294 HISTORY OF BRITISH FERNS. 



THAMES. Hertford heath; Broxbourne ; Aldenham; Hitchin, 

 &c., Hertfordshire. Eridge rocks, Kent. Chertsey ; Bag- 

 shot ; Virginia Water, and other parts of Surrey. Hamp- 

 stead, Middlesex. Epping, Essex. 



OUSE. Norwich, Norfolk. Cambridgeshire. Northamptonshire. 



SEVERN. Stoke heath; Stinchall; Whitley; and other parts of 

 Warwickshire. Gloucestershire. Howie hill, Eoss ; Col- 

 wall, Herefordshire. Worcestershire. Staffordshire. Shrop- 

 shire. 



S. WALES. Brecknockshire. Glamorganshire. Cardiganshire. 

 Pembrokeshire. 



N. WALES. Denbighshire. Flintshire. Carnarvonshire. 



TRENT. Leicestershire. Black rock, Cromford moor, near 

 Matlock, Derbyshire (var. dumetorum). Lincolnshire. Not- 

 tinghamshire. 



MERSEY. Lindon moss near Mobberley, Cheshire. Eisley moss 

 near Warrington ; Clough near Manchester, and elsewhere 

 on the hills (var. collina) of Lancashire. 



HUMBER. Leckby Carr ; Heckfall wood; Sheffield moor; 

 Settle ; Halifax ; Ingleborough (var. collina), and elsewhere, 

 Yorkshire. 



TYNE. Morpeth, Northumberland. Durham. 



LAKES. Near Elter water (var. collina), and elsewhere (var. 

 dumetorum), Westmoreland. Red house, Cumberland. 



W. LOWLANDS. Dumfriesshire. Aryshire. Lanarkshire. 



