1022 MISC. PUBLICATION 4 2 3, U. S. DEPT. OF AGRICULTURE 



2. Stephanomeria thurberi A. Gray, Amer. Acad. Arts and Sci. Mem. 



ser. 2, 5: 325. 1854. 



Ptiloria thurberi Greene, Pittonia 2: 133. 1890. 



Navajo, Coconino, and Yavapai Counties, also Cochise and Santa 

 Cruz Counties, 4,000 to 8,000 feet, open forests of pine, pinyons, and 

 junipers, April to August. New Mexico, Arizona, and northern 

 Mexico. 



3. Stephanomeria schottii A. Gray, Bot. Calif. 1: 427. 1876. 



Hemiptilium schottii A. Gray in Torr., U. S. and Mex. Bound. 

 Bot. 105. 1859. 



Known only from the original collection made by Schott on the 

 Gila River. 



4. Stephanomeria exigua Nutt., Amer. Phil. Soc. Trans, ser. 2, 



7: 428. 1841. 



Hemiptilium bigelovii A. Gray in Torr., U. S. and Mex. Bound. 



Bot. 105. 1859. 

 Ptiloria exigua Greene, Pittonia 2: 132. 1890. 

 Ptiloria bigelovii Woot. and Standi., Contrib. U. S. Natl. 



Herbarium 16: 176. 1913. 



Apache County to Mohave County, south to Graham, Gila, Pima, 

 and Yuma Counties, 2,000 to 6,000 feet, plains, mesas, and hillsides, 

 often among shrubs, April to September. Wyoming to New Mexico, 

 Arizona, and California. 



It is reported that the Navajo Indians use this plant as a diuretic. 

 In the typical form the pappus consists of 9 to 18 bristles, these often 

 more or less connate at base into about 5 groups. In var. penta- 

 chaeta (D. C. Eaton) H. M. Hall, which has been collected at Yucca 

 (Mohave County) and near Tucson, the pappus consists of 5 to 7 

 distinct bristles. 



5. Stephanomeria pauciflora (Torr.) A. Nels. in Coult., New Man. 



Rocky Mount. 588. 1909. 



PrenanthesC?) pauciflora Torr., Ann. Lye, N. Y. 2: 210. 1828. 

 Ptiloria pauciflora Raf., Atlant. Jour. 145. 1832. 



Almost throughout the State, 1,200 to 7,000 feet, dry plains, mesas, 

 and slopes, flowering throughout the year. Kansas to Texas, Arizona, 

 and California. 



The Hopi Indians, according to one authority, apply the plant both 

 externally and internally to stimulate milk flow in women. 



6. Stephanomeria tenuifolia (Torr.) H.M.Hall, Calif. Univ. Pub. Bot. 



3: 256. 1907. 



Prenanthes(?) tenuifolia Torr., Ann. Lye. N. Y. 2: 210. 1828. 

 Ptiloria tenuifolia Raf., Atlant. Jour. 145. 1832. 



Apache, Navajo, Coconino, and Yavapai Counties, 5,000 to 7,000 

 feet, July and August. Montana to Washington, south to Colorado, 

 northern Arizona, and California. 



Stephanomeria wrightii A. Gray was doubtfully recorded by Gray 18 from 

 Arizona on the basis of material collected by Rusby. The identity of these 

 specimens is uncertain, but they do not seem to belong to S. wrightii. 



18 Gray, Asa. synoptical flora of north. America. 1 2; 1884. (See p. 414.) 



