Tanacetum cinerariifolium Sch.Blp. Asteraceae Dalmation chrysanthemum, Pyrethrum, Pellitory, Tansy. Distribution: Balkans. Source of the insecticides called pyrethrins. The Physicians of Myddfai in the 13th century used it for toothache. Gerard called it Pyrethrum officinare, Pellitorie of Spain but mentions no insecticidal use, mostly for 'palsies', agues, epilepsy, headaches, to induce salivation, and applied to the skin, to induce sweating. He advised surgeons to use it to make a cream against the Morbum Neopolitanum [syphilis]. However he also describes Tanacetum or Tansy quite separately.. Quincy (1718) gave the same uses