392 



EXPERIMENT STATION BULLETIN. 



Fig. 164. 



Fig. 165. 



Fig. 166. 



Fig. 164 (144). Field Dodder. Cuscuta arvensis Beyrich. A pale yellow, slender, leafless, par- 

 asitic vine, branching and spreading and more or less exhausting plants of red clover or alfalfa 

 and some other herbs. Flowers small, white, 1.5-2 mm. long. 



Fig. 165 (145). Flax Dodder. Cuscuta Epilinum, Weihe. A very slender, pale yellow or red, 

 leafless parasitic vine, branching and spreading and exhausting plants of flax; flowers small, yellowish. 

 Introduced from Europe and troubling flax. 



Fig. 166 (146). Lesser Clover Dodder. Thyme Dodder. Cuscuta Epithymum Murr. An 

 extremely slender, red, leafless, parasitic vine, branching freely and spreading and more or less ex- 

 hausting plants of red clover, thyme and a few other plants; flowers white or pinkish. Under favor- 

 able conditions living near the ground on low plants all winter. Introduced from Europe. 



