SrUiEllONliMEI. 813 



the 'English Flora' on the authority of Loudon, but it is not 

 certain that they were ever found in Great Britain. 



Fam. III.— coniomycetes. 



Spores either solitary or concatenate, produced on the tips 

 of generally short threads, which are either naked or contained 

 in a perithecium, rarely compacted into a gelatinous mass.^ 



Order 12. SPHu^KONEMEI. 

 Perithecium more or less distinct. 



95. CONIOTHYRIUM, Cd. 



Perithecium membranaceous, bursting irregularly or trans- 

 versely. Spores simple, at length free. 

 1. glomeratum, Cd. Fasc. 4./. 108 {no. 752). On elm planks. 



96. LEPTOSTROMA, Fr. 



Perithecium membranaceous, flat, breaking off at the base. 

 Spores simple, minute. 



1. caricinum, Fr. ; Obs. ii. t. l.f. 4. On dead sedges. 



2. juncinura, Fr. (no. 108). On dead rushes. 



3. filicinura, Fr. ; Sow. L 394./. 10. On dead Pteris aqidUna. 



4. litigiosum, Desm. On dead Pteris aquilina. 



5. Spirseae, Fr. On dead Spiraea Ulmaria. 



6. vulgare, Fr. (no. 205). On various dead herbaceous plants. 



97. PHOMA, Fr. 

 Perithecium punctiform or subglobose, often spurious or 



* The spoi-cs arc the piomiucut feature of this family, and not tlic threads, 

 as ui tlie following. 



