MOLLISIA. 213 



Mollisia vibumicola. Phil., Brit. Disc, p. 185. 



Ascophores gregarious, at first closed and subgiobose, 

 then expanding and remaining slightly concave, J— f mm. 

 across; disc greyish, externally darker, margin minutely 

 granular, due to projecting cells, otherwise glabrous, blackish 

 and concave when dry ; excipulum distinctly parenchy- 

 matous, cortical cells irregularly polygonal, olive, 0—8 /x 

 diameter, having a tendency to run in parallel rows at the 

 margin, the tips becoming free ; asci clavate, tip narrowed, 

 8-spored ; spores 2-seriate, hyaline, smooth, continuous, very 

 narrowly fusiform, straight or slightly curved, 9-12 X I'Sfpi; 

 paraphyses hyaline, slightly clavate at the tips. 



Peziza vibumicola, B. & Br., Ann. Nat. Hist., n. 1170 (1880). 



Pyrenopeziza vibumicola, Sacc, Syll., viii. n. 1509. 



On dead, fallen leaves of Viburnum opulus ; most abundant 

 on the under surface. 



Type specimen examined; also specimen in Cooke's Fung. 

 Brit, n. 050. 



Mollisia nervisequia. Phil., Brit. Disc, p. 179, 

 pi. vi. fig. 33. 



Gregarious in rows, mostly on the veins of the leaf, sessile, 

 subgiobose and closed at first, indistinctly vertically wrinkled, 

 then expanding until saucer-shaped ; disc grey or blackish, 

 externally blackish, glabrous, somewhat paler, irregularly 

 contracted when dry, up to 1 mm. across ; excipulum 

 parenchymatous, hyaline, passing into large, olive-brown 

 cells at the cortex, and arranged in parallel rows at the 

 margin ; asci clavate, tip narrowed, pedicel long, stout, 

 8-spored ; spores irregularly 2-seriate, hyaline, continuous, 

 elliptic-oblong, ends blunt, 10-1-1 X 3—4 /x ; parapbyses 

 hyaline, slender, numerous, tip somewhat thickened. 



Pyrenopeziza nervisequia, Sacc, Syll., viii., n. 1501 ; Rehm, 

 Krypt.-Mora, Disc, p. 029. 



On dead leaves of Plantago lanceolata, especially on the 

 veins. Winter. 



Specimens in Moug. & Nest., n. 780, and Desm. Cr. 

 Prance, ser. i., n. 2012, examined. 



Mollisia plantaginis. Phil., Brit. Disc, p. 133. 

 Gregarious or scattered, sessile, at first appearing as a 



