8 



N. Hookeri, Eatou. *' Hooker's Notholaena." Tucson, Pata- 

 gODia, and Chirricalma Mts., Ariz., 6,000 ft. 1875. (New Species!) 



^_ ^_ 3 — 5 pinnate, flexuous. 



N. nivea, Desv. " Snowy NothoLnena." Tombstone hills, over 

 the mines, Ariz., 6,000 ft. 1880. (New to U. S.) 



N. Fendleri, Kunze. " Fendler's Notholaena." Mts. S. E. 

 Ariz., and eastward. 



^ ^ ^ 3 pinnate, triangular. 



N. dealbata, Kunze. "Whitened Notholaena." In calcereous 

 rocks, Chirricahua and Santa Rita Mts., Ariz., 7,000 ft. 



Var. stricta, Lemmon. An elongated form, Apache Pass. 



^ ^ iie ^ Fronds naked beneath, triangular. 



N. tenera, Gillies. " Brittle Nothohena." Expected in Ariz. 

 Found eastward. 



THIRD TRIBE, PTEEIDE^. Five genera. 



Cheilanthes, Sw. Lip-ferns. 



§ 1. Adianto2:>sis. Involucres separated. 



C. Californica, Mett. " Cal. Lip-fern " ; "Lace fern." Santa 

 Barbara ; sparingly along the coast. 



§ 2. Eucheilanthes. Involucres more or less united. 



^ Fronds smooth. 



C. Wrightii, Hook. " Wright's Lip-fern." Santa Catalina 

 and Chirricahua .Alts, and Mt. Graham, Ariz., 5,000-6,000 ft. 



^ ^ Fronds glandular. 



C. viseida, Davenport. " Sticky Lip-fern," Bluffs of White- 

 water River and Mt. San Jacinto, S. Cal. 1876. (New Species !) 



C. Cooperae, Eaton. " Mrs. Cooper's Lip-fern," Downieville 

 Buttes (1872). Santa Barbara and near Shasta (1875). On 

 limestone rocks. (New Species !) 



§ 3. Physapteris. Involucres continuous. 



^ Fronds tomentose beneath. 



C. gracillima, Eaton. " Graceful Lip-fern." Webber Lake, 

 Lassen's Peak, Yo-Semite, Shasta, etc., 7,000 to 0,000 ft. 



^ ^ Fronds tomentose above, also. 



C. lanuginosa, Nutt. " Woolly Lip-fern." Mt. Graham and 

 Chirricahua Mts.. S. E. Ariz, and W. Texas. 



