. Botanic contributions relating to the flora of western North America. Plants -- United States; Plants -- West (U. S. ). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Engelmann, George, 1809-1884; Gray, Asa, 1810-1888; Frmont, John Charles, 1813-1890; Torrey, John, 1796-1873. [v. p.

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Keywords: ., bookauthorgrayasa18101888, bookcentury1800, bookdecade1840, bookp