Alveolate Boletus - Boletus alveolatus

Pileus: Smooth, polished; bright, deep crimson or maroon, occasionally mottled or marbled with yellowish; three to six inches in diameter.

Flesh: Firm and solid in substance; pale greenish or yellowish white, changing blue in fracture or where bruised.

Tubes: Tube-surface reaching the stem proper; undulate with uneven hollows; maroon, the tubes in section being yellow beyond their dark red mouths.

Spores: Yellowish brown.

Stem: Usually disproportionately long, covered with depressions or oblong pitted indentations, with intermediate coarse network of raised ridges; red and yellow.

Habitat: Woods; quite common.

Bitter Boletus - Boletus felleus

Pileus: At first firm in substance, becoming soft and cushionlike; smooth, without polish, varying in color from pale ochre to yellowish or reddish brown; diameter three to nine inches.

Flesh: White on immediate section, generally changing to slight pinkish or flesh color in fracture.

Tubes: Tube-surface rounded upward as it reaches stem; white at first, becoming dull pinkish with age, or upon being bruised.

Spores: Flesh colored or dull pink.

Stem: Usually quite stout, nearly as smooth as the cap, and somewhat lighter in color; more or less ridged with coarse reticulations, occasionally covered with them to its thickened base.

Taste: Bitter.

Habitat: Rich woods and copses, often about decaying trunks.

Suspicious Boleti.

Plate XXIV Boletus Alveolatus. Boletus Felleus.

The crimson Boletus