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925a. C. squamosus Morg. (from the scaly pileus and stem ; squama,
a scale) a. ; ï >
P. submembranous, ovoid then expanded, cinereous, covered
with persistent reddish-brown sc., becoming split and
revolute. St. hollow, almost equal, smooth and white above,
scaly as P. below. A. median, small. G. free, ventricose,
white, then reddish-brown and purple-brown, becoming black.
Cæspitose. Base of trunks, elm. Sept. 3J X 4J X § in.
b. Atramentariæ.
926. C. a.tramentarius Fr. (from the ink-like fluid into which the
gills deliquesce ; atramentum, ink) abc.
P. campanulato-expanded, ribbed, sulcate, slate-white, then
slate-purphsh. 57 fibrillose, white, pale umber at base.
A. tormmg a fugacious ridge near base of St. G. grev-umber
to umber-purple and black.
inferior ketchup, preferred by some
k v T ^ ’■»'“isi'ins, near stumps, usually near human
habitations, amongst rubbish, has appeared in abundance on burnt coffee
rich soil, does not grow on dung ; common. June-Nov. 3j X 6# X S in’
Rold’bfiRkL Road in 1889 ; a similar occurr^e nce took place at Dunstable in «18 H99a.mpton
927. C. soboliferus Fr. (from its cæspitose habitat; sobo/es, an
o f f s ho o t , t o bear) a b.
P. irregularly conical, abruptly truncate, then expanded, ribbed,
grey; mid. pale sienna-brownish. 57 furrowed, bluntly
rooting, whitish. A. forming a fugacious ridge near base of
St. G. dark brown-purplish or blackish.
Cæspitose. Base of rotten wooden palings, fences, stumps, elm. Spring
aîîLaUv T ' l ‘^ 4 ^ 3 x 1 ID. The mycelium produces two crops
annually. Intermediate forms between this and 926 occur. Sometimes
Dotn lorms grow in one group.
928. C. fuseeseens Fr. (from the dusky colour of the pileus ; fuscus,
dark, swarthy) a b. r , o ,
ri. campanulate, then revolute, somewhat ribbed, tan • mid
brownish; marg. purplish. St. whitish. A. forming a
fugacious ridge near base of St. G. purple-umber to black
wood, wood in cellars, elm, in woods ; uncommon.
May Dec. 2| x 4^ X J in. Var. rimososquamostis Cooke. P cracked
into angular squamose patches.
c. Picaceoe.
929. C. pieaeeus Fr. (from the white patches on the black ground
ot the pileus ; pica, a magpie; abc .
P. campanulato-expanded, very smooth, then revolute St
smooth, ^ somewhat bulbous, biscuit, furfuraceous below’
G. ventricose, grey, then black.
Somewhat cæspitose. Considered poisonous. Odour often fetid. Grassy
SepT-DeM^ 4 x’ iMx f in ^
930. C. aphthosus Fr. (from the pileus, like a “ thrush ’’-diseased
tongue ; Gr. aphthai, the “ thrush ”) a b.
P. campanulate, pale dull ochreous; sc. darker, grey-brown or
dull sienna. St. fibrillose, glossy white. G. adnate, linear,
black.
Subcæspitose. Hollow trees, wood in cellars, kitchens; rare. Autumn.
X 3 i X A Var. Bdtonii Mass. P. repand, olivaceous.
931. C. floeeulosus Fr. (from the white-floccose scales of the pileus) a.
P. campanulate, pale purplish-grey-tan ; mid. brownish ; marg.
striate. St. whitish. G. slate-purple to fuscous-black.
Usually solitary, sometimes cæspitose. Pastures, gardens ; rare. June-Sept.
4 X 5 X § in.
932. C. similis B. & Br. (from its resemblance to 930 ; similis,
like) a.
P. campanulate, biscuit-white; sc. wart-like, acute, brownish at
apex ; marg. striate. St. white. G. adnate, sublinear,
brownish near edge.
Trunks of dead trees. Sept. i j X 3 X J in.
•isi.
Mt
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933. C. exstinetorius Fr. (from the pileus, shaped like an
mid. livid ; marg.
smooth, whitish.
extinguisher, exstinctor) abc.
P. campanulate, tan- .or ochreous-white;
splitting. 57 subrooting, becoming
G. lanceolate, fuscous-blackish to black.
On the ground, sandy places, about trunks, ash. Sept. 3 X 6 X J in.
934. C. flmetarius Fr. (from the habitat; fimetum, a dunghill) abc .
P. campanulato-expanded, then cracked and revolute, whitefloccose,
becoming grey-slate and black. 57 subrooting,
white villous. G. narrow-lanceolate, black.
Frequently clustered, sometimes solitary. Dung, horse, rich soil ; common.
April-Oct. 2 | X 8J X A Var. pullatus Fr. P. soon naked and
black. Dunghills, rich meadows. Var. macrorhizus Fr. St. bulbous,
rooting. Var. cinereus Fr. P. ashy-grey.
935. C. tomentosus Fr. (from the downy pileus ; tomentum, down) a b.
P. campanulato-expanded, flocculose, grey-white. 57 whitevillous.
G. narrow-lanceolate, fuscous-blackish, edge at first
white.
Subcæspitose. Dung, rich pastures, gardens. Sept. 2j X 3 X A «■
936. C. niveus Fr. (from the snow-white pileus ; nix, nivis, snow) abc.
P. at length flat, revolute, mealy-floccose or squamulose.
57 white-downy, sometimes imperfectly annulate. G, adnexed
or adnate, blackish to black.
Cæspitose. Dung, horse, deer, sometimes invading mushroom-beds. June-
Dee. 2j X 4 j X A There is a var. with white gills and (when
present) colourless spores.
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