/4 inch thick, swelling from apex downward, but it often
measures 2 inches in thickness. This Boletus is considered poisonous.

+BOLETUS SUBTOMENTOSUS = almost velvety.+
+The Yellow-cracked Boletus.+

+Cap+ dark brown, 1 to 4 inches broad, convex or nearly plane, soft,
dry, covered with soft, weak, appressed hairs, almost olivaceous, of the
same color beneath the cuticle, often marked with cracks and divided
into little patches; flesh white or pallid. +Tubes+ adnate, or depressed
around the +stem+, yellow, mouths large, angular. +Stem+ 1 to 2 1/2
inches long, 2 to 5 lines thick, stout, somewhat ribbed, or scurfy,
with minute dots. The cap varies in color, it may be yellowish-brown.
We found the dark brown species growing on decaying wood, in pine woods,
during the month of September.

+BOLETUS PIPERATUS = peppery.+
+The Peppery Boletus.+

+Cap+ reddish-brown or ochraceous, 1 to 3 inches broad, convex or nearly
plane, smooth, slightly viscid when moist, flesh white or yellowish,
taste acrid, peppery. +Tubes+ long, large, unequal, plane or convex,
adnate or nearly decurrent, reddish, ferruginous. +Stem+ 1 1/2 to 3
inches long, 2 to 4 lines thick, slender, almost equal, tawny yellow;
at the base a bright yellow. The cap in our specimen was marked with
cracks and patches, and the margin obtuse. The stem was rather curved,
and the same color as the cap. Flesh yellow. Tubes a dark-reddish,
decided color, which makes it a striking-looking mushroom. Taste
peppery.

+BOLETUS SORDIDUS = dingy.+
+The Dingy-colored Boletus.+

+Cap+ a dingy, dark brown, about 2 inches broad, flesh white, tinged
with red. +Tubes+ long, nearly free, 3/8 inch long, white, turning a dark
bluish-green. +Stem+ tapering toward apex, 2 1/2 inches long, curved,
solid, 1/2 inch thick, brownish, marked with darker streaks. The mouths
of tubes were angular, and the stem striate in our specimen. Found in
the woods in August.

+BOLETUS SUBLUTEUS = almost, and yellow.+
+The Small Yellow Boletus.+

+Cap+ brownish yellow, 1 1/2 to 3 inches broad, convex or nearly plane,
viscid or glutinous when moist, often obscurely streaked (virgate).
Flesh whitish or dull yellowish. +Tubes+ plane or convex, adnate, small,
nearly round, yellow, becoming ochraceous. +Stem+ 1 1/2 to 2 1/2 inches
long, 2 to 4 lines thick, equal, slender, pale or yellowish, dotted
above and below the ring with reddish, brownish, moist, or sticky dots
(glandules). +Ring+ alm