FLOWER I XG PLANTS AND FERNS OF ARIZONA 933 



1. Baccharis wrightii A. Gray, PI. Wright. 1: 101. 1852. 

 Apache, Navajo, Coconino, and northern Yavapai Counties, 5,000 



to 6,200 feet, May to July. Kansas and western Texas to Arizona 

 and Durango. 



2. Baccharis brachyphylla A. Gray, PL Wright. 2: 83. 1853. 

 Mohave, Yavapai, Maricopa, Cochise, and Pima Counties, 2,500 



to 3,500 feet, May to September. Arizona, southern California, and 

 Sonora. 



3. Baccharis pteronioides DC, Prodr. 5: 410.' 1836. 



Aplopappus ramulosus DC, ibid. p. 350. 



BaccMris ramulosa A. Grav, Amer. Acad. Arts and Sci. Mem. 

 ser. 2, 5: 301. 1854. 



Yavapai, Graham, Gila, Maricopa, Pinal, Cochise, Santa Cruz, 

 and Pima Counties, 3,500 to 5.600 feet, April to September. Western 

 Texas, southern New Mexico, and Arizona, south to Puebla. 



Yerba-de-pasmo. Although the name ramulosa has page priority, 

 the name pteronioides was chosen by Gray 66 when the two specific 

 names were first combined and must be used under the International 

 Rules. 



4. Baccharis sergiloides A. Grav in Torr., U. S. and Mex. Bound. Bot. 



83. 1859. 

 Grand Canyon (Coconino Count}') to southern Mohave, Yavapai, 

 and Maricopa Counties, 3,200 to 5,000 feet, flowering nearly through- 

 out the year, the type collected by Emory's expedition along the Gila 

 or Colorado River, probably in Arizona. Utah, Arizona, southeastern 

 California, and Sonora. 



5. Baccharis sarothroides A. Grav, Amer. Acad. Arts and Sci. Proc. 



17: 211. 1882. 



Baccharis arizonica Eastw., Calif. Acad. Sci. Proc. ser. 4, 20: 

 155. 1931. 



Yavapai, Gila, Maricopa, Pinal, Santa Cruz, and Pima Counties, 

 1,000 to 4,000 feet, hillsides and bottom lands, sometimes in saline 

 soil, September to February, types of B. arizonica from Packard, 

 Gila County (Eastwood 15832, ^15833). Southwestern New Mexico 

 to southern California, northern Mexico, and Baja California. 



Broom baccharis, rosinbrush. 



6. Baccharis emoryi A. Grav in Torr., U. S. and Mex. Bound. Bot. 



83. 1859. 



Grand Canyon (Coconino County), Pierce Ferry (Mohave County), 

 and in Pinal, Pima, and Yuma Counties, 500 to 4,000 feet, mostly 

 along streams, September to November, the type collected by Em- 

 ory's expedition along the Gila River in 1846. Texas to southern 

 California and southern Utah, reported also to occur in northern 

 Mexico. 



Emory baccharis. Plants up to 2 m. high. 



66 Gray, Asa. xoyitiae akizonicae, etc. Amer. Acad. Arts and Sci. Proc. 17: 199-220 

 P.212J 



