1907] Hall. Compositae of Southern California. 125 



TRIBE 5. HELIANTHEAE. SUNFLOWER TRIBE. 



42. BEBBIA Greene. 



Half-shrubby strongly scented xerophytes with green and 

 nearly leafless intricately branched stems. Heads long-peduncu- 

 late or two or three together terminating the branches, discoid. 

 Bracts of the involucre in about 3 rows, obscurely striate. Bracts 

 of the receptacle scarious, lanceolate, concave and partially en- 

 folding the achenes. Flowers homogamous, yellow. Achenes 

 linear or turbinate, densely pubescent with long appressed hairs. 

 Pappus of about 15 plumose bristles, longer than the achene. 



1. B. juncea (Benth.) Greene, Bull. Calif. Acad. i. 180 

 (1885). Carphephorus junceus Benth., Bot. Sulph. 21 (1844). 



Plant 5 to 10 dm. high, the woody portion with a smooth gray 

 bark which becomes fibrous: herbage perfectly smooth in the 

 typical form : leaves opposite below, alternate above, very remote 

 or almost none, linear (rarely oblong), sometimes with a few 

 short lobes : involucre 4 to 8 mm. high ; outer bracts from oblong 

 and obtuse to lanceolate and acute ; inner bracts lanceolate, acute, 

 brown or reddish in color. 



Western San Bernardino Co. to Lower California, in the 

 Lower Sonoran Zone : Cedros, Natividad, and Magdalena islands, 

 off the coast of Lower California, and on the adjacent mainland, 

 various collectors ; canon of the Santa Ana River, Orange Co., 

 Hall, no. 6729 ; Point of Rocks, near Riverside, Hall, no. 3803 

 (peduncles minutely scabrous) ; Rubidoux Mt., Riverside, 8. 

 Grout (peduncles smooth) ; City Creek wash, near Highlands, 

 San Bernardino Co., Abrams, no. 2803. 



Var. aspera Greene, 1. c. B. aspera A. Nelson, Bot. Gaz. xxxvii. 

 273 (1904). Herbage scabrous with upturned white hairs, or 

 these deciduous from the stems leaving only the pustule-like 

 base. Near Foster, San Diego Co., Mrs. Brandegee; San Jacinto 

 River at west base of San Jacinto Mt., Hall, no. 2674 (western- 

 most station for the variety, leaves and stems very rough) ; com- 

 mon in sandy and stony places on the Colorado Desert, less 

 common on the Mohave Desert and in eastern Inyo Co., east to- 

 Nevada and Arizona. 



