SEED AND SEED SELECTION 43 



because alfalfa seed infested with seeds of Cuscuta epi- 

 thymum can be made practically free from them with 

 comparatively little loss and expense. Not so, however, 

 with seed containing Cuscuta arvensis, which should not 

 be purchased at any price. Dodder seeds can scarcely be 

 regarded as an adulterant, yet as an impurity they are 

 very common and most objectionable." 



