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MANUAL OF POISONOUS PLANTS 



westward to Texas. E. maculata is common everywhere east of the Rockies. 

 The H. Cyparissias was recently sent to me from Logan Iowa, where it is 

 said to have killed lambs. 



Fig. 19e. Flowering Spurge (Euphorbia, corollata). (Lois Pammel). Fig. 19f. Three 

 Seeded Mercury (Acalypha virginica). Both plants poisonous. 



Acalypha virginica L. Three Seeded Mercury. 



Common in fields and open places from Canada and Minnesota to the Gulf. 

 The leaves of this plant turn purple in the Autumn. 



Jatropha stimulosa Michx. Spurge or Bull Nettle. 



This plant has stinging bristles and is common in sandy soil from Texas to 

 Missouri, Virginia and Florida. 



Tragia nepetaefolia Cav. Nettle Spurge. 



With stinging hairs, common in the south. Other species in the Rocky 

 Mountains and south also have stinging hairs. 



Buxaceae. 



Buxus sempervirens L Box. 



Cultivated in the eastern states for hedges. It is a well known poisonous 

 plant. 



Anacardiaceae. 



Rhus toxicodendron L. Poison Ivy. 



The leaves and stems are poisonous to many people. The form of derma- 

 titis produced, and the seriousness of the case varies according to the sus- 

 ceptibility of the individual. The plant is widely distributed in the state. 



Rhus vernix L. Sumac. 



