Page:The Botanist's Guide Through the Counties of Northumberland and Durham (Vol 1).djvu/206

Rh On calcareous Rocks near Middleton, in Teesdale, D. On Rocks in Boltshope Bourn, D.

Obs. This perhaps will turn out to be not a good Species.—H.

1310. Urceolaria Acharii.

Lichen lacustris.—With. 4. 21. pl. 31. 4. ''Eng. Bot. t.'' 1087.

On Stones in Horsley Hope Bourn, and Boltshope; and on Stones in the Tees and Rivulets in the Neighbourhood of Egleston, D.

Var. Urceolaria cyrtaspis.

On Stones in the Tees. On Stones in Horsley Hope Bourn, D.

Obs. The next Step would show, perhaps, that U. Acharii is not a distinct Species.—H.

1311. Parmelia atra.

Lichen ater.—With. 4. 18. ''Eng. Bot. t.'' 948.

On Stones and Trees.

1312. Parmelia exigua.

On Trees in Newton Cap Wood, near Bishop Auckland, D.

1313. Parmelia pinicola.

On Fir Trees in the Neighbourhood of Gainford. On Trees at Ryton, D.

Obs. This is no doubt a Lecidea, and therefore cannot be a Var. of P. exigua, as Acharius supposes; it is clearly a Var. of L. parasema.

1314. Parmelia sophodes.

On Trees in Newton Cap Wood, near Bishop Auckland, D.

1315. Parmelia ostracoderma.

Lichen punctatus.—''Eng. Bot. t.'' 450.

On Rocks in Ouse-Bourn, N. On Rocks near Egleston; and on Gateshead Fell, D.

See Obs. under Isidium Westringii. Rh