318 IIISTOKY OF BiaTISH FERN'S. 



Idwal, Clogwyn-y-GavnedJ, Penmaen Mawr (var. dcntata), 

 and elsewhere, iii the Snowdon district (form near alpina), 

 Carnarvonshire. 



Trent. — Leicestershire. Oxton and Bulwell Cliurches ; Work- 

 sop, Nottinghamshire. Fairfield {wiWw&x.dentata') ; Dove- 

 dale (var. dentata) ; Matlock Baths (with vars. dcntata and 

 angiistata) ; Castleton ; Lover's Leap near Buxton, Derby- 

 shire. 



Mersey. — Rostherne Church, Cheshire. Lancashire. (Var. 

 dcntata in both counties.) 



HuMBER. — About Settle (with vars. dentata and angiistata') ; Rei- 

 vaulx Abbey ; Helmsley ; Egglestone bridge on the Greta ; 

 Dropping Well, Knaresborough ; Anston rocks near Shef- 

 field ; Castle Howard Park ; Halifax ; Ayrsgarth Bridge, 

 Wensley Dale (var. angiistata), and many other parts of 

 Yorkshire. 



Ttxe. — Cauldron Snout (var. dentata), &c., Durham. Halt- 

 whistle ; Mitford Church near Morpeth (witli var. dentata), 

 B.S.E. ; Lintrope, Cheviots (with var. dcntata), Rev. R. 

 Taylor, Northumberland. 



Lakes. — Lamplugh, J. Dickenson, B.S.E. ; Borrowdale (var. 

 dentata), Miss Wright ; Holm Rock ; Mickledore ; Braith- 

 waite Brow, Egremont (var. dentata), J. Rohson ; and else- 

 where, Cumberland. Kendal (with var. dentata) ; Winder- 

 mere (var. intcrrupta), F. Clowes, and other parts of West- 

 moreland, Silverdale, N. Lancashire (var. dcntata). 



