THE roots of the North African plant Anacyclus pyrethrum DC. (pellitory) have been used in medicine since the time of Dioscorides, and mention of the drug is made in the B.P.C. 1934 (Pyrethri radix).

This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more information, visit the Smithsonian's ...