í A ' I
On dead wood. Rare. Twycross, Rev. A. Bloxam. Not
separable, like M. corium.
7. M. pallens, B .; adnate, thin, inseparable, pale-reddish,
fleshy, suhgelatinous; folds poriform; margin indeterminate.
—Amn. of Nat. Hist. ser. 1. vol. vi. p. 358.
On fir-wood. Rare. Nottinghamshire and Leicestershire.
Pores minute.
8. M. CarmiehaeRanus, B . ; white, extremely thin, forming
effused, entirely resupinate, irregular, interrupted, confluent
patches; folds forming regular angular reticulations;
dull brown when dry.—Grev. t. 224.
On bark. Very rare. Appin, Capt. Carmichael. Porming
a mere pellicle, with minute, often hexagonal, extremely shallow
pores.
9. M. lacrymans, F r .; large, fleshy but spongy, moist,
ferruginous-yellow, arachnoid and velvety beneath; margin
tomentose, white; folds ample, porous, and gyroso-dentate.
(Plate 2, fig. 1.)—Huss. i. t. 3.
In cellars and hollow trees. Too common. Often dripping
with moisture. Sometimes several feet in width. I do not
consider M. pulverulentus more than a mere form of the same
thing. Dry Rot is caused mainly by this fungus.
10. M. anrantiaeus, Klotzsch; pileus tough, carnoso-co-
riaceous, efiuso-reflexed, zoned, tomentose, between yellow and
dirty-white, here and there cinereous; folds minute, subpori-
form, dull-orange.
On dead beech-trees. Rare. Scotland, Klotzsch. Allied
to the last.
24. POBOTHELIUM, Fr.
Hymenophorum mycelioid, covered with distinct papilla;, at
first closed, then open like pores.
1. P. Prieaii, Mont.; effused, confluent, flocculoso -mem-
branaceous, white, inclining to tan-colour; circumference
simple; papilla; immersed, yellowish, at length open, pitchershaped.—
Ann. de Sc. Nat. ser. 2. vol. v. p. 339.
On pine-wood. Very rare. Castle Semple, Klotzsch.
Wraxall, Somersetshire, C. E. B. Wothorpe, Northamptonshire.
Pores often crowned with a pellucid drop.
25. EISTULINA, Bull.
Hymenophorum fleshy. Hymenium inferior, at first papillose
; the papillae at length elongated, and forming distinct
tubes.
1. P. hepática, F r .; fleshy and juicy, rootless; pileus undivided,
blood-red. (Plate 17, fig. 1.)—Huss. i. t. 65.
On trunks of old oaks. Common. Esculent. Sometimes
attaining an enormous size. Tubes flesh-coloured or yellowish.
Obdee 3. H T B N F I.
Hymenium spread over the surface of spines, teeth, persistent
papillæ, etc., and not lining impressed pores or tubes.
26. HYDNUM, L.
Spines awl-shaped or compressed, distinct at the base.
* Stem central.
1. H. imbricatnm, L. ; pileus fleshy, nearly plane, somewhat
umbilicate, rough with tessellated scales, floccose, zoneless,
umber ; stem short, even ; spines decurrent, pale-cinereous.—
Grev. t. 71.