FILICES. 255 



near Bath; Mr. T. B. Flower. Clovedon; Mr. W. 

 E. Green. Upper end of Cheddar Gorge. 



VII. VIII. 

 The form or vai'Iety lobatum is unsatisfactory, inas- 

 much as it graduates imperceptibly into the type, 

 and vice versa. Our account is substantially cor- 

 rect ; all doubtful plants being referred to acn- 

 leatum. 



965. P. angulare, Newman. 



Native ; on very shady hedge-banks and in woods. 



Not at all common near Bristol. 

 G. Dursley. Frenchay. Tortworth. Wotton-under- 



Edge. Stapleton Woods ; Swete, Fl. 96. 

 S. Leigh Wood. Wood by the river Avon between 



Pill and Ham Green. Hedges in Upper Failand. 



Maes Knoll. Banwell. Churchill. Clevedon. 



Clapton. Great Elm. Beechen Cliff, and wood on 



Lansdown ; Mr. T. B. Flower. VII. VIII. 



CYSTOPTERIS, Bernh. 



966. C. fragilis, Bernh. Bladder Fern. 



Native; on rocks and walls, showing a great par- 

 tiality for the carboniferous limestone. 



G. A few plants on a wall at North Stoke, 1878. 



S. Nightingale Valley, Leigh Woods ; Herb. Stephens. 

 Dr. Stephens' specimens are very fine. Recorded 

 from the same locality by Mr. Leo. H. Grindon, 

 and by Dr. Thwaites, about 1840. The latter 

 botanist sent examples from Nightingale Valley to 

 the London Botanical Society, a fact which leads 

 us to suppose that the fern was then plentiful. At 

 the present time we much doubt if a single plant 



