The American Materia Medica, Therapeutics and Pharmacognosy, 1919, was written by Finley Ellingwood, M.D. Juniper. Juniperus communis. Kava-Kava. Piper methysticum. Hydrangea. Hydrangea arborescens. Pichi. Fabiana imbricata. Xanthium. Xanthium spinosum. Acidum Benzoicum. Piperazine. Hexamethylenamine. Book Navigation ‹ Equisetum. Equisetum hyemale. up Juniper. Juniperus communis. ›