!-"."J Helenieae 



herbage tloccose-woolly when young; leaves thickish, simply pin- 

 nately-parted into few narrowly linear lobes, or the uppermost 

 entire: heads about 12 mm. high; the outer flowers only moder- 

 ately enlarged, not surpassing the disk ; involucral bracts nearly 

 linear: pappus of 4 equal long paleee. 



Comnu'ii .in plains and foothills, especially in sandy soil. 



'2. C. glabriuscula DC. Taller and more caulescent, branch- 

 ing above, 2-3 dm. high, herbage thinly lloccose, becoming gla- 

 brate; peduncles "long, stout; beads L5-20 mm. high; involucral 

 bracts glabrate, broader, thickish, obtuse; marginal flowers 

 ample, much exceeding the others; pappus of 4 equal narrowly 

 oblong acutish palete. 



Common on sandy soil or rocky ground in the lower hills and along the 

 coast. 



** Corollas whitish or at least not yellow. 



3. C. santolinoides ( ireene. Subacaulescent perennial ; leaves 

 all crowded on short tufted shoot- from a Bligbtly ligneous crown, 

 white-tomentose, linear in outline with broad rachis, thickly beset 

 with small oblong obtusely few-lobed crispate divisions ; peduncles 

 scapiform, LO-15 cm. long, simple or once or twice forked, glan- 

 dular and viscid; heads 12 mm. high, rather narrow; outer 

 flowers scarcely or not at all enlarged; pappus of 8-10 linear- 

 ligulate palese a little shorter than the flowers. 



In the higher altitudes of the San Gabriel and San Bernardino Mount a ins, 

 in open pine woods. June-August . 



4. C. artemisiaefolia Gray. Stems paniculately branched or 

 nearly simple, 3-8 dm. high, lurfuraceous-pubescent, somewhat 

 viscid, above glandular-hirsute; leaves 2-3-pinnately divided or 



parted Into Bhort linear or oblong lobes; beads loosely cymose- 

 paniculate, about L2-15 mm. high; involucral bracts lanceolate, 



acute; (lowers all alike; acbenes clavate, flattened; pappus a 

 small minutely annular disk. 



Common in the chaparral belt of all our mountains. April-June. 



54. HULSEA T. & G. 



Viscid or floccose-woolly leafy herbs with alternate 

 entire toothed or pinnatifid leaves, sessile or nearly so. 



