USEFUL WILD PLANTS 



and a noticeable sweetness of taste. Of this species 

 even the flowers are eaten. Next to this in favor 

 is the "sour" or "salt clover " (T. obtusiflorum, 

 Hook.), with narrow, saw-toothed leaflets, whitish 

 blossoms with purple centers, and a clammy, acid- 

 ulous exudation that covers the leaves and flowers. 



140 



