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Ceanothus

1911 Encyclopedia Britannica

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in botany, a genus of the natural order Rhamnaceae, containing about forty species of shrubs or small trees, natives of North America. They are very attractive from their dense panicles of white or blue flowers, and several species are known as garden plants. The leaves of one of these, C. americanus, New Jersey tea, or red-root, are used instead of the true tea; the root, which contains a red colouring matter, has long been employed by the Indians as a febrifuge.