POLYSTICHUM ANGULARE. 



107 



Fig. ra 



SuBTRiPiNNATUM, Moore. (Fig. 78.) — A common form, both 

 in Ireland and England, scarcely deserving the name of a 

 variety, resembling, as it does, the normal form, its only 

 difference being in its highly-developed jfronds. The lower 

 pinnules, and the basal ones in particular, are so profoundly 

 pinnatifid that the segments become almost distinct, and indeed 

 sometimes quite distinct. It grows in damp shady situations, 

 and attains a large size. I am indebted to Mr. Stansfield, of 

 Todmorden, for fronds. 



IxcisuM, WoUaston. (Fig. 79.) — Found at Littlehampton, in 

 Sussex, by Mr. G. B. Wollaston. A large-growing variety. The 



Q2 



