10 



p. andromedaefolia, Fee. ''Andromeda Cliff-br/ike." San 

 Bernardino, Santa Barbara, and northward. Com. 



P. pulchella, Fee. 'Pretty Cliff-brake." Rare in New Mex. 

 Expected in Ariz. 



^ ^ Pinnies mucronate. 



^ Fronds about twice pinnate. 



P. ternifolia, Link. '' Trifoliate Cliff-brake." Western Texas. 

 Ex])ected in Ariz. 



P. Wrightiana, ilook. " Wriglit's Clift'-brake." Along stream 

 beds. Ciiirricahua, Santa Catalina, and Mt. Graham. 



Var. Californiea, Leramon. A small form with narrow pinnife. 

 San Bernardino Mts., Cal. 



p. braehyptera, Baker. " Strict Cliff-brake." Claremont Peak, 

 Plumas Co., San Bernardino, Cal., G,000 ft. 



^ ^ Fronds tripinnate. 



P. Ornithopus, Hook. " Bird-foot Cliff-brake." San Bernar- 

 dino Plains, Coast and Sierra foot-hills. 



P. densa, Hook. " Oregon Cliff-brake." Mt. Standford, Scott 

 Mt. to Shasta. Rare. 



§ o. Platyloma. Involucres broad and flat. 



P. Bridgesii, Hook. " Bridges' Cliff-brake." Webber Lake, 

 7,800 ft. Pare northv/ard. 



P. flexuosa, Link. '' Zig-zag Cliff-brake." Santa Catalina, 

 Chirricahua, and Mt. Graham foot-hills, Ariz. 



Cryptogramme, R. Br. '' Rock-brakes." 



C. acrostichoides, R. Br. " American Rock-brake." Webber 

 Lake, Gold Lake, Cal., and northward, 8,500 ft. 



Fteris, L. " Bracken," '' Eagle fern." 



P. aquilina, L. 



Var. lanuginosa, Bong. " Woolly Eagle fern." Sierra val- 

 ley; throughout the Pacific coast. Com. 



Adiaxtum. L. " Maiden Hair." 



^ Fronds plume-shaped or deltoid. 



A. capillus — Veneris, L. " Venus' Maiden ILiir." Santa 

 Barbara, Yo-Semite, etc. ; beside streams and cascades. Com. 



