Quassia

(kwosh'-e-ah). I. The wood of Picrama excels a, native to the W. Indies and other tropical regions. It is a bitter stomachic tonic. Dose gr. Q.-cup, a cup made of qua ia wood, called also bitter-cup, from which water may be drunk, the bitter principles becoming di olved in the water. Q., Ext. Its properties are due to a bitter principle, qua in, Dose gr. j-iij. Q., Fid. Ext. Dose Q., Infus., qua ia chips qj, water 3 x. Dose Q., Tinct., 10 per cent, in strength. Dose 2. Originally, as still in France and Germany, the wood of Qua ia amara was the official qua ia; the therapeutic properties of this tree and its wood are much the same as those of the ordinary qua ia of commerce.