34 
BRITISH PYREXOMYCETES. 
D. Xylodactyla. Club sterile at the apex , stem hairy. 
9. X. carpophila, Fr ., Sacc. Syll. 1270 ; Hdbk. 2375. 
On beech mast. Common. 
10. X. hypoxylon, Fr., Sacc. Syll., 1260; Hdbk. 2374. 
On stomps, <£:c. Common. 
11. X. pednncnlata, Fr., Sacc. Syll. 1259 ; Hdbk. 2376. 
On soil, often growing from dung. King’s Cliffe. 
12. X. Tulasnei, Nice., Sacc. Syll. 1265 ; Grev.x ii, 79. 
Gen. 2. THAIVINOIVIYCES, Fhrb. Stroma erect or filiform. 
Perithecia superficial, lax. 
1. T. hippotrichoides, Sow., Sacc. Syll. 1303; Hdbk. 2380. 
On an old sack. Wisbech. 
On matting, &c. Bungay. 
On cocoanut fibres. Scarborough. 
Gen. 3. PORONIA, Fr. Stroma cup-shaped, stipitdte. 
1. P. punctata {Linn.') Sacc. Syll. 1321 ; Hdbk. 2379. 
On horse and cow dung. Barmouth, Alburv, &c. 
Gen. 4. USTULINA, Tul. Stroma pulvinate, repand, thick, 
somewhat hollow when old. 
1. U. vulgaris, Tul., Sacc. Syll. 1328; Hdbk. 2381. 
On rotten trunks. Common. 
Gen. 5. NUMMULASIA, Tu^. Stroma discoid or cup-shaped, 
adnate, marginate. 
1. X. lutea, A. <£■ S., Sacc. Syll. 1528. 
On Salix, Alnus, Corylus, &c. King’s Lynn. 
2. X. succenturiata, Tode., Sacc. Syll. 1527. 
On oak and maple. 
3. X. gigas, Plow., Grev. viii, p. 106, t. 130, f. 3 ; Sacc. Syll. 
1531. 
On Betula. Bingstead Downs. 
4. X. Bulliardi, Tul., Sacc. Syll. 1524 ; Hdbk. 2395. 
On wood and bark. 
Gen. 6. DALDINIA, De Not. Stroma nearly sphasrical, with a 
carbonaceous bark, becoming black, internally fibrous and concen- 
trically zoned. 
1. D. concentrica {Bolt.), Sacc. Syll. 1515, 2384. 
On old ash trees, and burnt furze stems. Common. 
Gen. 7. HYPOXYLON. Stroma effused or somewhat globose, 
solid ; perithecia innate in the stroma, almost without necks. 
A. Sph^eroxylox. Stroma superficial, globose or subglobose. 
a. Stroma coloured, not black. 
1. H. coccineum, Bull., Sacc. Syll. 1333 ; Hdbk. 2385. 
On beech, &c. Common. 
