BRITISH PYRENOMYCETES. 
37 
| Sporidia multiseptate . 
2. H. nigerrima, B. <£• _Br., Nacc. Nj/ZZ. 3838; Grev. xiii, 62. 
Parasitic on species of Diatrype. Gopsall, Bath, Twycross, 
Forden. 
Gen. 4. RHOPOGRAPHUS, NitJce. Stroma linear. 
* Schirrhia, NtJce. Sporidia uniseptate, hyaline. 
1. R. rimosa, A. $ S., Sacc. Syll. 5280 ; Grev. viii, 106. 
On Phragmites communis. Castle Rising. . 
2. R. depauperata, Desm ., Sacc. Syll. 5281 ; Grev. viii, 106. 
On stems of reed. Castle Rising. 
j Genuina. Sporidia 3-5 septate. 
3. R. filicinus, Fr., Sacc. Syll. 5334 ; Hdbk. 2427. 
On stems of Pteris aquilina. Common. 
Sub-Fam. II. RHY TISMOIDEI. 
Gen. 1. RHYTISMA, Fries. Stroma flattened, discoid or 
effused, multilocular, at first closed, at length splitting. 
1. R. maximum, Fr. Syst. Myc. ii, 566; Hdbk. 227 6. 
On willow branches. King's Cliffe, Hinton, Cambridge. 
2. R. acerinum, Pers. Syn. 104 ; Hdbk. 2279. 
On leaves of sycamore and maple. Common. 
3. R. punctatum, Fr. Syst. Myc. ii, 569 ; Hdbk. 2280. 
On sycamore and maple leaves. 
4. R. salicinum, Fr. Syst. Myc. ii, 568 ; Hdbk. 2278. 
On willow leaves. Common. 
5. R. andromedas, Fr. Syst. Myc. ii, 567 ; Hdbk. 2277 . 
On living leaves of Andromeda polifolia. Cheshire, Yax- 
ley, Hunts, Dundee. 
6. R. urticai, Fr. Syst. Myc. ii, 570 ; Hdbk. 2281. 
On nettle stems. Apethorpe, King’s Cliffe, Dundee. 
7. R. empetri, White , Ann.N.H. No. 1650; Grev. v, 64. 
On Empetrum nigrum. Rannoch, Perthshire. 
Sub-Fam. III. STIGMATEOIDPE. 
Perithecia more or less distinct, for the most part simple and 
superficial. 
Gen. 1. HYPOSPXLA, Fr. Perithecia more or less distinct, 
immersed in a pseudo-stroma, and growing on leaves. 
1. H. bifrons, D.C., Sacc. Syll. 3535 ; Hdbk. 2799. 
On dry oak leaves. Shere, Surrey. 
2. H. immunda, Fckl ., Sacc. Syll. 3536 ; Hdbk. 2803. 
On the under surface of oak leaves. Shere, Surrey. 
3. H. viburni, Buck., Grev. xii, 44. 
On dead leaves of Viburnum lantana. Bristol. 
