Nat. ord., Cinchonaceae.

An undetermined species of Chiococca, brought originally from Brazil.

Characters. - Cylindrical pieces, varying in size from the thickness of a straw to that of the little finger, somewhat bent or contorted, slightly wrinkled longitudinally, with occasional small asperities; internally ligneous; externally covered with a thin, brittle, reddish-brown bark, having a light brown or brownish ash-coloured epidermis. The cortical portion has a resinous character, and a bitter disagreeable taste, somewhat acrid and astringent; the ligneous part is quite tasteless.

A proving of this is given in Brit. Journ. of Horn., vol. ii., Appendix.

Part employed. - The root.

Preparation. - Tincture.