





Fiff. 3.— rortion of mature Frond— under side. 



POLYPODIUM ALPESTRE. 



Sprengel. 



The Alpine Polypody. 



PLATES II AND III. 



Folypodium alpestre, 



" rJicBiicum, 



" Jlexile, 



JPhegopteris alpcstris, 



" Jlexilis, 



Fseudathyrium alpestre, 



" jlexile, 



Atliyrium alpestre, 

 Aspidium alpestre, 

 " rhceticum. 



Speengel. Moore. Henfrey. 

 SowEEBY. E. J. Lowe. 

 Pailas. Fries. Woods. 



LeDEBOUR, {Not of LiNX.EUS.) 



Moore. 



Mettenius. J. Smith. 



J. Smith. 



Newmax. 



x^EWMAN. 



Nylander. 

 Hoppe. Schkithb. 



SWAETZ. 



Polypodium — From the Greek polys — many, and pous — a foot, 

 in allusion to the branching rhizoma. Alpestre — signifying a 



mountain, on account of its alpine situation. 



A COMPARATIVELY reccntly-cliscoverecl species, growing only 

 on the Scotch mountain'^, where it is abundant at an elevation of 



