Photo by] 



\.Z. Step. 



FIG. 505. COMFREY (Symphytum officinale). 



A coarse, bristly plant that grows chiefly by watersides . The pale yellow or blue purple flowers are in scorpioid cymes i . 



The anthers shed their pollen before the stigma is mature. Nectar is secreted by the fleshy base of the ovary, which 



induces the visits of humble-bees. EUROPE and WESTERN SIBERIA. 



407 



