Polypodiaceae 1 1 



Rootstock stout, ascending, or 

 Dryopteris 



Filix-mas erect, chaffy; stems 4-6 inches 

 (L.) Schott. long, very chaffy below; leaves 

 Male Fern. broadly lanceolate, acute or 

 acuminate at the apex, slightly narrowed at 

 the base, 1-3 feet long, rather firm, half 

 evergreen, pinnate or, partly 2-pinnate; pinnae 

 lanceolate, broadest at the base, gradually 

 acuminate, 3-6 inches long, pinnatifid almost 

 to the rachis, or pinnately divided into 

 oblong, smooth lobes; sori large, borne near 

 the margin, more numerous on the lower 

 halves of the segments. 



In rocky woods in the Selkirks on the 

 lower slopes of Mt. Macdonald. 



Rootstock stout, chaffy; stems 



6- 1 8 inches long, bearing large 

 spinulosa 



dilatata brown scales with dark centres: 



(Hoffm.) leaves broadly ovate or trian- 

 Underw. gular ovate, commonly 3-pin- 



ptn ose ^^^ pinnules lanceolate-oblong, 

 Shield Fern. 



the lowest often much elongated ; 

 sori medium size; indusium smooth. 

 In moist woods through the Selkirks, 



