286 



THE NATURALIST. 



Class TIL 



ACOTYLEDONOUS OE CELLULAE PLANTS. 



FiLICES. 



PoLYPODiUM. Linn. Polypody. 

 P. vulgare, L. Common Polypody. Heath, Purston. The variety P. 



sermtum, grows at Purston. 

 P. Dryopteris, L. Tender Three Branched Polypody, or Oak Fern. Ne- 



therton, Lofthouse, Heath, (I believe now destroyed), Soothill Wood, 



(S. Bruce, Esq., L.L.B.) 



Allosurus. Bernh. Parsley Fern. 

 A. crispus, Bernh. Parsley Fern, or Eock Brake. Heath, near Wakefield. 



Discovered hy W. S. Banks, Esq., since destroyed or buiied. 

 Polystichum. Roth. Shield Fern. 

 P. aculeatum, Eoth. Common Prickly Shield Fern. Ardsley, Wentbridge. 



The P. lohatum, is found at Wentbridge. 

 P. angulare, PresL Soft Prickly Shield Fern. Nostel. (Mr. Watson.) 



LASTRiEA. Fresl. Buckler Fern. 

 L. Oreopteris, PresL Mountain Buckler Fern. Hems worth, (T. M. K. 



Hughes, Esq.) I^'etherton. 

 L. Filix-mas, Presl. Male Fern. Common. The variety L. incisa, as well 



as bifid and much divided forms are often found. 

 L. spinulosa, Presl. Prickly Buckler Fern. Soothill Wood, Ardsley, 



Langley Wood, 'New Miller Dam, Streethouse, Haw Park, &c., &c. A 



variety occurs in Soothill Wood, with very contracted pinnules, in some 



instances scarcely toothed and almost spineless and dying off much 



earlier than the normal form. 

 L. cUlitata, Presl. Broad Prickly Buckler Fern. Common. 



Athyrium. Eoth. Lady Fern. 

 A. Filix-foemina, Eoth. Lady Fern. Frequent. The varieties A. convexum, 



and A. inciswm, are frequent. 



Asplenium. Linn. Spleenwort. 

 A. Trichomanes. L. Wall Spleenwort. Nostel, New Miller Dam, Womers- 



ley, Heath. 



A. Adiantum-nigrum, L. Black Spleenwort. Eoyston, ISTostel, Loft- 

 house, (Mr. Forrest.) 



A. Ruta-muraria, L. Wall-rue Spleenwort. Womersley, Sandal, Thornes^ 

 New Miller Dam, Nostel, Stanley, Heath, 



