EXPERIMENT STATION BULLETINS. 



DOGBANE PAMILY. APOCYNACEAE. 



This family of over 1,000 species mostly found in tropical regions contains herbs, shrubs and trees; 

 ours all herbs, usually abounding in an acrid, milky juice. Botanically nearly allied to the common 

 milk-weeds. 



Fig. 158. 



Indian Hemp. Apocynum cannabinum L. 

 Usually smooth, erect, branching, perennial, 

 20-240 cm. high, coming from vigorous widely 

 extending rootstalks; bark very tough: flowers 

 smajl, white; leaves narrow; pods in pairs, 

 terete, about 10 cm. long. A native growing 

 on damp, rich soil, on thin soil smaller and 

 less erwt. 



Rg. 159. 



Apocynum cannabinum hypericifoUum (Ait.) 

 A. Gray. Not so tall, leaves Droad at the base, 

 abruptly pointed at the apex. 



