56 University of California Publications in Botany. [VOL. 3 



8. E. Cooperi (Gray) Hall, comb. nov. Bigelovia Cooperi 

 Gray, Proc. Am. Acad. viii. 640 (1873). Chrysoma Cooperi 

 Greene, Eryth. iii. 12 (1895). 



Stems slender, probably less than 1 m. high : herbage minute- 

 ly tomentose, resinous: leaves filiform (or narrowly linear?), 

 acute, 2 cm. or less long : inflorescence paniculate : heads 6 to 8- 

 flowered; rays none: involucral bracts narrowly oblong (the 

 inner ones lanceolate, attenuate, 7 or 8 mm. long; outer ones 

 ovate, obtuse ?), chartaceous, pale to the apex: style-appendages 

 ovate-subulate. 



Known only from the Providence Mts. in the Mohave Desert 

 of eastern San Bernardino Co. First found by Cooper, ace. to 

 Gray; rediscovered by Brandegee, if certain specimens gathered 

 by him Jun. 6, 1902 with only vestiges of the previous years' 

 heads belong to this species. 



9. E. brachylepis (Gray) Hall, comb. nov. Bigelovia brachy- 

 lepis Gray, Bot. Calif, i. 614 (1876). Chrysoma brachylepis 

 Greene, Eryth. iii. 12 (1895). 



Shrubs 1 to 2 m. high, branched from the base : leaves of the 

 branches crowded, viscid and resinous-punctate, glabrous, filiform 

 or slightly flattened, 1 or 2 cm. long : heads racemose among the 

 upper leaves or narrowly paniculate : involucre 4 to 6 mm. high ; 

 bracts oblong, obtuse or only acutish, with a brown resinous- 

 thickened medial line and ciliate margins, outermost passing into 

 minute bracts of the peduncle : heads 8 to 12-flowered ; rays 

 none: style-appendages subulate-filiform: achenes linp^ canes- 

 cent. 



Southwestern San Diego Co. : Larkins Station, Palmer, ace. 

 to Gray; Potrero, Cleveland; Campo, Orcutt. Also at El Rosario, 

 Lower California, Brandegee. 



15. CHRYSOTHAMNUS Nutt. 



West American shrubby or suft'rutescent plants with hard 

 wood and narrow or terete entire leaves. Herbage white-tomen- 

 tose or glabrous, often viscidulous or resinous. Inflorescence 

 paniculate, cymose, or rarely racemose. Heads homogamous. 

 Involucre narrow; its bracts well imbricated usually in more or 



