The North American sylva; or, A description of the forest trees of the United States, Canada, and Nova Scotia, considered particularly with respect to their use in the arts, and their introduction into commerce; to which is added a description of the most useful of the European trees. Illustrated by 156 coloured engravings. Translated from the French of F. Andrew Michaux ... With three additional volumes, containing all the forest trees discovered in the Rocky Mountains, the Territory of Oregon, down to the shores of the Pacific and into the confines of California, as well as in various parts of the United States. Illustrated by 122 finely coloured plates. 6 vols.