The American Materia Medica, Therapeutics and Pharmacognosy, 1919, was written by Finley Ellingwood, M.D. Echinacea. Echinacea angustifolia. Baptisia. Baptisia tinctoria. Ailanthus. Ailanthus glandulosa. Berberis. Berberis aquifolium. Dulcamara. Solanum dulcamara. Sarsaparilla. Smilax officinalis. Scrophularia. Scrophularia nodosa. Anacardium. Anacardium occidentale. Cascara Amarga. Book Navigation ‹ Group VI. Agents influencing the character of the blood. up Echinacea. Echinacea angustifolia. ›