47 



LOMARIA SPICANT, Var. Heterophyllum. 

 Moore. 



PLATE XX. — A. 



Iiomaria — From loma, an edge, in reference to the position of the 

 spore-cases. 8picant — Spiked. Heterophyllum — Diflferent-leaved. 



Found at Tunbridge Wells, by Mr. "WoUaston, and subse- 

 quently on Ben Lawers, Scotland, by Mr. James Horsfall. 



On this variety are produced fronds in which, the lobes are 

 wholly or partially absent, and frequently becoming semicircular 

 in form; inciso-dentate. 



Length of sterile frond four inches. 



Another variety of a British species. Constant. 



The frond for illustration was forwarded by Mr. Stansfield, 

 of Vale Gardens, Todmorden. 



LOMARIA SPICANT, Var. Imbricatdm. 



PLATE XX. — B. 



Lomaria—Fmm loma, an edge, in reference to the position of the 

 spore-cases. Spieani— Spiked. J»s6Hcai«»!— Imbricated. 



Found in 1858, in the Vale of Todmorden, by Mr. J. 



Horsfall. 



Pinnules approximate and even crowded, so much so that 

 there are fifty pairs on a frond three inches in length; they 

 are exceedingly narrow at the base, and become largest in the 

 centre of the frond. 



Base scaly. 



A hardy constant variety of a British Fern. 



The frond for illustration was forwarded by Mr. Stansfield, 

 of Todmorden. 



