centre of pileus, sometimes pendulous, at other times hoof-shaped and
triangular in section.
b. CoriacecB.
1600. P. hirsutus Fr. (from the hairy pileus; hirsutus, hairy) abc.
P. becoming plane, depressed behind, zoned with furrows, varying
white, pale slate-brown or brassy-yellow; z. yellowish-
brown. T. long, deep, ochreous-white. Po. torn, whitishsalmon.
Flesh thin, corky-coriaceous, colour as T.
Single to imbricate, effused behind. Dead trunks, branches, willow, oak,
beech, poplar, plum. Oct.-Mar. P. i f in. diam. Pores much larger
than in 1603.
1601. P. velutinus Cooke (from the velvety pileus; velluetum, velvet)
abc.
P. plane, slightly zoned, white to ivory-ochreous; marg. white.
T. short, white. Po. minute, white to yellowish; marg.
barren. Flesh corky-coriaceous, white.
Single to connato-imbricate. Stumps, branches, etc., willow, beecb, fir,
birch ; uncommon. Nov. Group 2j in. diam. P. I® in. diam.
1602. P. zonatus Fr. (from the zoned pileus) abc.
P. convex, tubercular-gibbous behind, villous; z. unicolorous to
varying ivory, ochre, brown, rufous, sienna, etc., or whitish-
yellow, graduated and zoned sienna. Po. minute, biscuit.
Flesh corky-coriaceous, yellowish-white.
Single to subimbricate. Trunks, elm, poplar, birch. June-Oct.
P. 3® in. diam.
1603. P. versicolor Fr. (from its variable colours) abc.
P. even, velvety, shining pale smalt-blue, sooty-slate, or of
various tints of ochre, ivory, brown or greenish. T. shallow.
Po. minute, ivory; marg. barren. Flesh thin, rigid-coriaceous,
ivory.
Imbricate. Dead wood, fences, branches, encircling twigs, back of an old
brush, oak, willow, alder. April-Feb. P. 5® in. diam. The tubes are
sometimes bright orange or vermilion from the growth of a parasitic
mould, Hypomyces aurantius. When growing on sticks, if the stick is
inverted, a new hymenial surface with pores will appear on the downward
pileus. Pores sometimes wholly eaten away by bisects. 1774 sometimes
grows on this. Var. fuscatus Mass. P. brown. Po. torn into teeth,
yellow.
1604. P. abietinus Cooke (from its habitat, fir-trunks; Abies, fir) abc.
P. villous, white, zoned dove-grey; marg. sometimes purplish.
T. very shallow. Po. unequal, pale slate, becoming pale
brown to vinous- or purplish-sienna. Flesh very thin, pale
brown.
Connato-imbricate, effuso-reflexed. Fir, cedar, cypress ; common. Jan.-Nov.
Group 3® in. diam. Pileus frequently overgrown by green algie. Sometimes
wholly resupinate with a broad white woolly margin. Must not
be confounded with 1610.
1605. P. Wynnei Cooke (after Mrs. Lloyd Wynne) abc.
P. membranous, marked with silky raised lines, faintly brownish,
yellow-white, sometimes orange or tan. T. varying in length.
Po. small, whitish.
Effuso-reflexed, almost wholly resupinate. Running over twigs, grass, etc.,
around stems of Carex paniculata. Sept.-Dee. Group 3 m. diam. Pore
surface with barren places in middle and at margin.
LXV. PORIA Pers.
(From the porous hymenium.)
Resupinate, forming more or less extended patches or
.1 ____ P>r„,-e7c -rrvrminrr cx r o n t im im i 5 ;
thin
membranous expansions. Pores forming a continuous stratum,
springing from a thin, often rudimentary subiculum. (Fig. 80.)
Fig. 80.— P o ria vapo ra ria Cooke.’
, in section. One-half n atural size, c, section.
This is almost entirely the section of Polyporus named Resupinatce
bv Fries, the sequence adopted is that of the Hymenoinycetes Europcei.
Species 1605a—1648
Pores ferruginous or cinnamon. 1605a 1609
Pores purple or violaceous. 1610, 1611
Pores red. 1615
Pores yellowish. 1620
Pores at first white, changing colour. 1621 1627
Pores usually persistently white, minute crowded, round, equal.
’ 1628— 1635
Pores persistently white, unequal, angular, crowded, commonly
somewhat large. 1636—1643
Pores white, superficial, distant, punctiform. 164A 1646
Of uncertain affinity. 1647, 1648