236 



WEED FLORA OF IOWA 



Figure 136 Figure 136A 



Fig. 136. Indian Hemp (.Apocynum cannaiinum) . 



Fig. 136-A.'' Apocyniim cannabinum hppericifoUum. A low growing variety of 

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

 at' apex. 



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



