136 OUT L INE S OF B R IT ISH FUNGOLOGY.
or obsolete, firm, elastic, strigose at the base; gills decurrent,
rather distant, anastomosing behind, dirty-white.—Huss. ii.
t. 19.
On trees, especially laburnum. Late in the autumn, or
winter. Pileus cinereous. A. glandulosus is only a form of
this. At least, 1 have seen decided A. ostreatus with glandular
gills.
18-1. A. (Pleurotns) salignus, Hoffm.; pileus at first compact,
then spongy, subdimidiate, horizontal, at first pulvinate,
even, then depressed, snbstrigose; stem short, white, tomentose
; gills decurrcnt, somewhat branched, eroded, distinct at
the base, nearly of the same colour.
Ou trunks of trees. Not common. Mostly solitary, or at
least not densely imbricated. Ochraceous when old.
I I . Hinddiate, hut not resupinate.
185. A. (Pleurotus) petaloides, Bull.; ascending; pileus
fleshy, entire, spathulate; disc depressed, villous, as well as
the compressed stem ; gills decurrent, crowded, linear, dirty-
white.—Ba«. t. 326, 557.
On the ground, amongst grass. Rare. Purton.
186. A. (Pleurotus) serotinus, Schrad.; pileus fleshy, compact,
viscid ; stem thick, lateral, squamulose, with dingy spots;
gills determinate, crowded, yellow or pallid.
On trunks of trees. Rare. Mossburnford, A. Jerdon, Esq.
Pileus 3-3 inches across. Easily known by its decided stem.
Pileus yellowish or dingy-olive.
187. A. (Pleurotus) mitis, P .; pileus slightly fleshy,
tough, reniform, even, smooth; stem lateral, compressed, dilated
above, clothed with little white scales; gills crowded,
determinate, distinct, white. (Plate 6, fig. 9.)
Ou dead larch. Scotland, Klotzsch. Nottinghamshire,
abundant, hut I have not found it elsewhere. About 1 inch
across. My specimens are pure white, but it is said to be
sometimes rufous, growing pallid as it loses its moisture.
188. A. (Pleurotus) tremulns, Schmff. ; pileus slightly
fleshy, reniform, depressed, tough, even; stem marginal, distinct,
nearly round, ascending, villous; gills adnate, determinate,
linear, distant, grey.—Sow. t. 242.
Amongst moss, on Fungi, etc. Rare. Malvern Hills.
Purton. Scotland, Hooker. Denbighshire, ou Moelfre-uchaf.
About 1 inch across. Grey. Stem attached to the matrix
by a woolly mass.
189. A. (Pleurotus) aoerosus, Fr.; pileus membranaceous,
reniform, plane, striate, somewhat lobed, hygrophanous; stem
very short or obsolete, lateral, somewhat strigose at the base ;
gills determinate, linear, crowded, simple, grey.—Bolt. t. 72.
/ . 3.
On gravel, lawns, wood, etc. Rare. Hitcham, Suffolk,
Prof. Henslow. A small grey species.
I I I . Pileus at first resupinate.
* Pileus fleshy, uniform.
190. A. (Pleurotus) porrigens, P . ; white ;. pileus fleshy,
tough, at first resupinate, then ascending from the extended
base, ear-shaped^smooth above; gills very narrow, linear.
On old pine-trunks. Rare. Inverary, Klotzsch.
191. A. (Pleurotus) septicus, P .; white; pileus thin,
slightly fleshy, resupinate, then reflected, even, pubescent;
stem slender, incurved, pubescent, at length evanescent;
springing from byssoid rootlets; gills distant.—Ro?u. t. 321.
On twigs, decayed Fungi, dung, etc. Not uncommon.'
Pure white, very variable in size and form, but always
small.
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