Eng. Bot. 771; Gr. Fl. Eds. 271; Berwick Flora, ii. 65.
In East Common Wood near Hexham, and in Heaton and Scotswood Denes, N. In Cawsey, Ravensworth, Longacre, and Gibside Woods, also near Darlington, D. Near Berwick. — Dr. G. Johnston.
42. J. furcata.
Hook. and Tay. Musc. 241; Hook. Jung, t.55, 56; Eng. Bot. 1632; Gr. Fl. Eds. 271; Berwick Flora, ii. 66.
On the trunks of trees in woods, frequent.
43. J. pubescens.
Hook. and Tay. Musc. 241; Hook. Jung. t. 73; Berwick Flora, ii. 66.
On rocks in Cawsey Wood, D. Near Berwick. — Dr. G. Johnston.
48. MARCHANTIA.
1. M. polymorpha.
Hook. and Tay. Musc. 219; Eng. Bot. 110; Berwick Flora, ii. 67; Gr. Fl. Eds. 279; Dill. Musc. t. 76, f. 6, E. F.
In moist, wet, and shady situations, frequent.
2. M. conica.
Hook. and Tay. Musc. 221; Gr. Fl. Eds. 280; Eng. Bot. 504; Dill. Musc. t. 75, f. 1.
On rocks, in woods, and damp places, not rare.
3. M. hemisphaerica.
Hook. and Tay. Musc. 222; Gr. Fl. Eds. 279; Eng. Bot. 503, and t. 2545, excluding the two lower figures; Reboullia hemisphaerica, Dill. Musc. t. 75, f. 2.
On moist rocks, in sub-alpine situations, N. and D. By the Irthing at Wardrew, N.
49. ANTHOCEROS.
1. A. punctatus.
Hook. and Tay. Musc. 216, Berwick Flora, ii. 67; A. major, Eng. Bot. ii. 1538; Dill. Musc. t. 68, f. 2.
In watery places at Little Chesters, N.—W.C. Trevelyan, Esq.
50. RICCIA.
1. R. crystallina, α glauca.
Hook. and Tay. Musc. 212; Berwick Flora, ii. 68; Eng. Bot. 2546; Gr. Fl. Eds. 280; R. minima, Dill. Musc. t. 78, fl 10, 11.
On the banks of fish ponds at Wallington, N.
2. R. nutans.
Hook. and Tay. Musc. 214; Eng. Bot. 252; R. capellata, Dill. Musc. t. 78, f. 18.
At Hell-kettles near Darlington, D Mr. E. Robson, Sp.
LICHENES.
51. SPILOMA.
1. S. tumidulum.
Ach. Syn. 1; Eng. Bot. 2151; Gr. Fl. Scot. 324; Berwick Flora, ii. 101; Lichen impolitus, Eng. Bot. 981? Sphaeria gregaria, Sowerby, Fungi. 375, f. 5; Dick. Crypt. Fasc. i. 22.
On the smooth bark of trees in Teesdale, also near Gainford, and in Cawsey Wood, D. In Oakwood, N.
2. S. microscopicum.
Eng. Bot, 2396.
Upon heaths, mosses, &c.
3. S. melanopum.
Eng. Bot. 2358; Ach. Meth. 10, t. 1, f. 8.
On the bark of apple trees.
4. S. murale.
Eng. Bot. 2397.
On old mortar, common.
5. S. dispersum.
Eng. Bot. 2398.
On old rails, frequent.
6. S. decolorans.
Eng. Bot. 2399.
On the bark of old oak trees.
7. S. punctatum.
Eng. Bot. 2472.
On the bark of old oak trees.
8. S. tuberculosum.
Eng. Bot. 2556.
On Sandstone rocks, N. and D. — Mr. Wm. Robertson.
52. ARTHONIA.
1. A. moriformis.
Ach. Syn. 5.
On the bark of trees near Gainford, D. — Rev. John Harriman.
2. A. astroidea.
Ach. Syn. 6; Opegrapha astroidea, Eng. Bot. 1847; Hook. Fl. Scot. ii. 36.
β A. Swartziana, Ach. Syn. 5; Eng. Bot. 2079; Berwick Flora, ii. 101.
On the smooth bark of trees, not rare. With the variety β I am acquainted by specimens communicated by Dr. Swartz. To me it appears to be only A. astroidea, in a young state.
3. A. obscura.
Ach. Syn. 6; Lichen obscurus, Eng. Bot. 1752.
On the bark of trees, but not common.
4. A. lyncea.
Ach. Syn. 7; Lichen lynceus, Eng. Bot. 809; Lecidea lyncea, Northumberland and Durham Guide, ii. 35.
On old oaks in Newton-cap Wood near Auckland, also in the Bishop's park, D.
5. A. prunosa.
Ach. Syn. 7; A. impolita, Eng. Bot. 2692, f. 1.
On trunks of trees in Teesdale, D.
53. SOLORINA.
1. S. saccata.
Ach. Syn. 8; Lichen saccatus, 288; Lightfoot, 885; Dill. Musc. t. 30, f. 121.
On earth upon Encrinal Limestone rocks near Middleton-in-Teesdale, D.
54. LECIDEA.
1. L. atro-alba.
Ach. Syn. 11; Berwick Flora, ii. 88; Lichen atro-albus, Eng. Bot. t. 2336; Gr. Fl. Eds. 324.
On Basaltic rocks near Eglestone, D. On Gunnerton Crags, N.VOL. II. Y
