Ach. Syn. 72; Eng. Bot. 1790.
On the Magnesian Limestone Rocks near Whitburn, Sunderland, and Castle Eden, D. On the walls and mortar of Wycliffe Church.
Probably only a variety of O. Persoonii.
4. O. macularis.
Ach. Syn. 72; Berwick Flora, ii. 100; O. opiphoga, Eng. Bot. 2282; Lichen rugosus, Linn. Sp. Pl. 1607; Lightfoot, 802; Sibthorp, 317.
On the bark of trees, common.
5. O. herpetica.
Ach. Syn. 72; Eng. Bot. 1789.
On trees in woods near Newcastle.
6. O. vulgata.
Ach. Syn. 73; Eng. Bot. 1811.
On trees, frequent, N. and D.
7. O. epipasta.
Ach. Syn. 74; Eng. Bot. 1828.
On the smooth bark of trees near Newcastle.
8. O. microscopica.
Eng. Bot. 1911; O. epipasta β, Ach. Syn. 75
On the bark of trees near Newcastle.
9. O. stenocarpa, β denigrata.
Ach. Syn. 75; O. denigrata, Eng. Bot. 1753; O. atra, Berwick Flora, ii. 100.
On the bark of the Ash, the Hazel, &c., not rare, N. and D. Near Berwick. — Dr. G. Johnston.
10. O. notha.
Ach. Syn. 76; Eng. Bot. 1890; Berwick Flora, ii. 100.
On trees in Teesdale, and in Cawsey Wood, D. Near Hexham and Corbridge, N. Near Berwick. — Dr. G. Johnston.
11. O. diaphora.
Eng. Bot. 2280.
On trees in Weardale and Teesdale, also in Ravensworth and Cawsey Woods, D.
Probably not distinct from the preceding species.
12. O. rubella.
Eng. Bot. 2347; O. herpetica, β disparata, Ach. Syn. 73.
On trees near Eglestone, D.
=====13. O. cerasi.
Eng. Bot. 2301.
On the bark of Cherry and Plumb Trees.
14. O. cerebrina.
Eng. Bot. t. 2632, f. 1; Lecidea plocina, Ach. Syn. 16.
On Encrinal Limestone rocks in Teesdale, D. — Rev. J. Harriman.
58. GRAPHIS.
1. G. scripta.
Ach. Syn. 81; Opegrapha scripta, Eng. Bot. 1813; Berwick Flora, ii. 100; Lichen scriptus, Linn. Sp. Pl. 1606; Lightfoot, 800.
On trees in Weardale and Teesdale, D. Near Newcastle and Hexham, N.
2. G. pulverulenta.
G. scripta β, Ach. Syn. 82; Opegrapha pulverulenta, Eng. Bot 1754.
On trees in Weardale and Teesdale, D. Near Newcastle and Hexham, N.
3. G. betuligna.
Ach. Syn. 83; Opegrapha betuligua, Eng. Bot. 2281.
On the bark of Birch Trees, common.
4. G. serpentaria.
Ach. Syn. 83; Eng. Bot. 1755.
On the bark of trees near Eglestone, also in Cawsey and Ravensworth Woods, D. In woods near Newcastle, N.
59. VERRUCARIA.
1. V. punctiformis.
Ach. Syn. 87; Lichen punctiformis, Eng. Bot. 2412.
On the smooth bark of trees, not rare.
2. V. analepia.
Ach. Syn. 88; Lichen analeptus, Eng. Bot 1848.
On the smooth bark of trees in Teesdale, D. In woods near Newcastle, N.
3. V. carpinea.
Ach. Syn. 88; V. olivacea, Eng. Bot. t. 2597, f 1.
On the smooth bark of the Ash, Thorn, &c.
Probably only a variety of V. epidermidis.
4. V. epidermidis.
Ach. Syn. 89; Berwick Flora, ii. 102 Gr. Fl. Eds. 353.
On the bark of the birch, common.
5. V. stigmatella.
Ach. Syn. 89; α and β atomaria, Lichen stigmatellus, Eng. Bot. 1891.
On the smooth bark of trees, N. and D.
6. V. gemmata.
Ach. Syn. 90; Northumberland and Durham Guide, ii. 45; Eng. Bot. t. 2617, f. 2.
On the bark of trees, in woods on the Derwent, D. and N.
7. V. Schraderi.
Ach. Syn. 93; Lichen Schraderi, Eng. Bot. 1711.
On the Magnesian Limestone, on Cleadon and Boldon Hills, also near Castle Eden, D. On the Encrinal Limestone near Middleton-in-Teesdale, and between Widdy bank and Cauldron Snout, D.
8. V. Harrimanni.
Ach. Syn. 93; Lichen Harrimanni, Eng. Bot. t. 2539.
On Limestone rocks in Teesdale, D.
9. V. Laevata.
Ach. Syn. 94; Eng. Bot. t. 2623, f. 2.
On rocks and stones in the Tees near Middleton, and in the Derwent near Blanchland, D. and N.
10. V. epipolaea.
Ach. Syn. 95; Eng. Bot. 2647, f. 3.
On rocks near Eglestone and Middleton, D.—Rev. J. Harriman. On Limestone in Castle Eden Dene, D.
11. V. maura.
Ach. Syn. 95; Lichen maurus, Eng. Bot. 2546.
On Magnesian Limestone rocks at Boldon, Cleadon, and Castle Eden Dene. On the Encrinal Limestone in Teesdale, D. On Basaltic rocks at Bamborough, Dunstanborough, and Holy Island, N.
12. V. striatula, β aerotella.
Ach. Syn. 95; Lichen acrotellus, Eng. Bot. 1712.
On the Millstone Grit in Teesdale and Weardale, D.
13. V. muralis.
Ach. Syn. 95; Eng. Bot. 2647,f.2; Sphaeria communis, Sowerby, Fungi, t. 295, upper figure.
On Magnesian Limestone rocks at. Cleadon, Boldon, and Castle Eden Dene, and on Gainford Church, D. On the mortar of walls in Heaton Dene, and near Jesmond, N.
14. V. spongiosa.
Ach. Syn. 96; Northumberland and Durham Guide, ii. 45.
On earth upon wall tops near Middleton-in-Teesdale, D.; also near Romaldkirk Rev. J. Harriman.VOL. II. Z
