Popular name of different weeds having conspicuously jointed stems. a. In U.S., Polygonum articulatum. b. Locally in Eng., various species of Horsetail (Equisetum); also the common Mare’s-tail (Hippuris vulgaris).

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  a.  1866.  Treas. Bot.

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1884.  Miller, Plant-n.

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  b.  1879.  Britten & Holland, Plant-n.

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