Page:Transactions of the Natural History Society of Northumberland, Durham, and Newcastle-upon-Tyne (1867).djvu/316

7. A. septentrionale Asplenium septentrionale, Hull. Native. Scottish type. Area C, Range 1.

On the basaltic crags at Kyloe, once plentiful, but now nearly extinct, 150 yards.

10. SCOLOPENDRIUM, Sm.

1. S. vulgare Asplenium scolopendrium, Sym. Native. British type. Area C, N, D. Range 1.

Very rare in Cheviot-land. Houn Dene near Warkworth (T.). Frequent in shaded rocky places in Tyneland and Durham; Chapel Wood near Morpeth, and in many of the Tyne and Magnesian Limestone denes.

11. BLECHNUM, Sw.

1. B. boreale Blechnum spicant, Sw. Native. British type. Area C, N, D. Range 1-3.

Common on heaths, ascending to 850 yards on Cheviot.

12. PTERIS, L.

1. P. aquilina Pteridium aquilinum, L. Native. British type. Area C, N, D. Range 1, 2.

Common on heaths and in uncultivated grassy places everywhere except in the Magnesian Limestone tract, ascending to 600 yards on Cheviot and the moors at the head of East and West Allendale, and to 550 yards in Harwood Dale.

13. HYMENOPHYLLUM, Sm.

1. H. tunbridgense Hymenophyllum tunbridgense, Sm. Native. Atlantic type. Area C. Range 1.

On sandstone rocks on Harehope Moor near Eglingham (G. Tate !). Altitude 300 yards?

2. H. Wilsoni Hymenophyllum wilsonii, Hook. Native. Atlantic type. Area C. Range 1.

On sandstone rocks on the Bickerton spur of Simonside (Sir W. C. Trevelyan. F. R!). Altitude 400 yards?