Henkel, Alice, 1869-1916. American medicinal leaves and herbs. By Alice Henkel. - Washington, Govt. print. off., 1911. - 56 p. ill. 23 cm. - U.S. Dept. of Agriculture. Bureau of plant industry. Bulletin no. 219 . LCCN: agr11002218 Subjects--Topical Terms: Botany, Medical. LC Class. No.: QK1 / .U45