
| 176. BRITISH FERNS 





F g. 198. i P. ә. auritum dentatum. Fig. 199. Г. v. bifidum 
(obtuse form). 




AURITUM DENTATUM (Fig. 198).— Found by Мг. C. Monkman 
near Boness ; a form of auritum with saw-toothed pinnæ. 

