Danish botanist (1841-1924) who founded the scientific discipline of ecology, writing the first textbook on plant ecology in 1895. ALS in French, signed "Eug. Warming," three pages on two adjoining sheets, 4.5 x 7, February 7, 1888. Untranslated handwritten letter to English botanist and taxonomist Maxwell T. Masters, with reference to the Linnean Society. In fine condition.
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