[? A native S. American name, adopted as the botanical specific name.] In Calisaya bark: the most valuable sort of Peruvian Bark, obtained from Cinchona calisaya.

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1837.  Penny Cycl., VII. 173/2. The Carthagena yellow barks both contain quinia, but in less quantity than the Calisaya bark.

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1875.  H. C. Wood, Therap. (1879), 60. Calisaya or Royal Yellow Bark.

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  Hence Calisayine, an alkaline substance from calisaya bark, used in making a kind of bitters.

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