Barton (William): A Flora of North America, Philadelphia, H.C.Carey & I.Lea, 1821-28, 3 vols., 4to, 106 uncoloured engraved plates (some browning and offsetting), contemporary half morocco (boards detached, worn) [cf. Nissen BBI 84]; Vegetable Materia Medica of the United States, Philadelphia, H.C.Carey and I.Lea [and M.Carey and Son] 1825-18, 2 vols, 4to, vol.I second edition, vol.II first edition, 50 uncoloured engraved plates, contemporary half morocco (boards detached, worn). [cf. Nissen BBI 85]; the lot sold not subject to return. (5)