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Published online by Cambridge University Press: 01 May 2009
It is well known that the existing flora of Western Caucasia is of great interest from the point of view of the origin of the floras of Europe and Asia, as in it have survived to this day numerous types of plants which were widely spread over the Northern Hemisphere during Tertiary times. The Palæontological history of the Tertiary Flora of the Caucasus is very meagre. The Pliocene Flora of the Caucasus is discussed by me in my work on the presence of the leaves of the recent Caucasus beech-tree (Fagus orientalis Lipsky) and some other species of deciduous trees and shrubs in the Pliocene beds, the so-called “Aktschagyl Series”, of the Elisapethpol province. It is worthy of remark that the wood was found in seams interstratified with beds rich in well-preserved Pliocene shells, which could be determined with certainty. It was proved that in the southern Caucasus there existed in Pliocene times the same species of beech as at present.
page 294 note 1 Professor N. Kuznetzoff mentions the following sources in his work on the “Principles of the Division of the Caucasus into Phytogeographical Provinces” (chapter on Fossil Moras of the Caucasus): Mém. Acad. Imp. Sci. St. Pétersburg, Sér. III, Phys. Math., cl., vol. xxiv, 20, 1, 1919 (Russian):—Google Scholar
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page 296 note 1 Palibin, J., Verhandl. K. Russ. Min. Ges., Bd. xliii, Lief, i, 1906.Google Scholar
page 297 note 1 Marion states that Chamaerops humilis existed in middle Pliocene times near Marseilles: Saporta, L'Origine paléontologique des arbres, Paris, 1888, p. 120.Google Scholar
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page 298 note 2 Laurent, ibid., t. xii, 1908, p. 12.
page 298 note 3 Laurent, , Catalog de la Flora Pliocena de los Alrededores de Barcelona (J. Almeda), Madrid, 1897.Google Scholar