The American Materia Medica, Therapeutics and Pharmacognosy, 1919, was written by Finley Ellingwood, M.D. Euphorbia. Euphorbia corollata. Sinapis. Sinapis nigra, Sinapis alba. Copper Sulphate. Zinc Sulphate. Book Navigation ‹ Arsenic. Acidum Arsenosum. up Euphorbia. Euphorbia corollata. ›