The American wintergreen, Gaultheria procumbens: see quot.; also called Canada tea or mountain tea. Also, the fruit of this.

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1858.  Hogg, Veg. Kingd., cxv. 482. The leaves [of Gaultheria procumbens] … when … dried … make an excellent substitute for tea,… and the plant is on that account called Tea-berry and Mountain Tea.

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1884.  Cassell’s Fam. Mag., March, 239/1. Here [in Houston, Texas] … the tea-berry tree, and huge orange trees … made me forget for a moment that I was expecting something very different.

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1895.  Outing (U.S.), XXVII. 18/1. Tiny white capillaire tea-berries, with a flavor like some rare perfume.

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