BRITISH FERNS. 
218 
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4. Ouse. Huntingdon, Bedford, Suffolk, Norfolk, 
Cambridge, Northampton. 
5. Severn. Warwick, Gloucester, Monmouth, Here- 
ford, Worcester, Stafford, Salop. 
6. South Wales. Radnor, Brecon, Glamorgan, Car- 
marthen, Pembroke, Cardigan. 
7. North Wales. Anglesea, Denbigh, Flint, Mont- 
gomery, Merioneth, Carnarvon. 
8. Trent. Leicester, Rutland, Lincoln, Notts, Derby. 
9. Mersey. Cheshire, Lancashire. 
10. Humber. York. 
11. Tyne. Durham, Northumberland. 
12. Lakes. Westmoreland, Cumberland, and north 
of Lancashire, Isle of Man. 
13. West Lowlands. Dumfries, Kircudbright, 
Wigton, Ayr, Renfrew, Lanark. 
14. East Lowlands. Peebles, Selkirk, Roxburgh, 
Berwick, Haddington, Edinburgh, Linlithgow. 
15. West Highlands. Inverness, west of Loch 
Erricht, Argyle, Dumbarton, and the Isles adjacent from 
Bute and Arran to Skye. 
16. East Highlands. Stirling, Clackmannan, Kin- 
ross, Fife, Perth, Forfar, Kincardine, Aberdeen^ Banff, 
Nairn, Elgin or Moray. 
17. North Highlands. Ross, Cromarty, Sutherland, 
Caithness. 
18. Northern Isles. Orkney, Shetland. 
19. Western Isles. Outer Hebrides. 
20. Ulster (North). Antrim, Londonderry, Donegal, 
Tyrone, Down, Armagh, Monaghan, Fermanagh, Cavan. 
21. Connaught (West). Leitrim, Sligo, Galway, 
Roscommon. 
22. Leinster (East). Longford, Westmeath, Meath, 
