236 



WEED FLORA OF IOWA 



Figure 136 Figure 136A 



Fig. 136. Indian Hemp {Apocynum cannabinum). 



Fig. 136-A. Apocynum cannabinum hypericifolium. A low growing variety of 

 the above, but with leaves broader at base and more abruptly pointed 

 at apex. 



(Schuyler Mathews in Mich. Agr. Exp. Sta. Bull.) 



