DOWNING, A. J. A Treatise on the Theory and Practice of Landscape Gardening Adapted to North America.. New York: George P. Putnam, 1849. 4th ed., enlarged and revised. 8vo. 532, 4 (advts.) pp., frontis., plates, illus. In orig. cloth. Covers a bit soiled. Contemporary owner name and note on the front free endpaper. Foxing throughout, at times heavy. A very good copy. Hitchcock 357. Originally issued in 1841, this was an influential and much reprinted and expanded work by an important landscape gardener and historian. All 19 plates (per Hitchcock) are present as well as numerous in-text engravings.