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The bark of Croton Cascarilla of the Bahamas, Cortex Thuris, Cascarilla, (Ph. U. S.), (F.) Ecorce eleutherienne, has a slightly aromatic odour, and bitterish aromatic taste. The smoke has the odour of musk. The active parts are an essential oil and bitter extractive. They are completely extracted by proof spirit. It is tonic and stomachic

A species found in the West Indies. Though formerly a source of the cascarilla of commerce, it yields none now. Its bark is an aromatic bitter.