1. The farmer's materia medica: containing a list of the most useful medicinal vegetables indigenous to the United States, with their qualities : with an appendix, containing some observations on fevers, and symptoms of various diseases, together with many other remarks and observations Author(s): Merwin, John C. Publication: Watertown [N.Y.] : Printed by W. Woodward, 1825 Subject(s): PhytotherapyMateria MedicaPlants, MedicinalUnited States