BRITISH PYRENOMYCETES. 
7 
21. H. tuberosus, Tul., Sacc. Syll. 4658; Grev. xi, 2. 
On Lactarius. Hereford. 
22. H. miliarius, Tul., Sacc. Syll. 4659 ; Grev . xi, 2. 
On Russula. Hereford. 
Gen. 4. ELEUTHEROMYCES, FcM— Perithecia cylindrically 
awl-shaped, somewhat diaphanous. 
1. E. subulatus, Tode , Sacc. Syll. 4578; Hdblc. 1238. 
On hard, blackened Agarics. Twycross, &c. 
2. E. lougisporus, Plow., Grev. xiii, 78. 
On remains of some Myxogaster. King’s Lynn. 
Gen. 5. BYSSONECTRIA, Karst . — Stroma byssoid, perithecia 
somewhat superficial, crowded. 
A. Sporidia hyalme. 
** Hyphonectria. Sporidia uniseptate. 
1. B. epigsea, Che., Sacc. Syll. 4765 ; Grev. viii, 10. 
On the ground. Penecuik, N.B. 
Gen. 6. OOMYCES, B. fy Br. — Perithecia contained in a polished, 
coloured sac. Sporidia filiform, hyaline. 
1. 0. carneo-albus, Lib., Sacc. Syll. 5004 ; Hdbh. 2343. 
On leaves of Air a ccespitosa. Spye Park, Batheaston, 
Carlisle. 
Gen. 7. DIALONECTRIA, Sacc. — Perithecia free, superficial, 
gregarious or scattered, fleshy, smooth, brightly coloured. 
A. Nectriella. Sporidia continuous. 
1. D. furfurella, B. Br., Sacc. Syll. 4568; Grev. vii, 78. 
(= Keithii, B. fy Br.) 
On dead cabbage. Forres, N.B. 
B. Eu-dialonectria. Sporidia uniseptate, hyaline. 
2. D. sanguinea, Fr., Sacc. Syll. 4721 ; Hdbh. 2360. 
On wood, Hypoxyla, &c. Common. 
3. D. peziza, Tode, Sacc. Syll. 4757; Hdbh. 2358. 
On stumps. Not uncommon. 
4. D. dacrymycella, Nyl., Sacc. Syll. 4707 ; Grev. xiii, 78. 
On Angelica stems. Bristol. (C. B.). 
5. D. Bloxami, B., Sacc. Syll. 4952 ; Hdbh. 2867. 
On Helianthus tuberosus. Twycross. 
6. D. arenula, B. Br., Sacc. Syll. 4716 ; Hdbh. 
On Aira ccespitosa. Batheaston. 
7. H. graminicola, B. Br., Sacc. Syll. 4717 ; Hdbk. 2366. 
On Aira ccespitosa. Batheaston. 
8. D. episphaeria, Tode , Sacc. Syll. 4740; Hdbh. 2361. 
On Hypoxyla, etc. Common. 
