igg] FLORA OF BOULDER, COLORADO 51 



8. CHEILANTHES Swartz. Lip-fern. 



9. C. Feei Moore [C. gracilis Mett. ; C. lanuginosa Nutt.L 

 Woolly lip-fern. 



Growing with Asplemitm Andrew sii A. Nelson on the south 

 face of a white sandstone (alkaline) cliff extending along 

 Boulder creek for a mile or more (Andrews, in Nelson, Proc. 

 of the Biol. Soc. of Wash., 17, 175). 



Illinois and Minnesota to British Columbia; Missouri 

 to Texas and Arizona. 



10. C. Fendleri Hook. Fendler's lip-fern. 

 Dry rocks, Boulder, 5900-8500 ft. (Rydberg). 

 Colorado and Texas to California. 



9. ASPLENIUM L. Spleenwort. 



11. A. Trichomanes L. Maiden-hair spleenwort. 

 Limestone rocks. South Boulder Canon, 5400-7000 ft. 



(Rydberg). 



North America: Europe: Asia: South Africa: Pacific 

 Islands. 



12. A. Andrewsii A. Nelson. Andrews's spleenwort. 

 Growing abundantly in crevices with Cheilanthes Feci 



Moore (Andrews, in Nelson, loc. cit. pp. 174-175). 

 Known only from the type locality as above. 



10. BELVISIA Mirb. Grass-fern. 



13. B. septentrionalis (L.) Mirb. [Asplenium septentrio- 

 nalis (L.) Hofftn.] Northern grass-fern. 



Bald ridges of Green Mr..; south slope of Bear Mt.; South 

 Boulder Canon, 6000-7000 ft. (Daniels, 358). 



South Dakota to Montana; New Mexico to Arizona. 



