THE RUE-LEAVED SPLEENWORT. 121 
indusium in Asplenium germanicum being entire, and the apex of 
its pinnules having fewer deeper and more unequal incisions. 
The Wall Rue is generally distributed through Great Britain and 
Ireland, occurring, however, less frequently on the eastern side of 
England, as mentioned by Mr. Newman, and becoming rare in the 
Highlands, according to Mr. Watson. It grows on rocks and on 
ruins, and in abundance on old walls. Its range of altitude is 
estimated to extend from the coast level to an elevation of 600 feet 
or upwards. It is too common a plant to admit of more than the 
following indications of its distribution being here given :— 
Peninsula.—Cornwall. Devonshire: Marwood, Rev. F. Mules; 
Totnes, C. Scott. Somersetshire: Bath, Rev. E. Bosanquet. 
Channel.—Dorsetshire: Poxwell Church, Dorchester. Wiltshire. 
Isle of Wight. Hampshire. Sussex: Arundel Castle, G. McEwen. 
Thames.—Hertfordshire. Middlesex: Fulham Church, D. Maher. 
Kent: Penshurst; Dartford Church, Gerarde; Sittingbourne, Gerarde. 
Surrey: Albury (broad form), 7. M. Berkshire: Windsor Home 
Park, T. Cox. Buckinghamshire. Oxfordshire. Essex: Rayleigh 
Church, Gerarde. 
Ouse. — Suffolk. Norfolk. Cambridgeshire. Bedfordshire. 
Northamptonshire. 
Severn.—W arwickshire. Gloucestershire. Monmouthshire. Here- 
fordshire. Shropshire. Worcestershire. . Staffordshire. 
Trent.—Leicestershire. Nottinghamshire. Derbyshire. Rutland. 
Mersey.—Cheshire. Lancashire. | 
Humber.—Yorkshire: Hackness, A. Clapham. 
Tyne.—Durham. Northumberland. 
Lakes.= Cumberland : Keswick (various forms), Miss Wright. 
Westmoreland. 
S. Wales—Glamorganshire. Brecknockshire. Carmarthenshire: 
Dynevor Castle. Pembrokeshire: inside the church at Manorbeer, 
Mrs. E. T. Drake; Manorbeer Castle, Miss Hutton. ` 
N. Wales—Anglesea: Priestholme Island, Rev. W. A. Leighton. 
Denbighshire, Dr. Roulston. Merionethshire. Carnarvonshire: old 
wall near Capel Curig, A. L. Taylor. 

