246 



BRITISH FERNS 



\ 



Marginatum (Fig. 295). — A form fre- 

 quently found in which the frond is 

 narrowed, the edge slightly frilled, and at 

 the back is more or less ridged just within 

 the margin. 



Marginato-cristatum. — Found by Mr. 

 J. M. Barnes ; marginate and crested. 



M. fimbriatum. — Marginate, edges fim- 

 briate. 



M. irregulare (Plate XXXVIII).— 

 Raised by Mr. C. Clapham. 



M. undulatum. — Marginate and undu 

 late. 



f«W 



^ 



Fig. 296. .S. v. multifidum nanum. 



MULTIFIDUM NANUM (Fig. 296). — A 



dwarf form found in Devon by Mr. W. 

 Edwards ; twin-fronded, bare stalks bear- 

 ing fine, spreading crests. 



Fig. 295. 6". v. marginatum. 



