MICHIGAN WEEDS. 



381 



Fig. 149 (132). 



Prickly Sida. Sida spinosa L. An erect, softly pubescent annual. 30-60 cm. high: 

 leaves mostly ovate, serrate with long stems: flowers small yellow: pistils five-jointed 

 together forming an egg-shaped fruit: each splitting at the top into two beaks. Ap- 

 parently a native in some portion of the United States. Thriving well southward. 



