Page:Transactions of the Natural History Society of Northumberland, Durham, and Newcastle-upon-Tyne (1867).djvu/314

2. L. oreopteris Oreopteris limbosperma, Presl. Native. British type. Area C, N, D. Range 1, 2.

Frequent in woods and on shaded banks amongst the hills, ascending to 500 yards in the Cheviot ravines and East Allendale.

3. L. filix-mas Dryopteris filix-mas, Presl. Native. British type. Area C, N, D. Range 1, 2.

Common in woods and upon hedge-banks, ascending to 600 yards on Cheviot and nearly as high in Harwood Dale. Var. Borreri on Falcon Clints, the banks of the College Burn, and in Hareshaw Dene. Var. abbreviatea on Falcon Clints.

4. L. spinulosa Dryopteris carthusiana, Presl. Native. English type. Area C, N, D. Range 1.

Damp and shaded woods, rare. Near Doddington and in Campfield Bog near Cornhill (W. Boyd). On the Brislee Hill, Hulne Park, 200 yards (W. Richardson!). In North Tynedale in a wood near Smalesmouth (W. H. Brown!). Waldridge Fell, Durham (J. Mitchinson, fide Moore).

5. L. dilatata Dryopteris dilatata, Presl. Native. British type. Area C, N, D. Range 1-3.

Common in woods and amongst rocks, ascending to 800 yards on Cheviot, 700 yards on Highfield, 650 yards on Stangend Rigg.

6. L. aemula Dryopteris aemula, Brack. Native. Atlantic type. Area C. Range 1.

Chevington Wood near Warkworth (T.). Rugley Wood near Alnwick (R. Middlemas).

8. ATHYRIUM, Both.

1. A. filix-foemina Athyrium filix-femina, Roth. Native. British type. Area C, N, D. Range 1-3.

Woods and amongst rocks, common, ascending to 750 yards on Cheviot. Vars. rhoeticum and molle are both frequent.