230 
BRITISH FERNS. 
Channel. Dorset, Wilts, Isle of Wight, Hants, Sussex. 
Thames. Herts, Middlesex, Kent, Surrey, Berks, Bucks, 
Oxfordshire, Essex. 
Ouse. Suffolk, Norfolk, Cambridgeshire, Bedfordshire. 
Severn. Warwickshire, Gloucestershire, Herefordshire, 
Shropshire, Worcestershire, Staffordshire. 
South Wales. Glamorganshire, Carmarthenshire, Pem- 
brokeshire. 
North Wales. Anglesea, Denbighshire, Merioneth- 
shire, Carnarvonshire. 
Trent. Leicestershire, Nottinghamshire, Derbyshire, 
Rutland. 
Mersey. Cheshire, Lancashire. 
Humber. Yorkshire. 
Tyne. Northumberland, Durham. 
Lakes. Cumberland, Westmoreland. 
West Lowlands. Dumfriesshire, Kircudbrightshire, 
Renfrewshire, Lanarkshire. 
East Lowlands. Berwickshire, Edinburghshire, Lin- 
lithgowshire. 
West Highlands. Argyleshire, Dumbartonshire, Ailsa 
Craig, Islay, and Cantire. 
East Highlands. Stirlingshire, Clackmannanshire, 
Perthshire, Fifeshire, Forfarshire, Kincardineshire, 
Aberdeenshire, Banffshire, Morayshire, Nairnshire. 
North Highlands. Cromarty, Sutherlandshire, Caith- 
ness. 
Northern Isles. Orkney. 
Western Isles. North Uist, Harris, Lewis. 
Connaught. Arran Isles, Galway. 
Munster. Cork. 
Channel Isles. Jersey. 
