Page:Transactions of the Natural History Society of Northumberland, Durham, and Newcastle-upon-Tyne (1867).djvu/210

192 up in the Brizzle ravine and also by the Coquet near Shillmoor, where it was regathered by Mr. Baker in 1866. Range of altitude 100-500 yards.

6. H. pallidum, Biv. Native. Highland type. Area C, N, D. Range 1, 2.

On Cheviot high up in the Brizzle (Professor Oliver. W.H. Brown. B.). On the basalt at Kyloe and Spindlestone (W. Richardson!). On the Magnesian Limestone at Tunstall Hill near Sunderland (W.H. Brown!). In Teesdale on the basalt at Falcon Clints and Winch Bridge. There is a specimen in the Newcastle Museum collection from the neighbourhood of Gilsland. Range of elevation 150-500 yards.

7. H. lasiophyllum, Koch. Native. Highland type. Area C. Range 1.

By the Coquet in the porphyritic ravine at Linn Shiels, 2 miles above Alwinton. Discovered by Professor Oliver and Mr. W.H. Brown and regathered by Mr. Baker in 1866. Altitude 200-250 yards.

8. H. murorum, L., Fries.! Native. British type. Area C, N, D. Range 1, 2.

Not unfrequent on rocks, especially of limestone, in the denes, ascending from Castle Eden Dene to 600 yards in Dunsdale (B.), and as high in the Brizzle (Professor Oliver and W.H. Brown!).

9. H. caesium, Fries. Native. Scottish type. Area C, D. Range 1, 2.

On porphyritic cliffs at Usway Ford near Alwinton (B.). On the basaltic dike at Kyloe (W. Richardson !). In Teesdale on limestone at Langdon Bridge (B.). Range of altitude 150-400 yards.

10. H. vulgatum, Fries. Native. British type. Area C, N, D. Range 1-3.

Frequent upon walls and rocks, and in woods, ascending to 600 yards on Cheviot, and in the Tees district to the Main Limestone of Highfield, 700 yards.