876 
HISTORY OF BRITISH FERNS. 
E. Lowlands.— Near N. Berwick, Haddingtonshire. 
E. Highlands.— Sands of Barry, Dundee, Forfarshire (var. 
arenarium). Banks of the Dee, Kincardineshire (with var. 
Wilsoni). 
N. Highlands.— Tain, Ross-shire, B.S.E. 
Leinster. —Portmarnock Sands ; Royal Canal (var. Wilsoni ), 
both near Dublin. Mullingar, Westmeath (var. Wilsoni), 
B. W. Bawson. 
Munster. —Mucruss, Killarney, Kerry (var Wilsoni). 
Isoetes lacustris, Linnceus. 
Severn. —[Shropshire.] 
S. Wales. —Lake below Brecon Beacon, Brecknockshire. Gla¬ 
morganshire. 
N. Wales. —Lakes of Denbighshire. Merionethshire. Ogwen ; 
Llyn-y-Cwm ; Lakes of Llanberis, &c., Carnarvonshire. 
Humber. — Castle Howard Lake; Foss Reservoir near Cox- 
wold, Yorkshire. 
Tyne. —Prestwick Car, Northumberland, 
Lakes. —Rydal, and other Lakes of Westmoreland. Ulleswater; 
Floutern Tarn, near Buttermere ; Crummock Water ; Der¬ 
went Water; Ennerdale; Wastwater, &c., Cumberland. 
Conistone, N. Lancashire. 
E. Highlands. — Stirlingshire. Fifeshire. Loch Tay; Loch 
Lubnaig ; Ben Yoirlich, Perthshire. Loch Brandy; Loch 
Whirral, near Kettin, Forfarshire. Loch Callader, Aber¬ 
deenshire. 
