214 POLYPODIUM DRYOPTEK1S. 
bear a mass of fructification on the inner branch of each 
fork midway between the edge and the mid-vein of the 
segment of the leaflet. The masses are pale, convex, 
and permanently distinct, turning brown when ripe, and 
are without hairs, scales, or other covering. 
It is found on shaded mountain-sides. Jn England, 
above Langley Ford, near the Cheviot Mountains; 
among rocks at the fall of Lodore, Derwent Water, 
in Cumberland ; in Barrowfield-wood, near Kendal ; 
near Durham; in Wedwood Forest, near Yoxhall 
Lodge, Staffordshire; near the upper part of the 
Tees ; at Hill Cliff, Cheshire ; Egerton Moor, and 
Dean Church Clough, near Boltou; and Boghart 
Hole Clough and Prestwich Clough, Lancashire ; 
rocks at Belle Hag, Sheffield; Richmond, and about 
North Bierley, in Yorkshire ; Cornbury Quarry, in 
Oxfordshire ; at Froddesley Hill, and north side of 
Titterstone Glee Hill, in Shropshire ; in woods north-east 
of the road up Frocester Hill, in Gloucestershire ; and 
Leigh Woods, near Bristol. 
In Wales, near Tintern Abbey; at Craig Breidden, 
Montgomeryshire ; Rhaiadr-y-Wenol-Twll-Du, Caernar- 
vonshire ; near Llangollen on a slate rock ; frequent in 
North Wales. 
In Scotland, on the banks of the White Adder, 
between the Retreat and Elm Cottage, Berwickshire, 
at Laugholm and Broomholm, in Eskdale; at Moray, 
in Ross-shire ; Hawthorn Dean, near Edinburgh ; 
about Duukeld, in Stormont ; common in Aberdeen- 
shire, Forfarshire, and Perthshire. 
