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By: Tracy, S. M. (Samuel Mills),Edition:Publication info:Volume: Tracy to Engelmann, 1880Series:Holding Institution: Missouri Botanical Garden, Peter H. Raven LibrarySubjects: (Samuel Mills), 1809-1884 1847-1920 Correspondence Engelmann, George, Judging Letters Plants Tracy, S. MBHL Collections: Engelmann Papers, Missouri Botanical Garden