8 Polypodiaceae 



Rootstock slender, creeping, 



Cryptogram- thread _ lik gtems slender gcat _ 

 ma Stellen 



(S. G. tered 2-3 inches long, dark 



Gmel.) brown; leaves thin, ovate in 



Prantl. outline 2-5 inches long, 1-2 



C*7 xJ 



inches wide, 2-3 pinnate or 

 Chff-brake 



pinnatifid above, the fertile 

 taller, with narrower pinnules and segments, 

 pinnae lanceolate-deltoid, cut to the rachis, 

 in few lobed or entire segments; indusium 

 broad; veins conspicuous. 



In crevices of damp or dripping rocks, 

 preferably limestone, in the Rockies up to 

 7000 feet elevation; not common. 



Cheilanthes Rootstock creeping, covered with 

 Fei Moore, pale rusty-brown scales ; stems 

 Hairy Lip tufted, wiry, chestnut brown, 

 2-4 inches long, hairy; leaves 

 oblong-lanceolate in outline 4-9 inches long, 

 gradually attenuate to' the apex, twice 

 pinnate; pinnules somewhat distant, lance- 

 olate-deltoid, acute, deeply pinnatifid or 

 incised, more or less covered with stiff 



