(479) 
Involucre canescent; disk yellow. 2. E. actont. 
Rays none; herbage scabrous. 3. E. frutescens. 
Peduncles glabrous; leaves silvery tomentose. 4. E. farinosa. 
1. ENcELIA CALIFoRNICA Nutt. Trans. Am. Phil. Soc. 7: 357. 
1841. 
Type locality: “On dry hills, near St. Barbara, Upper Cali- 
fornia.” 
Distribution: Common on hillsides from Santa Barbara south- 
ward on the coast slope to northern Lower California. Confined 
mainly to the Upper Sonoran but extending into the Lower Son- 
oran toward its southern limits. 
Specimens examined: Santa Barbara, Bolander, 1873; hills 
near Inglewood, Abrams 3107; Santa Monica Canyon, Abrams 
1486; San Diego, Susan G. Stokes, June 12, 1895; Santiago 
Canyon, Santa Ana Mountains, Helen D. Geis 540; Santa Bar- 
bara, Elmer 3899; hillsides at Tia Juana, Abrams 3470. 
Bex, 2. Encezia acroni Elmer, Bot. Gaz. 39: 47. 1905. 
Encelia frutescens {. actoni Hall, Univ. Calif. Pub. Bot. 3: 135. 
1907. 
Type locality: ‘Acton, Los Angeles county, California.” 
Distribution: Western slopes of the Mohave and Colorado 
Deserts, extending into the coastal region in the vicinity of San 
Jacinto. Lower Sonoran. 
Specimens examined: Acton, Elmer 3724 (type); Hesperia, 
Parish 4873; San Felipe, Susan G. Stokes, July 28, 1895; Ven- 
tura, Brandegee; Jacumba Hot Spring, Abrams 3667; San 
Jacinto, Hall 2907; Liebre Mountains, Abrams {9 McGregor 402; 
between Tehachapi and Mohave, Abrams &§ McGregor 500; Rock 
Creek, Abrams &F McGregor 548. 
3. ENcELIA FRUTESCENS A. Gray, Proc. Am. Acad. 8: 657. 1873. 
Simsia frutescens A. Gray, Bot. Mex. Bound. 89. 1859. 
Encelia frutescens f. ovata Hall, Univ. Calif. Pub. Bot. 3: 135. 
1907. 
Type locality: “Sierra Prieta, near Fort Yuma, E. California.” 
Distribution: Dry hillsides and washes of the Colorado and 
Mohave Deserts, eastward to Arizona and southern Nevada. 
Lower Sonoran, 
