226 



WEED FLORA OP IOWA 

 Caraway (Carum carvi L.). 



Description. — A smooth, erect, slender herb l-2y 2 feet high with 

 fusiform roots; leaves pinnate with filiform divisions; flowers in 

 umbels, white ; calyx teeth small ; fruit ovate, or oblong with fili- 

 form ribs. 



Distribution. — Common in eastern North America, the Rocky 

 mountains, Utah and scattered in places in Iowa. 



Extermination. — Easily exterminated; cut off the plants below 

 the surface of the ground. 



Fig. 130. Caraway {Carum carvi). Commonly escaped from gardens. Flowers 



white. 

 (Photographed by Quade.) 



