















190 THE BRITISH FERNS. 
Channel.—Sussex: Hurst Green, Rev. J. Hand. Dorsetshire: 
Bridport. Wiltshire. ; 
Thames.—Hertfordshire: * Barnet. Kent: Tunbridge, M. T. 
Masters ; Sturry. Surrey: Reigate; St. Martha’s Hill, Guildford, 
TM. ; Mayford; Woking; Merrow; Moor Park, near Farnham, 
Mrs. Walker. 
Ouse.—Bedfordshire : Sutton, and Potton, R. Heward. Norfolk: 
Norwich, .E. Field. Northamptonshire: King’s Cliffe. 
Severn.—Herefordshire: Copped Wood Hill, near Ross, W. 
H. Purchas. Worcestershire: Malvern; Daylesford Hill, A. 
Buckley. 
Trent.— Nottinghamshire: Wollaton. Derbyshire : Stapenhill. 
Tyne.—Cumberland : Cockermouth. Northumberland: Bedling- 
ton, near Morpeth, Rev. R. Taylor. 
E. Lowlands.—Berwickshire: The Dene, Bogan Green, Colding- 
ham, R. Hogg. 
W. Lowlands.—Lanarkshire: Cathcart Hill, near Glasgow, Dr. 
Deakin. 
E. Highlands.—Kinross-shire. Perthshire : Dunkeld; Ben Chonzie, 
near Crieff. Kincardineshire: Kingeausie, J. T. Syme. 
W. Highlands.—Argyleshire: Cairndow. 
Leinster.—Dublin: Kingstown, R. Barrington. 
Channel Isles.—Guernsey, C. Jackson. _ 
A monstrously developed state, in which the parts are broader 
and more decurrent, and frequently irregular in development, but 
which is probably only an accidental development of this variety, 
has been gathered at Teignmouth, Tunbridge, Stapenhill, Dolgelly, 
Durham; Balhivy, Down; and in Guernsey. 
Another form (deorso-lobata), in which the pinnules have an 
enlarged posterior basal lobe, is probably a peculiar form of incisa ; 
the pinnules are oblong and obtuse, the basal ones with a narrow 
attachment; the margins of the basal ones are more or less inciso- 
lobate, with the lobes serrated, and the lower posterior one much 
enlarged and forming a kind of auricle directed towards the main 
rachis, which is the chief peculiarity of the variety, and occurs in 
various lesser degrees in most of the common states of this type. 
The rest of the pinnules are more or less inciso-serrate. This is the 

