Lichen Psora.—Dicks. Crypt. fasc. 3. 17. With. 4. 16.
Lichen caesius.—Eng. Bot. t. 1052.
On Tiles upon Roofs of Houses in and about Gainford, D.-H. At Fawdon Slate, D.
1350. Parmelia leptalea.
On Stones near Gainford, D.
1351. Parmelia virella.
Lichen virellus.—Eng. Bot. t. 1696.
On Stones about Gainford; on Walls near Saltwellside; and in the West of the County of Durham; frequent.
1352. Parmelia recurva.
Lichen multifidus.—Dicks. Crypt. fasc. 3. 16. pl. 9. 7. With. 4. 28.
Lichen incurvus.—Eng. Bot. t. 1375.
On Rocks upon Beamish Moor; and on Stones upon Egleston Moor, D
1353. Parmelia fahlunensis
Lichen fahlunensis.—With. 4. 30.—Eng. Bot. t. 653.
On Stones upon the Mountains in the Neighbourhood of Egleston, D.
1354. Parmelia omphalodes.
Lichen omphalodes.—With. 4. 34.—Eng. Bot. t. 604.
On Stones upon Moors, and on Rocks and Stones upon the Mountains in the Neighbourhood of Egleston, D. On Cheviot and near Heddon on the Wall; also at Harbottle, N.
1355. Parmelia saxatilis.
