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OUTLINE S OE B R IT ISH FUNGOLOGY.
rate, fimbriated, paler than the pileus.—Sow. t. 345. Huss. i.
t. 29, 31.
On trunks of living trees. Very common. Very dark when
old. Spores yellow.
34. P. spumens, Fr.; dirty-white; pileus fleshy, but spongy,
compact, pulvinate or convexo-plane, wrinkled, hispid, flesh
white; pores seceding, minute, round, acute, entire. (Plate
16, fig. 4.)— Sow. t. 211.
On trunks of various trees. Not common. Very variable
in form. Slightly zoned within.
** Plaoodeemei.—Pileus indurated, clothed with a more or less
decided crust.
35. P. dryadeus, Fr.; pileus rather soft, spongy, then corky,
thick, pulvinate, subferruginous, turning brown; cuticle thin,
soft, pitted, then even and smooth; flesh fibrous, somewhat
zoned, ferruginous as well as the very long, slender, round,
soft pores; orifice at first paler.—Bull. t. 458. Huss. i. t. 21.
At the foot of old oaks. Not uncommon. Often studded
with drops of moisture. Spores white. Cuticle not so manifest
as in several allied species.
36. P. betulinus, F r .; pileus fleshy, then corky, ungulate,
obtuse, smooth, zoneless, covered with a thin, even, brownish,
minutely scabrous cuticle; vertex oblique, forming a sort of
umbo; pores short, minute, round, unequal, white, at length
seceding.— Grev. t. 246.
On hirch-trees. Not uncommon. Makes excellent razor-
strops.
37. P. pallescens, F r.; pileus fleshy and spongy, at length
corky, thin, zoneless, even, smooth, yellowish; margin acute,
of the same colour; pores short, minute, roundish, white, at
length yellowish.—Sow. t. 230.
O h old stumps. Not common. A small species, resembling
some states of P. fumosus.
38. P. vegetns, Fr. ; pileus broad, dilated, smooth, opaque-
brown ; annual zone broad, concentrically sulcate ; substance
floccose, loose, very thin ; cuticle of the second season thick,
separable; pores minute, seceding, umber, the stratum of
each year being separated by a floccose mass.
On lime-trees. Scotland, Klotzsch.
39. P. applanatus, Fr. ; pileus flattened, tuherculate, ohso-
letely zoned, pulverulent or smooth, cinnamon, become whitish,
clothed with a rigid, crustaceous, and at length hrittle skin,
very soft within, loosely floccose ; margin swollen, white, then
cinnamon; pores very small, subferruginous; orifice dirty-
white, brownish when bruised.
On trunks of trees. Scotland, Klotzsch. Bristol, Oxford,
etc. A large plant, with abundant ferruginous pores, and
very soft, often pale, silky flesh.
40. P. fomentarius, Fr. ; pileus ungulate, dilated, thick,
remotely zoned concentrically, smooth, opaque, dingy, then
whitish, soft and floccose within, of a tawny-ferruginous ;
cuticle thick, very hard, persistent; margin and very long
minute pores distinctly stratose, at flrst pruinose, then ferruginous.—
Sow. t. 133.
On trunks of trees. Common. Spores dark.
41. P. nigricans, Fr.; pileus pulvinate, very thick, closely
and concentrically sulcate, smooth, shining, black ; crust very
hard, laccate, persistent; substance ferruginous, extremely
hard; margin very obtuse, ferruginous, as well as the very
small, plane, confluenti-stratose, naked pores.
On hirch-trees. Scotland, Klotzsch. Not found, I believe,
by any one else. A neater and more shining plant than the
following.
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