252 
BRITISH FERNS. 
ISOETES LACUSTRIS. 
South Wales. Lakes below Brecon Beacon, Breck- 
nockshire. Glamorganshire. 
North Wales. Lakes of Merionethshire. Denbigh- 
shire. Ogwen ; Llyn-y-cwm ; Lakes of Llanberis, 
Carnarvonshire. 
Humber. Castle-Howard Lake; Foss reservoir, near 
Coxwold, Yorkshire. 
Tyne. Prestwick Carr, Northumberland. 
Lakes, Rydal and other lakes of Westmoreland. Ulles- 
water, Flontern Tarn, Butterinere, Crummack water, 
Derwentwater ; Wast water, Cumberland. Conistone, 
Lancashire. 
East Highlands. Stirlingshire. Fifeshire. LochTay; 
Loch Lubnaig, Perthshire. Loch Brandy ; Loch 
Whirrall, Forfarshire. Loch Callader, Aberdeenshire. 
West Highlands. Loch Sloy, Ben Yoirlich, Dumbar- 
tonshire. Lakes in the Isles of Skye. Loch Fad, 
Bute. 
North Highlands. Sutherlandshire. 
Northern Isles. Kirkwall, Orkney. 
Ulster. Lakes in the Rosses, Donegal. Castle Bla- 
ney Lake, Monaghan. 
Connaught. Lakes of Connemara. 
Leinster. Upper Lough, Bray ; Glendalough, Wick- 
low. 
LYCOPODIUM ALPINUM. 
Peninsula. Hills of Somerset. 
Channel. Hampshire. 
South Wales. Brecon Beacon, Brecknockshire. Gla- 
morganshire. Plinlymmon, Cardiganshire. 
