116 FUXGUS-FLORA. 



smooth, continuous, straight, 5-9 x 2-2*5 fx; paraphyses 

 slender, slightly thickened and almost colourless at the tip. 



Peziza pulveracea, A. & S., Consp. Fung. Nisk., p. 342, t. 8, 

 fig. 2. 



On bark of holly, birch, beech, sloe, &c. 



Specimen in Yize, Micro-Fung. Brit., n. 387, examined. 



Cenangium amoenum. Mass. 



Ascophores sometimes caespitose, sometimes circinate, 

 arising from a blackish stroma, subglobose and closed at first, 

 then expanding and becoming obconic and truncate ; disc 

 orbicular, nearly plane, immarginate ; fleshy, glabrous, 

 shining golden yellow, 1-1-5 mm. across; asci elongated 

 cylindric-clavate, 8-spored ; spores irregularly biseriate, 

 elliptic-oblong, hyaline, continuous, usually slightly curved, 

 16-19 X 5-6 ix. 



Dermatea amoena, Tub, Bot. Ztg., 1853, p. 54; Phil., Grew, 

 vol. xvi. p. 94. 



Pezicula amoena, Tub, Carpob, iii. p. 184, pi. 21, figs. 1-9; 

 Sacc, Sylb, viii. n. 2022 (in note). 



On dead oak branches. Autumn. 



Cups not exceeding J a line, bursting forth in masses from 

 the dry bark in autumn and winter. Spermatia naked, i.e., 

 not inclosed in spermogonia, evanescent; they are straight 

 or curved and continuous, 3J-4 rarely 6 /x long. Stylospores 

 or conidia are produced in little unequal locula within the 

 stroma, escaping through narrow chinks. They are narrowly 

 oblong, sometimes claviform, continuous, 192-225 /x long, 

 4-5 or sometimes 6-7 \x broad. (Phillips.) 



Cenangium cerasi. Mass. 

 In groups of 2-4 or solitary, erumpent, sessile, at first 

 globose, closed, and reddish-brown, expanding and becoming 

 plane with a slightly raised, often wavy margin, disc 

 blackish-brown, 2-4 mm. across ; externally blackish, 

 wrinkled, more or less mealy ; hypothecium and excipulum 

 yellowish, consisting of rather thick, intricately interwoven 

 hyphae, passing at the extreme surface into a pseudoparen- 

 chymatous cortex of small, dark brown cells; asci clavate, 

 thick-walled, 6-8 - spored ; spores irregularly biseriate, 

 smooth, hyaline, cylindric-fusiform, ends obtuse, often 1-2- 



