Northumberland and Durham Guide, ii. 30; Eng. Bot. 2401; V. communis* g. Ach. Syn. 131.
On the bark of trees in Conset Park, D. In East Common Wood near Hexham, in Felton Woods, and at the foot of Cheviot, N.
4. V. globulifera.
Ach. Syn. 130; Lichen globuliferus, Eng. Bot. 2008; Turner, in Linn. Tr. ix. 139, t. 10, f. 2.
On trees and rocks, N. and D.
Probably not a good species.
5. V. amara.
Ach. Syn. 131; Berwick Flora, ii. 101; Lichen fagineus, Eng. Bot. 1713.
On the bark of trees, common.
6. V. lactea.
Ach. Meth. 132; Eng. Bot. 2410; Hook. Fl. Scot. ii. 46.
On Basaltic rocks near Middleton-in-Teesdale, D. On the Crags near Shewing Shields, and at the foot of Cheviot, N.
7. V. grisco-virens.
Eng. Bot. 2400.
On the bark of the Cherry, Birch, &c.
65. URCEOLARIA.
1. U. Acharii.
Ach. Syn. 137; Lichen Acharii, Eng. Bot 1087;
β cyrtapsis.
On stones in Bolt's Hope Bourn, also in the Derwent, in the Tees and rivulets in Teesdale, D. In Horsleyhope Bourn, D. — Mr. J. Thornhill. On rocks in the Coquet at Rothbury, and in Wooler Water, N.
2. U. gibbosa.
Ach. Syn. 139 . U. fimbriata, Northumberland and Durham Guide, ii. 48; Lichen fibrosus, Eng. Bot. 1732.
On Quartz pebbles, in the Millstone Grit near Eglestone, and on the Weardale Moors, D. On Shaftoe Crags near Wallington, and at Roadley, N.
3. U. cinerea.
Ach. Syn. 140; Lichen cinerens, Eng. Bot. 1751.
On stones near Eglestone, and on Limestone rocks near Boldon and Cleadon, D.
4. U. scruposa.
Ach. Syn. 142; Lichen scruposus, Eng. Bot. 266.
Upon earth on the tops of stone walls near Eglestone, and on rocks in Harewood Forest, between Widdy Bank and Cauldron Snout, D,
5. U. calcarea.
Ach. Syn. 143; β U. Hoffmanni, Lichen Hoffmanni, Eng. Bot. 1940.
On the Magnesian Limestone near Boldon, Whitburn, and Castle Eden, and on the Encrinal Limestone in Teesdale and Weardale, D.
6. U. epulotica.
Ach. in Northumberland and Durham Guide, ii. 48.
On Limestone rocks near Middleton-in-Teesdale, D. — Rev. J. Harriman. In Boltshope Bourn, D.
A doubtful species.
66. LECANORA.
1. L. atra.
Ach. Syn. 146; Berwick Flora, ii. 83; Lichen ater, Eng. Bot. 949; Lightfoot, 813.
On rocks, stones, and the bark of trees, frequent.
2. L. coarctata.
Ach. Syn. 149; Lichen coarctatus, Eng. Bot. 534; Parmelia elacista, Ach. Meth. 159, t. 4, f. 4.
On Sandstone upon Gateshead Fell, and about Eglestone and Gainford, D. In Heaton Dene, and near Gosforth, N.
3. L. periclea.
Ach. Syn. 150; Lichen pinicola, Eng. Bot. 1851; L. pericleus, Eng. Bot. 1850.
On fir trees near Gainford, and in Newton-cap Wood near Bishop Auckland, also near Ryton, D. In Fenham Woods, N.
4. L. exigua.
Lichen exiguus, Eng. Bot. 1849.
On tiles on the roofs of houses in and about Gainford, D. — Rev. J. Harriman.
5. L. privigna.
L. milvina β, Ach. Syn. 151; Lecidea privigna, Ach. Syn. 49; Northumberland and Durham Guide, ii. 34; Lichen simplex, Eng. Bot. t. 2152, the upper figure.
On Sandstone rocks and walls near Gainford, and on Gateshead Fell, D. In Heaton Dene, and near Jesmond, N.
By no means rare in the north.
6. L. milvina.
Ach. Syn. 151; Eng. Bot. t. 2662, f. 1; Wahl. Fl. Lapp. 410; Fl. Suec. 805.
On Sandstone rocks in Teesdale, D. — Rev. J. Harriman.
7. L. sophodes.
Ach. Syn. 153; Lichen sophodes, Eng. Bot. 1791.
On trees in Newton-cap Wood near Bishop Auckland, D. In Felton Woods, N.
8. L. badia.
Ach. Syn. 154; Lichen piceus, Dick. Crypt. Fasc. iv. t. 12, f. 5; Lecidea picea, Northumberland and Durham Guide, ii. 34.
On Basalt near Eglestone, D. — Rev. J. Harriman.
9. L. aipospola.
Ach. Syn. 155; Eng. Bot. t. 2662, f. 2; Lichen aipospolus, Wahl. Fl. Lapp. 409, t. 27, f. 2; Fl. Suec. 805.
On Basaltic rocks at Holy Island, N. At Bamborough, and on the Staples, N. — Mr. W. Robertson.
10. L. spodophoea.
Ach. Syn. 155; Eng. Bot. 2662, f. 3; Wahl. Fl. Lapp. 409; Fl. Sue. 805.
On Basaltic rocks at Holy Island, N. At Bamborough,and on the Staples, N. — Mr. W. Robertson.
To me this appears to be a variety of the preceding species.
11. L. subfusca.
Ach. Syn. 157; Berwick Flora, ii. 83; Lichen subfuscus, Eng. Bot. 2109.
On rocks and the bark of trees, common.
12. L. punctata.
Lichen punctatus, Eng. Bot. 450; Parmelia ostracoderma, Northumberland and Durham Guide, ii. 49.
On Limestone rocks near Eglestone, and on Sandstone rocks upon Gateshead Fell, D. In Heaton Dene, N.
13. L. ventosa.
Ach. Syn. 159; Berwick Flora, ii. 84; Lichen ventosus, Eng. Bot. 906.
On Basaltic rocks in Teesdale Forest, also in
