[Illustration: SUSPICIOUS BOLETI. BOLETUS ALVEOLATUS. B. FELLEUS.]
[Sidenote: =The crimson Boletus=]
_Boletus alveolatus_.--Pileus smooth and polished, usually rich crimson
or maroon, sometimes varied with paler yellowish tints. Substance
very solid, changing to blue on fracture or bruise. Tube surface deep
dull crimson or maroon, this color not extending the full length of
the pores, which are yellow a short distance above their mouths. The
stem is quite stout and tall for the size of the cap as compared with
other Boleti. It is mottled in yellow and bright red or crimson, and
conspicuously meshed with a network of firm ridges. The spores are
yellowish brown. A conspicuous and easily identified species.