20 DISTRIBUTION AND AFFINITIES. 
(Botanical Provinces of Great Britain.) 
1. Peninsula Cornwall, Devon, Somerset. 
2. Channel. Hants, Sussex, Dorset, Wilts. 
3. Thames. Herts, Middlesex, Kent, Surrey, Berks, 
Oxford, Bucks, Essex. 
4. Ouse. Huntingdon, Bedford, Suffolk, Norfolk, Cam- 
bridge, Northampton. 
5. Severn. Warwick, Gloucester, Monraouth, Hereford, 
Worcester, Salop. 
6. S. Wales. Radnor, Brecon, Glamorgan, Carmarthen, 
Pembroke, Cardigan. 
7. N. Wales. Anglesea, Denbigh, Flint, Montgomery, 
Merioneth, Carnarvon. 
8. Trent. Leicester, Rutland, Lincoln, Notts, Derby. 
9. Mersey Cheshire, Lancashire (excl. northern part). 
10. Humber. York. 
11. Tyne. Durham, Northumberland. 
12. Lakes. Westmoreland, Cumberland, N. of Lanca- 
shire, Isle of Man. 
13. W. Lowlands. Dumfries, Kircudbright, Wigton, Ayr, 
Renfrew, Lanark. 
14. E. Lowlands Peebles, Selkirk, Roxburgh, Ber- 
wick, Haddington, Edinburgh, Linlithgow. 
15. E. Highlands. Stirling, Clackmannan, Kinross, 
Fife, Perth, Forfar, Kincardine, Aberdeen, Bauff, 
Nairn, Elgin or Moray incL Inverness E. of 
Loch Erricht. 
16. W. Highlands. Inverness W. of Loch Erricht, 
Argyle, Dumbarton ; the Isles adjacent from Bute 
and Arran to Skye. 
17. N. Highlands. Ross, Cromarty, Sutherland, Caith- 
ness. 
18. N. Isles. Orkney, Shetland. 
19. W. Isles.^-Outer Hebrides. 
20. Ulster (N.). Antrim, Londonderry, Donegal, Ty- 
rone. Down, Armagh, Monaguan, Fermanagh, 
Cavan. 
