(84) 



5. Chrysopsis Nutt. Golden Aster. 



Superflua. ^qnalis. Head Go-flowered; ray- 

 flowers ligulate. Akenes compressed; pappus 

 2-seriate; outer row short paleaceous scales, 

 inner row long scabrous bristles. — U- Flowers 

 yellow. 



1. C. SESSiLEFLORA Nutt. Capitula radiate . 

 Tamalpais. Summer. 



2. C. Oregana Gray. Capitula not rad- 

 iate. — Livermore. Autumn. 



6. Aplopappus Cass. 



Superflua. Squalls. Head oo-flowered. 

 Eay-flowers ligulate. Bristles of the pappus 

 cx>. Flowers yellow. 



1. A. LiNEARiFOLius DC Kays more than 

 9. — ^ . Contra Costa mountains. Summer. 



2. A. ERicoiDES Hook. Ray-flowers less 

 than 10. — 1? . Sand hills. San Francisco. Sum- 

 mer. 



7. BigeloviaDC. 



Squalls. Superflua by a single ray-flower. 

 Head few-flowered. Receptacle narrow. Pap- 

 pus 1-seriate; bristles oo. Flowers yellow. 



1. B. ARBORESCENS Gray. Scales of the 

 involucre irregularly imbricate and not in dis- 

 tinct ranks. — ^ . Tamalpais. Summer. 



