(85) 



8. SolidagO L- Golden Rod. 



Superflua. Head oo-flowered. Kay-flowers 

 ligulate, few, distant from each other. Akenes 

 terete, oo-costate; pappus of oo, caj^illary 

 bristles. — It. Autumn. Suffrutescent plants, 

 with long rod-like branches. Flowers yellow. 



1. S. occiDENTALis Nutt. Stem branching. 

 21' Moist places. Summer. 



2. S. Californica. Nutt. Stem single; the 

 whole plant pubescent. — 71. Moist sand. Sum- 

 mer. 



3. S. SEMPERVIRENS L. Stem simple; the 

 plant completely glabrous. — U. Salt marshes 

 near San Francisco. Autumn. 



xA.ll SolidagO species seem to be possessed of 

 diuretic powers. S. Virgaurea, a European 

 species, formerly officinal, is still in use as a 

 domestic remedy. 



9. Corethrogyne DC. 



Frustranea. Head oo-flowered; ray-flowers 

 00, 1 -seriate; scales of the involucre imbricate; 

 style appendages of disc-flowers with tuft-like 

 bristles; pappus of simple, unequal rigid bris- 

 tles. — 71. Ray-flowers blue, purple; habit of 

 aster. 



1. C. OBOVATA Bentli. Contra Costa range. 

 Marin County. Summer. 



