258 FILICES. 



971. A. marinum, L. 



Native ; in the crevices of rocks on the coast of North 

 Somerset, very rare. 



S. Between Portishead and Clevedon; Her b. Stephens. 

 It grows on rocks at Walton-in-Gordano, and be- 

 tween there and Portishead. Sparingly on rocks 

 at Brean Down ; Mr. T. F. Perkins, 1881. 



972. A. Ruta-muraria, L. Wall Rue. 



Native; on rocks and old walls, very common. It 

 may often be seen in the older parts of Clifton ; as 

 underneath Royal York Crescent, and on Richmond 

 Terrace. V. IX 



SCOLOPENDRIUM, Sm. 



973. S. vulgare, Sym. Hart's-tongue. 



Native ; in damp, shady places, common. We have 

 seen plants bearing fronds bifid, crisped, or con- 

 torted in various ways. VII. VIII 



CETERACH, Willd. 



974. C. officinarum, Willd. Rustyback. 



Native ; on old walls, rocks, and banks, common. 

 Very abundant about Bristol, and one of the pret- 

 tiest ornaments of our limestone walls. 



G. In plenty at Almondsbury. Rocks at Penpole 

 Point. Frenchay. Thornbury. Westbury-on- 

 Trym. 



S. Limestone rocks in Leigh Woods. Old walls at 

 Long Ashton. Flax Bourton. Banwell. Congres- 

 bury. Churchill. Clevedon. On Mendip at 

 Cheddar and Draycot. Downside. Compton Martin. 

 Tickenham. Stanton Drew. Stone Easton. Walls 



