Transpiration Current in Horsetails


THE xylem system of Equisetum appears so inadequate for the vigorous transpiration maintained, which may be twice as great as in the sunflower1, that the suggestion has been made that water travels in the canal-system of the stem2.


  1. 1

    Dosdall, Plant World, 22, 1, 29; 1919.

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  2. 2

    Westermaier, Sitzber. Akad. Wissenschften, 1105; 1884.

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MCLEAN, R. Transpiration Current in Horsetails. Nature 134, 66 (1934).

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