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By: Ward, N. B. (Nathaniel Bagshaw), - Gray, Asa,Edition:Publication info: [1840-1868]Volume: Sender Ward, Nathaniel Bagshaw Ward (1840-1868)Series:Holding Institution: Harvard University Botany LibrariesSubjects: (Nathaniel Bagshaw), 1791-1868 1810-1888 Botanists Correspondence Gray, Asa, Ward, N. BBHL Collections: