The various contrivances by which orchids are fertilised by insects Fertilisation of orchids Darwin, Charles, 1809-1882 creator text book Londoon J. Murray 1899 1899 2d ed. --
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ENG First ed. published in 1862 under title: On the various contrivances by which British and foreign orchids are fertilised by insects. Fertilization of plants by insects Orchids Reproduction QK926 .D24 1972 https://www.biodiversitylibrary.org/bibliography/27790 04003012 10.5962/bhl.title.27790 otu