The American Materia Medica, Therapeutics and Pharmacognosy, 1919, was written by Finley Ellingwood, M.D. Dioscorea. Dioscorea villosa. Colocynthis. Citrullus colocynthis. Zingiber. Zingiber officinale. Mentha. Mentha piperita. Monarda. Monarda punctata. Book Navigation ‹ Saccharinum. up Dioscorea. Dioscorea villosa. ›