244 
BRITISH FERNS. 
EQUXSETTJM PALTJSTRE. 
Peninsula. Cornwall. Devonshire. Weston-super- 
Mare., Somersetshire. 
Channel. Hants. Isle of Wight. Dorsetshire. Pur- 
ton, Wilts. Sussex. 
Thames. Hertford; Stortford; Hitchin, Hertfordshire. 
Middlesex. Stoke, Surrey. Stratford, Essex. Ox- 
fordshire. 
Severn. HarPs Hill and elsewhere, Warwickshire. 
Gloucestershire. Herefordshire. Staffordshire. 
Shropshire. 
South Wales. Glamorganshire, Carmarthenshire, Pem- 
brokeshire. 
North Wales. Anglesea, Denbighshire, Carnarvon- 
shire. 
Trent. Leicestershire, Rutland, Lincolnshire, Derby- 
shire, Nottinghamshire. 
Mersey. Cheshire, Lancashire. 
Humber. Everywhere in Yorkshire. 
Lakes. Westmoreland. 
West Lowlands. Dumfriesshire, Kircudbrightshire, 
Lanarkshire. 
East Lowlands. Berwickshire, Roxburghshire, Lin- 
lithgowshire, Edinburghshire. 
West Highlands. Inverness-shire, Argyleshire, Isles 
of Islay and Cantire. 
East Highlands. Stirlingshire, Clackmannanshire, 
Kinross-shire, Fifeshire, Kincardineshire, Moray- 
shire, Perthshire, Forfarshire, Aberdeenshire. 
North Highlands. Caithness, Ross-shire. 
Northern Isles. Orkney. 
Western Isles. Roddal, Harris. 
