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A G A R IC U S CEPÆSTIPES.
Common Bærk-bed Agaric.
C l a s s a n d O k d e k CRYPTOGAMIA FUNGI, Linn— S a t . O k d . FUNGI, Link.
GEN ERIC CHARACTER.
Pileus slipitalus aut latere affixus, subtus lamellis reclis, simplicibus, sporidiferis.
Volva nulla.
Pileus furnished with a stipes, or fixed by its side ; hearing on the under
surface, straight, simple, sporidiferous lamellæ. Volva none.
S P E C IF IC CHARACTER.
A g a r ic u s c e p æ s t i p e s ; pileo campanulalo, demum piano, sparsim squamosa,
margine plicato tenuissimo, lamellis liberis, stipite cavo, ventricoso, Icevi, an-
nulato.
Ao. pileus campanulate, a t length plane, more or less scaly, the margin plicate,
very thin, lamellæ free ; stipes hollow, ventricose, glabrous, annulated.
A g a r ic u s cepæstipes, Smv. Fung. t. 2 .—Pers. Syn. Fung. p. 416. Alb. el
Schwein. p. 203.— De Cand. Fl. Franç. v. 2. p. 202.— Ejusd. Syn. p. 41.
— Schwein. Fung. Carol. No. 718— Fries, Syst. Mycol. v. 2. p. 280.
A g a r ic u s luteus. With. Bot. Arr. v. 4. p. 289.— Hook. Fl. Scot. Pt. 2. p. 22.
A g a r ic u s cretaceus. Bull. t. 374.1— With. Bot. Arr. v . 4. p. 273. ?— Purt.
Midi. Fl. V. 3. p. 212..?— Fries, Syst. Myc. v . 1. p. 280. ?
H a b . On bark beds in stoves and hot-houses. Summer and autumn.
Gregarious or tufted. Whole plant white, pale sulphur colour or yellow.
Pileus 1-3 inches broad, ovate-conical when young, then campanulate,
and finally nearly or quite plane, darkest in the center, and more or
less covered with small scattered fibrous scales, the fiesli thin, and vanishing
entirely towards the margin, which is plicate and semitranspare
n t; the substance is, however, tough, and bears folding between the
fingers without laceration. LameUoe numerous, thin, in no regular series,
the extremities next the stipes broad and rounded, and separated
from it by a circular space. Stipes 3-6 inches high, straight or crooked,
firm, even, smooth, narrow at the top, but ventricose below, and then
narrower again at the very bottom, somewhat pruinose, the center at
first filled with delicate silky fibres, at length hollow. Annulus perfect,
erect, persistent. Sporidia white, copious, elliptical.
In decay, the pileus turns brownish, and, according to its situation, either
dries up, or becomes covered with little globules of fluid, and gradually
dissolves.
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