BONESET OR WHITE SNAKEROOT 



73 



Investigations that seem to contradict this conclusion are also 

 cited, so that the connection of this plant to these diseases seems 

 doubtful. 



Fig. 38. — Two species of heartsease or smartweed. 



The boneset of commerce is made irom E. perfoliatum, which 

 also is most often spoken of as a source of honey. The drug is 

 well and widely known as a remedy. 



