1907] Hall. Compositae of Southern California. 59 



ate, obtuse, chartaeeous, sometimes with an indistinctly green- 

 ish thickened tip : style-appendages thickish, shorter than the 

 stigmatic portion. A polymorphous species, of which only the 

 following varieties reach our district : 



Var. tortifolius (Gray) Hall, comb. nov. Bigelovia Douglasii 

 tortifolia Gray, Proc. Am. Acad. viii. 646 (1873). Leaves linear 

 or narrowly lanceolate, acute, mostly 2 to 4 cm. long, more or 

 less twisted, the margins serrulate-ciliolate. Mt. Pinos, Ventura 

 Co., common on the summit ; Tejon Pass ; Bear Valley, San Ber- 

 nardino Mts. ; "San Jacinto Mt.," Nevin; more plentiful in 

 the Sierra Nevadas and eastward. Aug.-Oct. 



Var. stenophyllus (Gray) Hall, comb. nov. Bigelovia Doug- 

 lasii stenophylla Gray, Proc. Am. Acad. viii. 646 (1873). Leaves 

 2 mm. or less wide, mostly 2 to 4 cm. long, not twisted, the mar- 

 gins serrulate-ciliolate or smooth. S.E. California, ace. to Gray ; 

 near Acton, Los Angeles Co., Hasse, ace. to Parish. The Bear 

 Valley specimens mentioned under var. tortifolia might be con- 

 sidered as belonging here, the leaves being very narrow and only 

 some of them twisted. 



4. C. Mohavensis Greene, Eryth. iii. 113 (1895). Bigelovia 

 Mohavensis Greene, in Gray, Syn. Fl. i. pt. 2, 138 (1884). 



About 1 m. high; the loose branches erect or ascending, 

 yellowish-green and nearly destitute of foliage: herbage canes- 

 cent with a fine pannose tomentum when young, giabrate and 

 somewhat viscid in age : leaves few, ascending or appressed, 

 linear, 5 cm. or less long: heads in narrow terminal panicles: 

 involucre cylindric-turbinate, 10 mm. high, 5 mm. broad at sum- 

 mit ; its bracts about 5 in each of the 5 conspicuous vertical ranks, 

 obtuse and short-muticous, the midnerve thickened and brown, 

 especially above : achenes appressed-villous. 



Mohave Desert ; apparently rare. 



5. C. ceruminosus (Dur. & Hilg.) Greene, Eryth. iii. 94 

 (1895). Linosyris ceruminosa Dur. & Hilg., Pacif. E. Kept. v. 

 pt. 3, 9, t. 6 (1856) . Bigelovia ceruminosa Gray, Proc. Am. Acad. 

 viii. 643 (1873). 



Shrub erect, 6 to 9 dm. high, fastigiately branched: herbage 

 densely tomentose, resinous: leaves linear or nearly filiform, 



