What is (a) The coloring matter of Chinese yellow pods, the fruit of Gardenia grandiflora. Watts. (b) A red powder (called also polychroite), which is made from the saffron (Crocus sativus). See Polychroite called?

crocin — (a) The coloring matter of Chinese yellow pods, the fruit of Gardenia grandiflora. Watts. (b) A red powder (called also polychroite), which is made from the saffron (Crocus sativus). See Polychroite. (Webster's 1913.)

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