1907] Hall. Compositae of Southern California. 135 



discoid heads. It is represented by such collections as: Sheep- 

 Hole Mts., Mohave Desert, Hall f no. 6055; Bagdad, Mohave 

 Desert, Brandegee; Canon Springs and McCoy Wash, Colorado 

 Desert, Hall, nos. 5859, 5939; Cariso Creek, Colorado Desert, 

 Brandegee; Foothills Station, California, Lemmon, no. .51 ; Ord 

 Mts., Mohave Desert, Hall & Chandler, no. 6825; Panamint 

 Valley, Inyo Co., Hall & Chandler, no. 6906; California State 

 Survey (locality not given) ; Peach Springs, Arizona, Jul., 1889, 

 Greene (leaves ovate-oblong). The remaining material of E. fru- 

 tescens now at hand may be segregated into the following forms : 



f. radiata Hall, form. nov. Leaves ovate, rather large, sca- 

 brous and green : heads radiate. Northern Arizona, Apr., 1893, 

 Wilson; Grand Canon, Arizona, Grant, no. 396 ; S.E. Utah, May, 

 1892, Miss Eastwood. 



f. ovata Hall, form. nov. t Leaves ovate, rather large, sca- 

 brous and green : heads discoid. Signal Mt., Colorado Desert, 

 Abrams, no. 3156; near Tucson, Arizona, May 8, 1884, Pringle; 

 "Palmetto Springs," Stephens, no. 53. 



f. Virginensis (A. Nelson) Hall, comb. nov. E. Virginensis 

 A. Nelson, Bot. Gaz. xxxvii. 272 (1904). Leaves ovate, rather 

 large, cinereous with a rough pubescence: heads radiate: outer 

 involucral bracts linear-lanceolate. Southern Nevada, Goodding, 

 no. 666 (type number of E. Virgenensis) ; near St. George, Utah, 

 Parry, no. 142; Inyo Co., Hall & Chandler, no. 6903 (approach- 

 ing f. Actoni in pubescence). 



f. Actoni (Elmer) Hall, comb. nov. E. Actoni Elmer, Bot. 

 Gaz. xxxix. 47 (1905). Leaves ovate, large, whitened by a soft 

 pubescence : heads large, radiate : outer involucral bracts ovate- 

 acuminate. Acton, Los Angeles Co., Elmer, no. 3724; Greenhorn 

 Range, Kern Co., Hall & Babcock, no. 5091; Antelope Valley. 

 Davy, no. 2643 ; Cabazon, Riverside Co., Dr. R. J. Smith, no. 302 : 

 Inyo Co., May, 1892, Brandegee (peduncles soft-pubescent) ; 

 Walker Pass, Coville & Funston, no. 1020 ; Olancha, Purpus, no. 

 1976; Inyo Co., Rixford, also Austin, no. 30; Providence Mts. 

 May 30, 1902, Brandegee; Inyo Co., Purpus, no. 5383, also Hall 

 & Chandler, nos. 7062, 7217, 7308; Ord Mts., Hall & Chandler, 

 no. 6812; San Jacinto, Hall, no. 2007; Utah, Jones, no. 5195; 

 Nevada, Sliockley, no. 540. This form approaches E. farinosa 



