12 POLYPODIUM GLAUCUM. 



rhizoma above the soil; in its native habitats it grows in 

 woods at the base of trees. 



For a plant and fronds of this Fern I am indebted to Mr. 

 Joseph Henderson, of Wentworth. 



It is in the Catalogues of Messrs. Rollisson, of Tooting; 

 Masters, of Canterbury; and Stansfield, of Todmorden. 



The illustration is from a plant in my own collection. 



