BRITISH PYRENOMYCETES. 
9 
Gen. 9. GIBB ERE L LA, Sacc. — Perithecia smooth, superficial, 
blue or violet. 
b. Genuina. Sporidia triseptate. 
1. G. pulicaris, Fr.,Sacc. Syll. 4973 ; Hdbk. 2344. 
On elder, fig, willow, laburnum, cabbage, etc. Not un- 
common. 
2. G. flacca, Wallr ., Sacc. Syll. 4976 ; Grev. vi, 25. 
On branches of elder. 
3. G. Saubinetii, Mont., Sacc. Syll. 4977. 
On herb stems. 
4. G. cyanogena, Desrn., Sacc. Syll. 4978. 
On cabbage stalks. Kew Gardens. 
Sub-Fam. III. PSEUDONECTRIjE. 
Gen. 1. MELANOSPORA, Ca. — Perithecia simple, ostiolum 
subulately- rostrate (or not rostrate}, sometimes penicillate at the 
apex. 
A. Vittadinula. Subiculum none. Perithecia not rostrate. 
Sporidia continuous , brown. 
1. M. episphserium, P. P., Sacc. Syll. 4591 ; Grev. x, 71. 
On Hypomyces terrestris. King’s Lynn. 
B. Perithecia rostrate. 
a. Eu-Melanospora. Sporidia continuous. 
2. M. chionea, Fr., Sacc. Syll. 4594 ; Grev. viii, 105. 
On dead leaves of Pinus sylvestris. Grantown. 
3. M. Helvellae, Che., Sacc. Syll. 4597 ; Grev. i, 175. 
On Peziza hemispherica. Eastbourne. 
4. M. vervecina, Desm., Sacc. Syll. 4595 ; Grev. viii, 105. 
On rotten wood. Wiltshire, Clunyhill. 
5. M. caprina, Fr., Sacc. Syll. 4599 ; Hdblc. 2786. 
On bark and twigs. Glamis, Carlisle. 
6. M. Zobelii, Ca., Sacc. Syll. 4601 ; Hdbk. 2787. 
On the hymenium of Peziza sepulta. (F. C.) 
On truffles. 
7. M. parasitica, Tul., Sacc. Syll. 4606 ; Grev. x, 71. 
Parasitic on Cordyceps militaris. North Wootton. 
Gen. 2. ACROSFERMUM, Tode. — Perithecia elongated or 
clavate, fleshy, or becoming horny. Sporidia filiform. 
b. Eu-Acrospermum. Perithecia scattered. 
1. A. compressum, Tode , Sacc. Syll. 5863; Hdbk. 1257. 
On dead stems of umbellifers and other herbaceous plants. 
King’s Cliffe, Forden, Scotland, etc. 
2. A. graminum, Lib., Sacc. Syll. 5865 ; Hdbk. 1258. 
On dead grasses. Dartford, 
