Letter | Published:

Plant Distribution

Nature volume 127, page 484 (28 March 1931) | Download Citation



IN the course of work on the geography of the Angiosperms, I have been impressed by the absence of any satisfactory theoretical explanation of the more general features in the distribution of these plants. It will, I think, be agreed that the present distribution of the Angiosperms has been brought about by the intermingling, at different times and in different degrees, of a number of floras which have developed at different times and in different parts of the world. This being so, any general theoretical explanation must provide not only a means of actual plant-movement, and a motive force for it, but also a directional control of movement and a discriminating or sifting factor.

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  1. Department of Botany, University College, Hull, Feb. 19.

    • R. D'O. GOOD


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