BARTON, William P.C. A Flora of North America, Philadelphia: M. Carey, 1821 [-1822], 2 volumes only (of three), 4° (278 x 220mm.), FIRST EDITION, 70 coloured engraved plates (some dampstaining partly affecting plates, leaves lightly browned), contemporary half roan and marbled boards (worn). [Nissen BBI 84] (2)