Infusion of Calum′ba

Syn. Infusum calumbæ (B. P.) L. Prep. 1. (B. P.) Calumba, in coarse powder, 1 oz.; cold distilled water, 2 oz.; macerate one hour, and strain. Infusion of calumba is a good tonic and stomachic bitter.— Dose , 1 to 3 fl. oz.; in dyspepsia, ., and for restraining vomiting and diarrhœa during pregnancy or dentition. It is preferably joined with small doses of the carbonates of soda, pota a, ammonia, or magnesia, when there is acidity; or with chalybeates, when there is palene and a low pulse; with all of which substances it may be mixed without suffering any sensible alteration. 2. (Concentrated; Infusum calumbæ con centra tum , L.)— a. Calumba, in coarse powder, 5 1 ⁄ 2 oz.; cold distilled water, 12 fl. oz.; digest with frequent agitation, for 3 or 4 hours, then expre the liquor, and repeat the digestion with 5 1 ⁄ 2 fl. oz. more of tepid water; after another hour, expre this portion also, using as much force as po ible; next mix the liquors, heat them quickly to the boiling-point in a shallow ve el, and pour the infusion, whilst still hot, into a strong bottle, and when it has cooled a little add of rectified spirit, 4 fl. oz., secure down the stopper or cork, and agitate well for a few minutes; the bottle must now be set aside for a week, after which the clear portion is to be decanted from the dregs. Very superior. b. (Wholesale.) From calumba (reduced to coarse powder), 5 1 ⁄ 4 lbs.; rectified spirit, 5 pints; (diluted with) water, 12 pints; digest for a week, or precede by displacement. Should there be any difficulty in obtaining it free from cloudine , the whites of 4 or 5 eggs, previously mixed with about a 1 ⁄ 4 pint of cold water, may be added to the infusion, which, after being well agitated for about ten minutes, must be allowed to repose for 7 or 8 days, and then decanted from the dregs. Should it not be perfectly transparent, it may be filtered through blotting paper.— Product , 20 lbs. superior quality, and has acquired an extensive sale in the wholesale trade. 1 part added to 5 1 ⁄ 4 parts of water makes a perfectly transparent liquid, po e ing exactly similar virtues to the INFUSION OF CALUMBA —B. P.