DESCRIPTIVE MANUAL 



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Fig. 125-B. Poison Ivy (Rhus toxicodendron). a, spray showing rootlets; 



b, fruit. 

 (After Chesnut, U. S. Dept. Agr.) 



Indian Mallow or Velvet-leaf, Butter-print (Abutilon theophrasti 



Medic.). 



Description. — A usually tall annual from 2-4 ft. high ; plant with 

 strong odor; leaves velvety, roundish heart-shaped, taper-pointed; 

 peduncles shorter than the petioles ; corolla yellowish ; carpels 12-15, 

 hairy-beaked seeds rough, rather large and blackish. 



Distribution, — Common in waste places, corn fields, vacant lots, 

 barnyards, etc. Common throughout eastern North America, 

 naturalized from tropical regions, probably India. 



Extermination. — This plant propagates only by its seed, which 

 retains its vitality for some length of time, having been known to 

 germinate after a period of 60 years. The young plants are easily 

 exterminated. The plant should be pulled up before it begins to 



