Portion of mature Frond - under side. 



POLYPODIUM FLEXILE. 



Moore. Henfrey. 



PLATE XLVI. 



Polypodium alpestre, var. flexile, 

 Pseudathyrium flexile, 

 Phegopteris flexilis, 



LiNDLEY AND MoOEE. 



Newman. 

 J. Smith. 



Polypodium — Polypody. 



Flexile — Bending. 



A VERY pretty and distinct hardy British. Fern, more slen- 

 der and flaccid than Pohjpodium alpestre, narrower fronded, 

 the pinnae being shorter, and the pinnules much less numerous. 



Pinnse brief, spreading, deflexed, having six to eight pairs 

 of pinnules. Pinnules oblong and narrowing below; distantly 

 toothed. 



Stipes very brief. 



Sori chiefly at the base of the frond, six or eight on a 

 pinnule. Apex barren. 



Lensrth of frond from six to sixteen inches. 



Found in Glen Prosen, Clova Mountains, by Mr. Backhouse. 



For fronds my thanks arc due to ilr. Stansficld, of tlic Yale 

 Gardens, Todmordcn. 



