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Two pages from Carl Linnaeus’s personal interleafed copy of his Genera plantarum (1737). On the right are the printed descriptions of the genera Urtica and Morus, on the lift Linnaeus’s handwritten annotations, listing species within each of these genera. C. Linnaeus, Genera plantarum (Leiden 1737), Library of the Linnean Society (London), Linnaean Collections, Call no. BL 49A, p. 268. Courtesy Linnean Society.
