CLASSIFICATION OF ANGIOSPERMS. 671 



FIG. 367. Greek Valerian (Polemonium reptans), a perennial, 2 to 4 dm. in height, having 

 alternate pinnate leaves and light blue flowers in corymbs. After Brown. 



ether, fixed and ethereal oils, but insoluble in water. COMFREY 

 or SYMPHYTUM is the root of Symphytum officinale and other 

 species of this genus naturalized from Europe in waste places in 

 the United States. It occurs on the market in small, purplish- 



