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On dry dead branches in woods. Extremely common. P ileus
silky under a lens, paler rufous, darker in the centre;
gills pallid when old.
15. M. eandidus, F r .; white; pileus submembranaceous,
hemispherical, then plane and depressed, pellucid, naked, at
length sulcato-rugulose; stem stuffed, thin, incurved, minutely
pruinose, floccose at the base, and at length brownish;
gills adnexed, ventricose, distant.—Bolt. t. 39. /. D.
On twigs, etc. This species, as a native of Britain, rests on
tlie quotation by Eries of Bolton’s figure.
** Stem horny, tough, dry; mycelium rhizomorphoid; pileus suhmemhranaceous
; edge at first straight.
a. Stem smooth.
16. M. androsaceus, F r .; pileus membranaceous, convex,
subumbilicate, striate, smooth; stem horny, fistulöse, quite
smooth, black ; gills adnate, distinct, simple, whitish.—Sow.
t. 94.
On leaves, etc., in woods. Extremely common. Pileus
pale-rufous, darker in the centre, minutely silky under a lens.
17. M. rotula, F r .; pileus memhranaceous, convex, umbilicate,
plicate; stem horny, shining, quite smooth, black; gills
broad, few, distant, attached to a collar, distinct from the stem.
(Plate 14, fig. 7.)
Ou fallen twigs, decaying chips, etc., in gardens and woods.
Extremely common. Pileus nearly white.
18. M. graminum, B. and Br.; pileus nearly plane, umbonate,
sulcate, very pale rufous, the furrows paler, umbo
brown; stem quite smooth, shining, black, white ahove; gills
few, subventricose, cream-coloured, attached to a free collar.
(Plate 14, fig. 8.)—Agaricus graminum, Libert, n. 119.
On leaves of grass. Fineshade, Northamptonshire, Aug. 8,
1859, M. J. B. and Mr. Currey. . South of England, C. E.
Broome. Scarcely exceeding 3 lines in breadth. Gills even,
with veiny interstices. A most elegant species, and quite
distinct from M. rotula.
19. M. alliaceus, F r .; garlic-scented; pileus suhmemhra-
naoeous, campanulate, then expanded, somewhat umbonate,
even, then sulcate, turning pale; stem horny, tall, rigid,
black, between velvety and pruinose, base rooting, naked;
gills free, brownish-white.—Jacq. Aust. t. 83.
In woods. Bare. Edinburgh, Capt. Wauch. Not at all
allied to the species which follow.
b. Stem velvety and pilose.
30. M. perforans, F r .; fetid; pileus submembranaceous,
nearly plane, not striate, rugulose, smooth; stem equal, vel
vety, dark-bay, inserted at the base; gills adnate, simple,
dirty-white, frequently dimidiate.—Batsch, f. 10.
On fir-leaves. Not common. Scotland.
21. M. insititius, F r .; inodorous; pileus membranaceous,
tough, convexo-plane, subumbilicate, unpolished, at length
plicato-sulcate; stem horny, floccoso-furfuraoeous, reddish-
brown, attenuated downwards into the simple inserted base;
gills broadly adnate, attenuated in front, distant, simple, unequal,
pallid, white. (Plate 14, fig. 6.)
On leaves, decayed grass, etc. Northamptonshire. In
several localities. This is a variable plant. Some specimens
agree exactly with a figure sent to me by Fries, and with the
character; in others the stem is paler and the pileus less
plicate. The stem, however, is not attenuated downwards.
Sometimes the disc is reticulated. The pileus is generally
nearly white. I have one specimen with a rhizomorphoid mycelium.
My plant is exactly calopus, Libert.
23. M. Hudsoni, Fr.; inodorous; pileus membranaceous.
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