MINT FAMILY 197 



ing great numbers of small seeds from its heads 

 of clustered flowers, which appear to be espe- 

 cially adapted to receiving the visits of bumble- 

 bees. The worker bees may be found upon the 

 flowers at almost any time, going rapidly over a 

 head and then flying quickly to another not far 



SELF-HEAL OR HEAL-ALL 



away. The anthers in the upper part of the 

 corolla dust pollen upon the head of the visiting 

 bee and this pollen is carried from flower to 

 flower with surprising rapidity. In early times 

 this plant was largely used for curing diseases, 

 a fact to which its common name is due. 



