MICHIGAN WEEDS. 



395 



Fig. 171 (151). 



Beggar's Lice. Lappula Virginiana (L.) 

 Greene. A pubescent, branching biennial, 

 60-120 cm. high; lower leaves with petioles, 

 blades, round-ovate; upper leaves ovate-oblong, 

 acuminate at both ends; racemes very slender, 

 fruit ovoid. A native of rich woods. 



Fig. 172 (152). 



Bed Boot. Wheat Thief. Corn Grom- 

 well. Lifhospermum arvense L. A minutely 

 roughened and hoary biennial, stems spreading, 

 20-70 cm. high; leaves narrow; flowers small, 

 white, sessile. Especially a wheat weed, as it 

 needs to grow the same as winter wheat in the 

 fall, maturing the next summer. The size of 

 the nutlets makes it somewhat difficult to 

 screen from wheat. Introduced from Europe. 



