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