Feverfew

  • 131pellitory — /ˈpɛlətri/ (say peluhtree), / təri/ (say tuhree) noun (plural pellitories) 1. any of several species of herbs belonging to the genus Parietaria, as pellitory of the wall, P. judaica, a branched perennial often found in crevices of rocks and… …

  • 132pyrethrum — /paɪˈriθrəm / (say puy reethruhm) noun 1. a name given by horticulturalists to certain species of the genus Chrysanthemum, especially C. coccineum and its many cultivated varieties. 2. an insecticide prepared from the dried heads of C. coccineum …