102 
NEW AND RARE BRITISH FUNGI. 
yet destitute of hairs of any kind that would justify placing it 
in that section. A more extensive series of specimens may throw 
some further light on its nature. 
* Peziza (Hymenoscyphae) pseudo-tuberosa. Rehm. Asco., No. 106. 
On acorns. North Wootton. Nov., 1879. 
136. Peziza (Hymenoscyphae) concolor. Phil. Stevenson , Myco. 
Scot .p. 321. 
Gregarious, minute, stipitate, pallid, or dirty white, firm, thin, 
hemispherical, roughish ; margin minutely fi nbriate ; asci cylin- 
drical -clavate ; sporidia 8, oblong, rounded at the ends, 'OJ8-*Ol 
+ *002-*003 mm., simple ; paraphyses filiform. 
Cups \ -1 mm. across. 
On hard decorticated wood. Scotland. April. Rev. J. Keith. 
137. Peziza (Mollisia) versicolor. Desm. Ann. Sc. Nat., 1853. XX., p. 
230. Stevenson, Myco. Scot., 325. 
Very minute, sessile, white- hyaline, fragile, glabrous, at first 
globose, then turbinato-concave, slightly furfuraceous externally; 
margin sub-denticulate ; asci clavate ; sporidia 8, oblongo-fusi- 
form, biseriate, 'Ol-'Olb x ’003 mm. 
On fronds of dead Pteris aquilina. June. Scotland. The 
Rev. J. Keith. 
We could not observe the change of colour which M. Desma- 
ziere says this species assumes when punctured. 
138. Peziza (Mollisea) melatephra. Lasch. Rdbh. Herb. Myco., 
No. 825. Stevenson, Myco. Scot., p. 326. 
Minute, gregarious or scattered, soft, glabrous, rugulose, 
erumpent, sessile, nearly black, whitish at the margin, hymenium 
pallid-cinerious ; asci subclavate; sporidia narrowly fusiform, 
biseriate, *012 X *001 mm., spuriously uniseptate ; paraphyses 
slender. 
On dead stems of Carex. Aug. Scotland. Rev. J. Keith. 
139. Peziza (XVIollisea) excelsior. Karst. Myco. Fenn., p. 199. 
Stevenson , Myco. Scot., p. 326. 
Gregarious, sessile, disciform, convex, when dry concave, dirty 
white or cinerious ; hymenium pallid ; asci cylindrical, elongato- 
fusiform, ends pointed, numerous nuclei, becoming spuriously 
multiseptate, *05-'065 X , 004- , 005 mm., paraphyses filiform, 
branched. 
On dead stems of Arundo , Aug. Scotland. Rev. Jas. Keith. 
This is allied to P. eustigiaformis, B. & C., but differs in 
sporidia and structure of cup from that species. 
140. Peziza (XVIollisea) fcecunda. Phil. Stevenson., Myco. Scot. p. 326. 
Scattered, minute, at first covered by the epidermis, then 
erumpent, concave, when moist fuliginous, paler on the margin, 
disc fuscous black ; asci broadly clavate ; sporidia 8j fusiform with 
3 to 4 large nuclei, *025-’03 X ‘004--005 mm. ; paraphyses 
filiform, enlarged at the apices. Cups ‘5 mm. across. 
The fruit in this species is large and abundant in comparison 
with the size of the plant. 
