China (Cinchona) Officinalis
By Constantine Hering — The Guiding Symptoms of our Materia Medica
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Cinchona Calisaya, also called Cinchona Regia or Cinchona Flava, Royal or genuine yellow bark.
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Cinchona de Huanuco, grey or silver Cinchona ; and,
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Cinchona Rubra, or Red Cinchona.