198 BRITISH DISCOMYCETES. 



dry; in moist weather distending the small slit in the 

 bark of the petiole till it attains its round form, when 

 the margin projects over the edge of the fissure. 



Wherever decaying sycamore-leaves are found. 



Name — Erwmpo, to burst out; from its erumpent 

 habit. 



Subgenus VI. — Pseudo-peziza. Fckl. 



Cups immersed, erumpent when moist, orbicular, 

 glabrous, soft, plane or slightly concave ; margin darker, 

 sometimes bordered by the lacerated epidermis of the 

 host-plant ; sporidia subglobose, elliptic, oblong or pyri- 

 form. (Plate VI. fig. 36.) 



Name — ipev<$6g, false, and peziza; deceptive peziza, 

 resembling Phacidium 



Arrangement op the Species. 



a. Sporidia subglobose. 



(a) Ou herbaceous stems 



b. Sporidia elliptic or obloug. 



(a) On leaves or herbaceous stems 

 0. Sporid'a pyriform. 

 (a) Ou leaver 



Key to the Species. 



Hymenium greyish-white : on Euphorbia . . 

 Hymenium smoky -yellow : on Trifolium . . 

 Hymenium pallid-testaceous : on Cerastium 

 Hymenium ochraceous : on Ranunculus 



A. SPORIDIA SUBGLOBOSE. 



(a) On herbaceous stems. 

 48. Mollisia Euphorbia?. (B. and Br.) 



Minute, erumpent, sessile, brownish-black ; hymenium 

 concave, white or greyish-white ; margin prominent, in- 

 curved ; asci broadly clavate, narrowing abruptly at the 

 base ; sporidia 8, globose- elliptic, 8/u long, and nearly as 

 broad ; paraphyses filiform, stout, clavate summits, filled 

 with granular protoplasm. 



Peziza Euphorbia? — B. and Br., "Ann. Nat. Hist " 

 No. 1829; " Grevillea," viii. p. 8. 



