( 85 ) 
8. Solidago L. Goxpzw Ron. 
Superflua. Head o-flowered. Ray-flowers 
ligulate, few, distant from each other. Akenes 
terete, oo-costate; pappus of o, capillary 
bristles.—2¢. Autumn. Suffrutescent plants, 
with long rod-like branches. Flowers yellow. 
1. S. occmentatis Nutt. Stem branching. 
24. Moist places. Summer, 
2. §. Cauirornica. Nutt. Stem single; the 
whole plant pubescent.—2/. Moist sand. Sum- 
mer. 
3. §. SEMPERVIRENS L. Stem simple; the 
plant completely glabrous.—2¢. Salt marshes 
near San Francisco. Autumn. 
All Solidago species seem to be possessed of 
diuretic powers. S. Virgaurea, a European 
species, formerly officinal, is still in use asa 
domestic remedy. 
9, Corethrogyne DC. 
Frustranea. Head o-flowered; ray-flowers 
, 1-seriate; scales of the involucre imbricate; 
style appendages of disc-flowers with tuft-like 
bristles; pappus of simple, unequal rigid bris- 
tles.—2¢. Ray-flowers blue, purple; habit of 
aster. 
1. C. opovata Benth. Contra Costa range. 
Marin County. Summer. 
