132 THE BRITISH FERNS. 
and Northumberland, in Roxburghshire, about Edinburgh, in Perth- 
shire, and at the Pass of Ballater in Aberdeenshire, which is the most 
northerly station yet certified, though it has been reported from 
Orkney, as it also has from Forfarshire. It reaches an elevation of 
upwards of 3000 feet, and descends nearly to the sea level in North 
Wales. It does not appéar to occur at all in Ireland. The situa- 
tions in which it is found are fissures of rocks, and the interstices 
of loose stone walls. The recorded habitats are :— 
Peninsula.—Somersetshire: near Culborne, N. B. Ward; near 
Oare Church, Rev. W. S. Hore; wall on Exmoor, four miles from 
Porlock, R. J. Gray. 
Thames.—? Kent: Bocton Hill. 
Humber.—Y orkshire : Ingleborough. 
Tyne.—Northumberland : Kyloe Crags. 
Lakes. Cumberland: Honister Crags; Scawfell; Patterdale ; 
Keswick; ravine near Wastwater ; Borrowdale, Miss Wright; Vale 
of Newlands; Helvellyn, Rev. W. H. Hawker. Westmoreland: 
Ambleside. 
N. Wales.—Denbighshire: Llan Dethyla, near Llanrwst, Dr. 
Richardson ; Nant-Bwlch, near Llanrwst, a short cut from Llanrwst 
to Capel Curig, W. Wilson. Carnarvonshire: about a mile from 
Llanrwst on the Conway Road, E. Newman; Craig Dhu, Pass of 
Llanberris, S. O. Gray; rocks near Llyn-y-cwm, between Llanberris 
and Lyn Idwal; on Moel Lechog; rocks near Bettwys-y-Coed ; 
Pont-y-Pair, Capel Curig; Carnedd Llewellyn, &c. 
E. Lowlands.—Roxburghshire : Minto Crags; Jedburgh. Edin- 
burghshire: Arthur's Seat; Samson's Ribs; Blackford Hill; and 
other places in the neighbourhood of Edinburgh. 
E. Highlands.—Perthshire : Stenton Rocks, near Dunkeld. ? For- 
farshire. Aberdeenshire: Pass of Ballater, A. Tait. 
N. Isles.—? Orkney. 
This is a not uncommon European plant, occurring abundantly in 
some of the mountainous tracts of central Europe, and extending 
from Scandinavia and Russia, through Great Britain, Franco, 
Belgium, Switzerland, Germany, Hungary, Croatia, and Transyl- 

