Abstract
THE ABIETINEÆ THE most recent classification of the Abietineæ, and the one that will probably be chiefly adhered to, at least in England, is published in the “Genera Plantarum” of Bentham and Hooker, 1880. In it Pinus, Cedrus, Picea, Tsuga, Pseudotsnga, Abies, and Larix, are recognised as separate genera. The tribe comprises the cedars, larches, firs, pines, and contains some 150 species, and is almost exclusively confined to northern and north temperate regions. The genera are all cone-bearing, and with few exceptions produce winged samaroid seeds. No definite remains are known of earlier age than Jurassic, but with the Wealden and Cretaceous they become plentiful, and already in the Neocomian and Gault the ancestors of several existing genera were completely differentiated.
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GARDNER, J. A Chapter in the History of Coniferæ . Nature 26, 106–107 (1882). https://doi.org/10.1038/026106a0
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DOI: https://doi.org/10.1038/026106a0