202 FUNGUS-FLOKA. 



*** On branches of trees and sJirubs. 



Pseudopeziza albella. Mass. 



Erumpent, bursting through the bark in clusters of 4-6, 

 rarely solitary, discoid and almost plane, but usually ir- 

 regular, due to nmtual pressure, sometimes narrowed into a 

 very short, stem-like base, glabrous, thin, whitish or with a 

 tinge of yellow, about f mm. across; cortical cells very 

 narrow and much elongated from base to margin ; asci 

 narrowly clavate, pedicel slender, 8-spored ; spores ir- 

 regularly 2 seriate, hyaline, continuous, narrowly elliptic- 

 oblong, 6-8 x 1 ' 5-2 fji ; paraphyses hyaline, slender, scarcely- 

 thickened at the apex, sometimes forked. 



Peziza albella, Withering, Arr., iv. p. 350. 



Mollisia vulgaris, Gillet, Champ. Fr. Disc., p. 119 ; Phil., 

 Crevillea, vol. xviii., p. 83. 



Pezizella vulgaris, Sacc., Syll., viii. n. 1154. 



Bursting through the bark on dry branches of hazel, 

 sweet chestnut, &c. 



Allied in habit to P. benesueda. 



Specimen examined in Koum., Fung. Gall., n. 2819. 



Pseudopeziza ebuli. Mass. 



Gregarious or crowded, erumpent, globose and closed at 

 first, then cup-shaped, finally almost plane and depressed, 

 about ^ mm. across, disc greyish, externally glabrous, 

 blackisn-grey, margin paler ; excipulum parenchymatous, 

 cortical cells polygonal, brown, becoming elongated and 

 narrow upwards, and running out into short, pale, parallel 

 hyphae at the margin ; altogether blackish when dry ; asci 

 broadly cylindric-clavate, apex narrowed, sessile on a 

 broadish base, 8-spored ; spores hyaline, continuous, ir- 

 regularly 2 -seriate, narrowly cylindric - fusoid or very 

 slightly clavate, 9-12 x 2 /j. ; paraphyses .sub-cylindrical, 

 hyaline, about 2 p, thick. 



Peziza atrata, var. f3 ebuli, Fries, Syst, Myc., ii. p. 148. 



Mollisia ebuli, Phil., Brit, Disc., p. 187. 



Pyrenopcziza ebuli, Sacc., Syll., viii. n. 1486. 



On Sambucus cbulus and stems of willow-herb. 



Specimen in Desm., Cr. Fr., ser. ii., n. 454, examined. 



