4 o8 BRITISH FERNS 



LXXIII 



Obtusissimum (Wo//.) 



Mr. G. B. Wollaston. South Devon. 1861. 



1 ft. 6 in. 



Needs no description, — one of the first dozen of British Ferns, — 

 dark green in colour ; — a remarkable peculiarity about this fern is 

 that the spores, which are very abundant, produce only normal 

 forms. The finest specimen by far of the imbricate class. 



