202 FUNGUS-FLOEA. 



*** On hranches of trees and shrubs. 



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 mutual pressure, sometimes narrowed into a 

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

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

 narrow and much elongated from base to margin ; asci 

 narrowly clavate, pedicel slender, 8-spore4 ; spores ir- 

 regularly 2-seriate, hyaline, continuous, narrowly elliptic- 

 oblong, 6-8 X 1 • 5-2 jx, ; paraphyses hyaline, slender, scarcelj' 

 thickened at the apex, sometimes forked. 



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



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

 Grevillea, vol. xviii., p. 83. 



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



Bursting through the bark on dry branches of hazel, 

 sweet chestnut, &o. 



Allied in habit to P. henesueda. 



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



Pseudopeziza ebuli. i\[ass. 



Gregarious or crowded, erumpent, globose and closed at i 

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

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

 blackish-grey, margin paler ; excipulum parenchymatous, 

 cortical cells polygonal, biown, 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 /x ; paraphyses sub-cylindrical, 

 hyaline, about 2 fjL thick. 



Peziza atrata, var. /3 ebuli, Fries, Syst. Myc, ii. p. 148. 



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



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



On Samhucua ehulus and stems of willow-herb. 



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



