uns from ecru drab to
hair-brown with streaks of the latter, and it is very viscid when moist.
When dried the surface of the pileus is shining. The =tubes= are plane
or concave, adnate, tawny-olive to walnut-brown. The tubes are small,
angular, somewhat as in _B. granulatus_, but smaller, and they are
granulated with reddish or brownish dots. The =spores= are walnut brown,
oblong to elliptical, 8--10 x 2--3 mu. The =stem= is cylindrical, even,
olive yellow above, and black dotted both above and below the annulus."

[Illustration: FIGURE 175.--Boletinus pictus. Cap reddish, tinged with
yellowish between the scales, stem same color, tubes yellow, often
changing to reddish brown where bruised (natural size). Copyright.]

=Boletinus pictus= Pk.--This very beautiful plant is quite common in
damp pine woods. It is easily recognized by the reddish cottony layer of
mycelium threads which cover the entire plant when young, and form a
veil which covers the gills at this time. As the plant expands the
reddish outer layer is torn into scales of the same color, showing the
yellowish, or pinkish, flesh beneath, and the flesh often changes to
pink or reddish where wounded. The tubes are first pale yellow, but
become darker in age, often changing to pinkish, with a brown tinge
where bruised. The stem is solid, and is thus different from a closely
related species, _B. cavipes_ Kalchb. The stem is covered with a coat
like that on the pileus and is similarly colored, though often paler.
The spores are ochraceous, 15--18 x 6--8 mu. The plants are 5--8 cm.
high, the caps 5--8 cm. broad, and the stems 6--12 mm. in thickness.

Figure 175 is from plants collected in the Blue Ridge mountains, Blowing
Rock, N. C., September, 1899.

=Boletinus porosus= (Berk.) Pk.--This very interesting species is widely
distributed in the Eastern United States. It resembles a _Polyporus_,
though it is very soft like a _Boletus_, but quite tenacious. The plants
are dull reddish-brown, viscid when moist, and shining. The cap is more
or less irregular and the stem eccentric, the cap being sometimes more
or less lobed. The plants are 4--6 cm. high, the cap 5--12 cm. broad,
and the short stem 8--12 mm. in thickness. It occurs in damp ground in
woods.

The =pileus= is fleshy, thick at the middle, and thin at the margin. The
=tubes= are arranged in prominently radiating rows, the partitions often
running radiately in the form of lamellae, certain ones of them bei