ATHYIllUM FILIX-FCEMINA. 



113 



conspicuously dentate, many of the others diLated or crested. 

 The apex of the frond branched and crested. The two basal 

 pairs of pinnae descending, smaller, and not crested. The 

 illustration is from Messrs. Stansficld, of Todmorden. 



Fig. 446. — Middle pinnss. 



FoXTONi, Stansjield. (Fig. 446.) — Raised from spores in 

 1861, by Mr. Foxton, of Thirsk. A dwarf laciniate form, 

 with fronds ten to twelve inches in length, Pinnre distant, 

 small, and broad, and very leafy at the base of the frond; 

 widest in the centre, and less leafy. The pinnules mostly 

 dilate at their apices. The aj^ex of the frond acuminate. The 

 illustration is from Messrs. Stansfield, of Todmorden. 



Fig. 447. — Basal pinna. 



Brevipinnulum, Stansfield. (Fig. 447.) — Found in the Vale 

 of Todmorden, in 1864, by Mr. J. Law. A distinct form, 

 with long narrow pinnae. Length of frond fifteen inches, 

 width five inches and a half near the base, becoming narrow 

 to the apex, which is acuminate. Pinnae ascending, approximate, 

 the largest three inches in length, and scarcely more than a 

 quarter of an inch wide, acuminate at the apex. Pinnules 

 very various in size and shape, all rounded at the apex, and 

 VOL, 11. Q 



