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



2. Bractlets of the involucel rarely scarious, inconspicuous, or foliaceous and 

 conspicuous (5). 

 5. Bractlets of the involucel inconspicuous, not foliaceous; oil tubes 1 to 8 in 



the intervals 7. C. purpureus. 



5. Bractlets of the involucel conspicuous, foliaceous; oil tubes 3 to 17 in the 

 intervals (6). 

 6. Pseudoscape present; leaf segments usually longer than wide. 



5. C. FENDLERI. 



6. Pseudoscape absent; leaf segments wider than long- 6. C. newberryi. 



1. Cymopterus megacephalus M. E. Jones, Zoe 2: 14. 1891. 

 Junction of Moenkopi Wash and the Little Colorado River, on 



mesas in gravel near lower edge of juniper zone {Jones in 1890, the 

 type collection), 12 miles south of Cameron, 5,050 feet {Peebles 11807), 

 50 miles south of (Lees?) Ferry {Jones in 1890). Known only from 

 these collections in Coconino County, northern Arizona. 



2. Cymopterus bulbosus A. Nels., Torrey Bot. Club Bui. 26: 241. 



1899. 



Phellopterus utahensis (M. E. Jones) Woot. and Standi., 

 Contrib. U. S. Natl. Herbarium 16: 158. 1913, in part. 



Apache, Navajo, and Graham Counties, 2,700 to 6,000 feet. South- 

 western Wyoming to western Texas and northeastern Arizona. 



3. Cymopterus purpurascens (A. Gray) M. E. Jones, Zoe 4: 277. 1893. 



Cymopterus montanus var. purpurascens A. Gray in Ives, Rpt. 



Colo. River 15. 1860. 

 Phellopterus utahensis (M. E. Jones) Woot. and Standi., 



Contrib. U. S. Natl. Herbarium 16: 158. 1913, in part. 



Navajo County to eastern Mohave County, 3,500 to 7,000 feet, 

 type from Oraibi {Newberry in 1858). Southern Idaho to central 

 Arizona. 



4. Cymopterus multinervatus (Coult. and Rose) Tidestrom, Biol. 



Soc. Wash. Proc. 48: 41. 1935. 



Phellopterus multinervatus Coult. and Rose, Contrib. U. S. 

 Natl. Herbarium 7: 169. 1900. 



Coconino and Mohave Counties to Cochise, Santa Cruz, and Pima 

 Counties, 3,000 to 7,000 feet, type from Peach Springs, Mohave 

 County {Lemmon in 1884). Southern Utah to Texas, northern 

 Mexico, Arizona, and southeastern California. 



5. Cymopterus fendleri A. Gray, Amer. Acad. Arts and Sci. Mem. 



ser. 2, 4: 56. 1849. 



Apache County to Coconino County, 5,000 to 6,000 feet. Utah 

 to Chihuahua and northern Arizona. 



6. Cymopterus newberryi (S. Wats.) M. E. Jones, Zoe 4: 47. 1893. 



Peucedanum newberryi S. Wats., Amer. Nat. 7: 301. 1873. 



Navajo and Coconino Counties, 4,700 to 7,000 feet, usually in sand, 

 type from the "Flax" (Little Colorado) River {Newberry in 1858). 

 Southern Utah and northern Arizona. 



The sweet roots are eaten by Hopi children in spring. 



