PSEUDOPEZIZA. 197 



Pseudopeziza arenivaga. Mass. 



Scattered or gregarious, erumpent, soft, glabrous, at first 

 globose, soon becoming plane, about 1 mm. across ; disc 

 whitish, dark when dry, externally brown, margin entire ; 

 •cortex parenchymatous, cells irregularly polygonal, be- 

 coming parallel at the margin, everywhere dark brown, 

 8-12 jx diameter; asci stout, cylindric-clavate, apex slightly 

 narrowed, base usually abruptly contracted into a short, 

 oblique pedicel, 8-spored ; spores irregularly 2-seriate, 

 hyaline, continuous, elliptic-oblong, ends rather obtuse, 

 straight or slightly curved, 14-16 x 5-6 /*; paraphyses 

 slender, hyaline, tips slightly thickened. 



Peziza arenivaga, Desm., Ann. Sci. Nat., 1852. 



Mollisia arenicaga, Phil., Brit. Disc, p. 186; Sacc, Syll., 

 viii. n. 1423. 



On dead culms and leaves of Psamma arenaria. 



Specimen in Desm., Crypt. France, exs., ser. ii., n. 17, 

 examined. 



Pseudopeziza euphorbiae. Mass. 



Scattered or gregarious, sessile, erumpent, at first globose 

 and closed, then expanding, but the thickish margin 

 generally remaining upturned ; disc whitish, externally 

 dark brown, glabrous, about | mm. across; excipulum 

 parenchymatous, cortical cells irregularly polygonal, smoky 

 olive, 6-9 jx diameter ; asci clavate, apex rounded, rather 

 abruptly narrowed into the pedicel, 8-spored ; spores irregu- 

 larly 2-seriate, hyaline, continuous, smooth, broadly elliptical, 

 8-9 X 6-7 /x ; paraphyses hyaline, about 2*5 /x thick, 

 thickened at the tips. 



Peziza euphorbiae, B. & Br., Ann. Nat. Hist., n. 1829, p. 212 

 (1S79). 



Mollisia euphorbiae, Phil., Brit. Disc, p. 198. 



PatincUa euphorbiae, Sacc, Syll., viii. n. 3171. 



On stems of Euphorbia amygdaloides. 



Authentic specimen examined. 



This species is placed by Saccardo in the genus Patinellea, 

 in Patellariaceae, but it is erumpent, and as remarked by 

 1 Berkeley and Broome, " belongs clearly to the same section 

 •■as P. cerastiorum." 



