364 



EXPERIMENT STATION BULLETIN. 



Fig. 122. 



Rabbit-foot Clover. Trifolium arvensc L. A slender, erect, silky, hairy annual, 

 15-25 cm. high; leaflets three, sessile, narrowed at the base; calyx silky; corolla whitish. 

 Not common nor troublesome. Sandy, barren soil. Introduced from Europe. 



If eaten by horses, the flower heads collect intc balls, closing the inlestines. 



