yellowish, externally dirty-white, as well as the villous, stemlike
base.— Sow. t. 3.
Ou tan-beds, etc. Very rare.
11. P. (Discina) vesiculosa. Bull.; large, entire, sessile, at
first globose, inclining to top-shaped, connivent, then campanulate
; mouth subcrenate, pallid-brown, externally furfuraceous.—
Grev. t. 107; Sow. t. 4.
On dunghills and hotbeds, extremely common. Bolt. t. 175
is probably this species.
12. P. (Discina) mieropns, P . ; middle-sized, oblique, pallid,
squamulose, furfuraceous externally; base stem-like.
(Plate 22, fig. 5.)
On beech-stumps. Very rare. Fineshade, Northamptonshire.
13. P. (Discina) pustulata, P .; sessile, subglobose, pallid,
somewhat dingy, furfuraceous, and dirty-white externally;
margin entire.—Hedw. Muse. Fr. ii. i. 6 A ; {no. 307.)
On the ground. Very rare.
14. P. (Discina) radnla, B. and B r .; large, cup-shaped,
sessile, at length depressed, externally black, rough with
nearly equal warts, within vinous-brown; sporidia globose,
tuberculate.—Ann. of Nat. Hist, xviii. p. 77.
On the ground, in woods. Very rare. Bristol. Analogous
to Genea verrucosa.
15. P. (Discina) viridaria, B. and Br.; middle-sized; mycelium
floccose, expanded, white; cups at first globose, then
hemispherical, at length expanded, watery-grey, externally
rough with brown furfuraceous particles : {m. 555.)
On damp walls and water-butts. Rare. King’s Cliffe.
16. P. (Discina) Inteo-nitens, R. «re« R?'.; crowded, bright-
yellow ; cups concave, nearly regular, at length flexuous: (no.
556.) '
ELVELLACEI . 365
On the bare ground. Rare. King’s Cliffe. At first sight
apparently a variety of P. aurantia, but the sporidia are not
rough.
Subgenus 2. G-eobyxis, Fr.—Veil innate. Cup when young
subglobose, closed, then open and orbicular. Substance fleshy,
rarely flbrous.
17. P. (Geopyxis) macropus, P .; cup hemispherical, cinereous,
hirto-verrucose ; disc mouse-coloured, turning pale ;
stem very long, attenuated.—Grev. t. 70.
On the ground, in woods. Common.
18. P. (Geopyxis) tuberosa. Bull.; thin; cup funnel-
shaped, bright brown, turning pale; stem elongated, springing
from an irregular black tuber.—Sow. t. 63 ; Huss. ii.
t. 10.
On the ground, in woods. Spring. Not uncommon.
Tuber exactly resembling some Sclerotium.
19. P. (Geopyxis) Eapulnm, Bull. ; thin, yellow-brown ;
cup funnel-shaped, nearly smooth; stem twisted; root elongated,
fibrillose.—Bull. t. 485. /. 2.
On the ground. Observed only by Dickson.
20. P. (Geopyxis) oupularis, L . ; nearly sessile, thin, globoso
campanulate, fawn-coloured or pallid, mealy externally;
margin crenate; (no. 308.)
On the ground, in gardens, etc. Not common. Sometimes
yellowish.
21. P. (Geopyxis) sepulta, Fr.; hypogieous, globose, clothed
with dense woolly fibres; hymenium at length exposed by
rupture of the upper portion : (no. 766.)
On the ground. East Bergholt. A coarse, unsightly species.
22. P. (Geopyxis) Cornnbiensis, R. ararfRr.; middle-sized,
sessile, fixed by down; margin alone free, somewhat flatI
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