Boleti of the U.S.
B. versipel´lis Fr. Pileus convex, dry, at first compact and minutely tomentose, then squamose or smooth, reddish or orange-red, the margin appendiculate with the inflexed remains of the membranous veil. Flesh white or grayish. Tubes at first concave or nearly plane, almost or quite free, minute, sordid-white, their mouths gray. Stem equal or tapering upward, solid, wrinkled-scaly, whitish or pallid. Spores oblong-fusiform, 14–18×4–6µ.
Pileus 2–6 in. broad. Stem 3–5 in. long, 4–10 lines thick.
Woods and open places, especially in sandy soil. North Carolina, Curtis; New England, Frost; New York, Peck; California, H. and M. Peck, Boleti of the U.S.
West Virginia, New Jersey, Pennsylvania. McIlvaine.
The caps are good cooked in any way.