392 ASTERACEAE. 



48. BAERIA F. & M. 



Low mostly slender annuals, commonly pubescent, 

 with opposite linear entire or laciniate-pinnatifid leaves, 

 and middle-sized heads of yellow flowers on slender 

 peduncles. Involucre campanulate, its bracts usually 

 in 1 series, distinct, usually carinate below. Ray-flowers 

 few or many, often short. Achenes clavate, linear or 

 linear-cuneiform. Pappus of few awns or palese or both 

 or rarely none. 



Leaves entire, not glandular-pubescent. 



Pappus none. 1. B. chrysostoma. 



Pappus present. 2. B. gracilis. 



Leaves more or less dissected, more or less 

 glandular-pubescent. 



Pappus paleae, at least some of them, pro- 

 duced into an awn almost equaling the disk- 

 flowers. 3. B. affinis. 



Pappus paleae truncate or erose at summit, 



not produced into awns. 4. B. mutica. 



1. B. chrysostoma F. & M. Stems slender, freely branching, 

 2 dm. high or less, hirsute-pubescent; leaves narrowly linear, entire; 

 heads 6-8 mm, high; bracts of the involucre 7-12; rays 7-12, 6-8 

 mm. long; achenes clavate-linear, slightly contracted at the summit, 

 glabrous; pappus none. 



Rather common in open places in our coast valleys and foothills. 

 Plaza del Rey; Santa Monica Mountains. April-May. 



2. B. gracilis (DC.) Gray. Closely resembling the last; stems 

 slender, usually about 1 dm. high; leaves narrowly linear; bracts 

 and rays 10-12 or sometimes less; rays 4-6 mm. long; achenes linear- 

 cuneate, broad at the summit, commonly canescent; pappus of 

 white, lanceolate or ovate, slender, awned palese or the palese some- 

 times almost obsolete. 



Common on dry hillsides throughout our range. April-May. 



3. B. afRnis (Nutt.) Gray. Erect, sparingly branched, 10-15 cm. 

 high, minutely pubescent, obscurely or not at all glandular; leaves 

 with filiform divisions; rays 6-8, oblong, short; involucral bracts 

 ovate-oval; pappus of 8-10 oblong or lanceolate paleae with laciniate- 

 setulose margins, fully equaling the corolla-tube, some or most of 

 them produced into an awn almost equaling the disk-flowers, or in 

 the rays blunt and awnless. 



Occasional in dry sandy places in interior valleys. Chatsworth 

 Park; Verdugo Hills; Arroyo Seco. 



4. B. mutica (Nutt.) Gray. Stems slender, erect, branching, 

 1-2 dm. high, glandular-pubescent; rays 10-15, elongated-oblong; 

 pappus of 6-8 quadrate-oblong paleae with obtuse or truncate erose 

 summits. 



In sandy soil along the coast near Plaza del Rey common about 

 San Diego. April-May. 



