Aster Tribe 397 



L'. S. Californica Nutt. Roughish with an almost cinereous 

 short pubescence, 6-9 dm. high; leaves larger and more numer- 

 ous below, passing from obovate to oblong-lanceolate, and from 

 obtuse to acute, the lower and broader more or less serrate; 

 panicle virgate, rather loose, the racemiform clusters secund; 

 heads (i mm. high ; bracts lanceolate-oblong or oblong-linear, 

 obtusish; rays 7-12; achenes pubescent. 



Frequent in open places in the lower portions of the chaparral belt in the 

 San < labriel and Santa Ana Ranges. June-October. 



9. EUTHAMIA Cass. 



Erect glabrous perennial very leafy more or less dis- 

 tinctly corymbose branched herbs, with narrow entire 

 pellucid-punctate leaves, and small heads clustered at 

 the ends of the branches. Involucral bracts firm, im- 

 bricated, glutinous. Ray-flowers about twice as many 

 as disk-flowers, all permanently yellow. Achenes short, 

 turbinate, villbus-pubescent. 



1. E. occidentalis Nutt. Somewhat paniculately branching, 

 1-2 m.high; leaves lanceolate-linear, obscurely 3-nerved ; involu- 

 cral bracts linear-lanceolate, acute ; rays 10-30 ; disk-flowers 8-14, 

 their style-tips obtuse. 



Frequent in low ground and along streams in our valleys and foothills. 

 August-November. 



10. CHEYSOMA Nutt. 



Low evergreen shrubs with mostly narrow Bubterete 

 punctate leaves and terminal cymose or corymbose 

 clusters of small heads. Involucre turbinate, its bracts 

 mostly lanceolate, very regularly imbricated, margins 

 subscarious. Flowers permanently yellow. Disk-flowers 

 slender with subcampanulate throat and deeply clefl 

 limb. Style-appendages filiform, acuminate, hirsutulous. 

 Achenes more or less distinctly prismatic. Pappus of 

 scabrous slender bristles, dull-white or yellowish, becom- 

 ing reddish. 



