BRITISH PYRENOMYCETES. 
3 
Gen. 4. HYPOCREA, Fries. Perithecia immersed in a pul- 
vinate or effused, almost superficial stroma. 
A. Podocroa. Stroma vertically elongated. 
1. H. alutacea, P., Sacc. Syll. 4882 ; HdbTc. 2332. 
On the ground. Swanage, Hereford. 
B. Euhypocrea. Stroma pulvinate, fyc., Sporidia didymous. 
* Sporidia hyaline. 
2. H. rufa (P.), Sacc. Syll. 4834; HdbTc. 2328. 
On branches. Downton, Epping Forest, Weybridge, Glamis. 
3. H. tremelloides, Sch., Sacc. Syll. 4839 ; Grev. viii, 104. 
On wood. Hereford. 
4. H. rigens, Fr., Sacc. Syll. 4844 ; Grev. viii, 104. 
On branches. Brandon. 
5. H. contorta, Schw., Sacc. Syll. 4859 ; Grev. vii, 77 ; iv, 
123. 
On oak. Foxley Woods. 
6. H. argillacea, Plow., Grev. xiii, 79. 
On rotten wood. Hersingham. (C. B. P.) 
7. H. strobilina, Plow., Grev. xiii, 79. 
On cones of spruce fir. Hereford. (F. Renny.) 
8. H. splendens, Plow., Grev. xiii, 79. 
On laurel. Leicestershire. (T. Howse.) 
** Sporidia coloured. 
9. H. gelatinosa, Tode ., Sacc. Syll. 4850 ; HdbTc. 2327. 
On rotten wood. Hinmore, Appin. 
10. H. dacrymycella, C. § PI., Grev. xii, 100 (= xiii, 79. vis- 
cidula .) 
Brandon. 
11. H. aureoviridis, PI. C ., Sacc. Syll. 4853 ; Grev. viii, 104. 
On oak. North Wootton. 
b. Stroma effused. 
12. H. citrina (P.), Sacc. Syll. 4875 ; Hdbh. 2331. 
On ground, &c. Appin. 
13. H. fungicola, Karst. ; Grev. viii, 104; Sacc. Syll. 4876. 
On Polyporus. Harnaway Forest. 
14. H. delicatula, Tul., Sacc. Syll. 4877 ; HdbTc. 2332. 
On fir trunk. Wilts, Hereford, 
15. H. lactea, Fr., Sacc. Syll. 4878 ; Grev. x, 70. 
On Polyporus medulla-panis. Castle Rising. 
16. H. farinosa, B. § Br., Sacc. Syll. 4879 ; Hdbk. 2334. 
On branches. Norths, Chester, Batheaston, Glamis. 
d. Stroma obsolete. 
17. H. inclusa, B. and Br., Sacc. Syll. 4895 ; HdbTc. 2335. 
In Tuber puberulum. Hanham (Wilts), Bristol. 
