144 POLYPODIUM HEXAGONOPTERUM. 



Length of frond from twelve to eighteen inches ; colour dark 

 green. 



Sori/^submarginal. 



Messrs. Booth, of Hamburg, have forwarded me plants and 

 fronds of this species. 



The only catalogues which contain this Fern are those of 

 Messrs. Booth, of Hamburg, and Kennedy, of Covent Garden. 



The illustration is from a plant in my own collection. 



