1907] Hall. Compositae of Southern California. 207 



Steins branching from near the base, becoming diffuse, about 

 1 dm. high, often naked above: herbage glabrous, slightly suc- 

 culent : leaves parted into narrowly linear remote lobes : invo- 

 lucre greenish with purple markings : ray-flowers 8 to 11, the 

 ligule of the corolla 4 to 6 mm. long, or the alternate pistils des- 

 titute of corolla ; style-branches of ray-flowers broad : disk flowers 

 20 to 45, shorter than the involucre, their styles undivided and 

 capitate at summit: achenes obscurely 8 to 10-ribbed. 



In moist places; not so common in Southern California as in 

 the middle and northern parts of the state : Cuyamaca, San Diego 

 Co., Orcutt, Brandegee; Wilmington, Los Angeles Co., Lyon, ace. 

 to Parish, also Barber, no. 294; Gardena, McClatchie, ace. to 

 Parish. 



79. NICOLLETIA Gray. 



Perennial very glabrous and somewhat succulent erect herbs 

 of the Desert Area. Leaves narrow, pinnately parted into short 

 linear pungent lobes. Involucre oblong or cylindraceous, either 

 with or without 2 or 3 short outer bracts ; its principal bracts 8 

 to 12, broadly oblong, acute, dotted with oil-glands and often 

 colored. Style-appendages long, filiform. Achenes attenuate at 

 base, truncate at apex, rusty-pubescent. Pappus of two sorts; 

 the outer of numerous capillary bristles ; the inner of 5 lanceolate 

 paleae, the costae of which are continued into scabrous awns. 



1. N. occidentalis Gray, Kept. Fremont. 2nd Exped. 816 

 (1845). 



Stout, erect, 2 to 6 dm. high : herbage ill-scented : heads nearly 

 sessile among the upper leaves : involucre about 15 mm. long and 

 two-thirds as broad: rays normally 8, lurid purple striped with 

 pink, 5 to 7 mm. long. 



Lower Sonoran Zone from the northern borders of the Colo- 

 rado Desert north: first collected by Fremont, ace. to Gray; 

 Twenty-nine Palms, Riverside Co., Brandegee; Mohave Desert, 

 about 1200 m. alt., Parish, no. 3712 ; Mohave River near Hesperia, 

 Palmer, no. 195, Parish, no. 2403 ; Daggett, Hall, no. 6149 ; plains 

 near Indian Wells, Kern Co., Purpus, no. 3042, Hall & Chandler. 

 no. 7365. 



