754 MISC. PUBLICATION 42 3, U. S. DEPT. OF AGRICULTURE 



11. Cryptantha micrantha (Torr.) Johnston, Grav Herbarium Contrib. 



68: 56. 1923. 



Eritrichium micranthum Torr., U. S. and Mex. Bound. Bot. 



141. 1859. > 

 Eremocarya micrantha Greene, Pittonia 1: 59. 1887. 



Western and southern Arizona, common, chiefly in the creosotebush 

 belt, occasional northeastward at higher elevations, as at St. Johns 

 (Apache County) and Prescott (Yavapai County). Western Texas 

 to Oregon and California. 



12. Cryptantha gracilis Osterh., TorreyBot. Club Bui. 30: 236. 1903. 



Kayenta (Navajo County), Grand Canyon (Coconino County), 

 Ash Fork (Yavapai County), Littlefield (Mohave County), 1,600 to 

 7,000 feet, mesas and rocky slopes chiefly in the pinyon-juniper belt, 

 frequently on limestone. Eastern Colorado to Idaho, northern 

 Arizona, and eastern California. 



13. Cryptantha fendleri (A. Gray) Greene, Pittonia 1: 120. 1887. 



Krynitzkia jendleri A. Gray, Amer. Acad. Arts and Sci. Proc. 

 20: 268. 1885. 



Apache County to Yavapai and eastern Mohave Counties, 5,000 to 

 7,000 feet, in the sagebrush-saltbush, juniper, and lower pine belts. 

 Saskatchewan and eastern Washington south along the Rocky Moun- 

 tains to northern New Mexico and Arizona. 



14. Cryptantha recurvata Coville, Contrib. U. S. Natl. Herbarium 4: 



165. 1893. 

 Valley of the Virgin River (Mohave County), about 2,000 feet, 

 sandy deserts in the creosotebush belt, rare. Southwestern Utah and 

 extreme northwestern Arizona to southeastern Oregon and eastern 

 California. 



15. Cryptantha maritima Greene, Pittonia 1: 117. 1887. 



Krynitzkia maritima Greene, Calif. Acad. Sci. Bui. 1: 204. 1885. 



Western and southern Arizona, eastward to eastern Maricopa 

 County and central Pima County, commonly not above 2,000 feet. 

 Southern Nevada and Arizona to California and northwestern Mexico. 



The typical form of the species has evident coarse short bristles on 

 the calyx. A rather common form in which the bristles are hidden by 

 an abundance of spreading white silky hairs, var. jpilosa Johnston, is 

 sporadic within the range of the species. 



16. Cryptantha racemosa (S. Wats.) Greene, Pittonia 1: 115. 1887. 



Eritrichium racemosum S. Wats, in A. Gray, Amer. Acad. Arts 

 and Sci. Proc. 17: 226. 1882. 



Mohave and Yuma Counties, mostly below 3,000 feet, dry rocky 

 slopes in the creosotebush belt. Southern Nevada and western 

 Arizona to California and northern Baja California. 



Sheltered by large rocks, this species frequently forms a small much- 

 branched twiggy bush 30 to 60 cm. high. The persistent stems may 

 become more than 1 cm. thick and distinctly woody. The dead 



