Staples and Fern Islands, N. At Hudshead — Dr. G. Johnston. On Hartley Bates, N — Mr. J. Thornhill. & on the top of a wall in Lune — Rev. J. Harriman.
5. R. farinacea.
Ach. Syn. 297; Berwick Flora, ii. 91; Lichen farinaceus, Eng. Bot. 889.
On trees, common.
6. R. pollinaria.
Ach. Syn. 298; Lichen pollinarius, Eng. Bot. 1607; Parmelia pollinaria, Northumberland and Durham Guide, ii. 60.
On old pales and rocks in Teesdale, D — Rev. J. Harriman.
81. CORNICULARIA.
1. C. tristis.
Ach. Syn. 299; Berwick Flora, ii. 92; Lichen trislis, Eng. Bot. 720; L. corniculatus, Lightfoot, 855.
On Cheviot, Hedgehope, and Simonside, N. On rocks near Blackton not far from Eglestone, also in in the neighbourhood of Middleton-in-Teesdale, D. On Cronkley Fell, D Rev. J. Hariman.
2. C. aculeata.
Ach. Syn. 299; β spadicca, Berwick Flora, ii. 91; Lichen hispidus, Eng. Bot. 452; Lightfoot, 883; δ muricata, L. muricatus, Swartz. Nov. Act. Ups. v. 248.
On Simonside and at Prestwick Carr, N. On Gateshead and Ravensworth Fells, D. In sub-alpine situations, not rare, D. and N.
3. C. ochroleuca.
Ach. Syn. 301; Hook. Fl. Scot. ii. 69; Lichen ochroleucus, Eng. Bot. 2374.
On Eglestone Moors, D., rare. — Rev. J. Harriman.
4. C. lanata.
Ach. Syn. 302; Lichen lanatus, Eng. Bot. 846; Lightfoot, 892.
On stones upon the Teesdale Moors, D. On Cheviot, Simonside, and Hedgehope, N.
82. USNEA.
1. U. florida.
Ach. Syn. 304; Lichen floridus, Eng. Bot. 872; β
L. hirtus, Eng. Bot. 1356; Usnea plicata β, Ach. Syn. 305.
In fructification in Gibside Woods, D. On trees in woods, not rare, N. and D.
2. U. plicata.
Ach. Syn. 305; U. hirta, Berwick Flora, ii. 93; Lichen plicatus, Eng. Bot. 257; Lightfoot, 889.
Upon trees on the banks of Waskerley Bourn near Wolsingham, D.
83. COLLEMA.
1. C. nigrum.
Ach. Syn. 308; Berwick Flora, ii. 78; Lichen niger, Eng. Bot. 1161; Lecidea nigra, Northumberland and Durham Guide, ii. 41.
Upon rocks on Cleadon and Boldon Hills, on Gateshead Fell, and near Eglestone, D. In Scotswood and Heaton Uenes, and near Heddon-on-the-Wall, N. In the Quarry at Hudshead, N.; and near the Old Castle, Berwick.— Dr. G. Johnston.
2. C. crispum.
Ach. Syn. 311; Berwick Flora, ii. 77; Lichen crispus, Eng. Bot. 834; β cristatum, Ach. Syn. 312.
α and β On the ground in the neighbourhood of Eglestone; β on Cleadon and Boldon Hills, D. Near Berwick, and in Dilston Park, also near Ridley Hall, N.
3. C. meloenum.
Ach. Syn. 315; Northumberland and Durham Guide, ii. 59; Hook. Fl. Scot. ii. 71; Berwick Flora, ii. 78.
On stones about Eglestone, D. On Sandstone walls near Berwick, N Dr. G. Johnston.
4. C. fasciculare.
Ach. Syn. 317; Lichen fascicularis, Eng. Bot. 1162; Lightfoot, 841.
On Calcareous stones near Middleton-in-Teesdale, and Wyclitfe, D. On stone walls near Hexham, N.
5. C. saturinum.
Ach. Meth. 320; Lichen saturinus, Eng. Bot. 1980; Dicks. Crypt. Fasc. ii. 21, t. 6, f. 8.
On trees in Horsley Hope Dene, and on trees and stones near Eglestone, D. On stones near Hexham, and above Langley Ford at the foot of Cheviot, N.
6. C. flaccidum.
Ach. Syn. 322; Lichen flaccidus, Eng. Bot. 1653; L. rupestris, Swartz. Nor. Act. Ups. iv. 249.
On stones in a rivulet in Holwick. — Rev. J. Harriman. On rocks in Wooler Water above Langley Ford, N.
7. C. tunaerforme.
Ach. Syn. 322; Parmelia tunarformis, Northumberland and Durham Guide, ii. 58.
On Limestone rocks about Eglestone and Middleton-in-Teesdale. — Rev. J. Harriman. Near Wycliffe, D.
8. C. fureum.
Ach. Syn. 323; Lichen granulatus, Eng. Bot. 1757.
On trees in the neighbourhood of Eglestone, D. — Rev. J. Harriman. In East Common Wood and Dilston Park, N.
9. C. scotinum.
Ach. Syn. 323; β sinuatum, Lichen sinuatus, Eng. Bot. 772; Parmelia scotina, Northumberland and Durham Guide, ii. 58.
α and β On the ground and on stones about Eglestone, D.— Rev. J. Harriman. In Dilston Park, N.
10. C. lacerum.
Ach. Syn. 327; Lichen laccr, Eng. Bot. 1982; L. tremelloides, Lightfoot, 842.
Among moss in Cocken, Cawsey, the Howns, Gibside, and Ravensworth Woods, and on Lanchester and Cronkley Fells, D. In Dilston Park and above Langley Ford, also in the Felton Woods, N.
11. C. muscicola.
Ach. Syn. 328; Hook. Fl. Scot. ii. 72; Lichen muscicola, Eng. Bot. 2264.
On Cheviot and Simonside, N. Upon the Hag Crag in Teesdale Forest, D. Near Muggleswick, D. —Mr. J. Thornhill.
12. C. spongiosum.
Ach. Syn. 329; Lichen spongiosis, Eng. Bot. 1374; Parmelia spongiosa, Northumberland and Durham Guide, ii. 53.VOL. II. B b
