242 BRITISH FERNS. 
bridgeshire. Potton Marshes ; Ampthill Bogs, Bed- 
fordshire. 
Severn. Near Middleton, Warwickshire. Pencoyd, 
Herefordshire. Moseley Bog, Worcestershire. Staf- 
fordshire. Dell in the Clee Hills, Shropshire. 
South Wales. Swansea, Glamorganshire. 
North Wales. Wrexham, Denbighshire. Flintshire. 
Trent. Grace Dieu Wood, Charn wood Forest, Leices- 
tershire. Nettleworth Green, Mansfield; Kirkling- 
ton, Nottinghamshire. 
Mersey. Near Arden Hall ; Lally's Wood, near Over ; 
Thurtaston, Cheshire. Mere Clough, near Man- 
chester, Lancashire. 
Humber. Halifax ; by the Derwent, near Castle Howard ; 
Goodland Dale, nearW T hitby; Harkness, near Scar- 
borough ; by the Skell, near Bipon ; Coneysthorpe ; 
Halton Woods, Wharfedale ; Rigby Woods, near 
Pontefract, and elsewhere in Yorkshire. 
Tyne. Hawthorn Dene; Castle Eden Dene, Durham. 
Scotswood Dene; Mill Green; Halton Wood; Felton; 
Warkworth, Northumberland. 
Lakes. Lowgelt Bridge, Cumberland. Westmoreland. 
West Lowlands. Barnbarrock ; Col vend, Kircud- 
brightshire. Carre Lyn ; Calderwood, Lanarkshire. 
East Lowlands. Rosslyn ; Lasswade ; Dalkeith, and 
elsewhere about Edinburgh. Lamberton Moor, Ber- 
wickshire. 
East Highlands. Kenmore, Perthshire. Den of Airby, 
Forfarshire. Park, banks of the Dee, Kincardine- 
shire. Pittendriech ; Forres, Morayshire. 
North Highlands. Ross-shire. 
Ulster. Antrim, Tyrone. 
Leinster. Powerscourt, Wicklow. Wood at Leislip 
Castle, and elsewhere about Dublin. 
