THE POLYPODIES 



)7? 



Fig. 200. P. v. bifidum (acute form). 



Bifidum (Fig. 199, 200). — This occurs not infrequently; 

 many of the lower pinnse are bifid or trifid at tips ; Fig 199 shows 

 the usual form, Fig. 200 an acute one. No constant thorough 

 form has been gathered. 



Bifido-multifidum. — Found at Grange by Mr. Walmsley ; 

 fronds long and narrow, all pinnae bifid or trifid, and with a broad, 

 branching, flat, terminal tassel. 



