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A grammar of botany : containing an explanation of the system of Linnaeus, and the terms of botany, with botanical exercises, for the use of schools and students : illustrated by forty-five engravings : multum in parvo / by Robert John Thornton, M.D. Public Domain Mark. Source: Wellcome Collection.
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This material has been provided by the National Library of Medicine (U.S.), through the Medical Heritage Library. The original may be consulted at the National Library of Medicine (U.S.)