2. (Hunter Lane.) As the last, but reducing the gall to dryness, and then powdering it. It must be preserved in well-corked bottles.—Dose, 3 to 12 gr.
Extract of Parei′ra. Syn. Extractum pareiræ (B. P.), L. Prep. 1. (B. P.) Pareira root in coarse powder, 1; boiling distilled water, 10, or a sufficiency; digest the pareira with 11⁄2 of water for twenty-four hours, then pack in a percolator, and water till by slow percolation 10 has passed through; evaporate in a water bath to a pilular consistence.—Dose, 13 to 20 gr.
2. (Ph. L.) From the root of velvet leaf or pareira brava (Cissampelos Pareira), as EXTRACT OF HOPS—Ph. L.
3. (P. E.) As EXTRACT OF LIQUORICE—Ph. E. The P. Cod. formula is similar. Alterative, tonic, and diuretic.—Dose, 10 gr. to 1⁄2 dr.; chiefly in affections of the bladder.
4. Extractum pareira liquidum (B. P.). Pareira in coarse powder, 16; boiling distilled water, 160, or a sufficiency; rectified spirit, 3; macerate in 20 of water for twenty-four hours; pack in a percolator, adding more of the water; allow the liquor slowly to pass until 160 has been collected, or the pareira is exhausted; evaporate to 13, and, when cold, add the spirit; filter and make up to 16.—Dose, 1⁄2 dr. to 2 dr.
Extract of Par′sley. Syn. Extractum Petroselini, L. Prep. (P. Cod.) From the root, as EXTRACT OF BISTORT—P. Cod.
2. (M. Peraibe.) From the fresh leaves, as EXTRACT OF ACONITE. Febrifuge and tonic.—Dose, 5 to 10 gr.
Extract of Pasque Flower. Syn. Extractum anemonis, L. Prep. (P. Cod.) From the recent or dried flower, as either of the EXTRACTS OF ACONITE—P. Cod.—Dose, 1 to 4 gr.
Obs. Several species of Anemone have been used in medicine, especially Anemone pratensis and A. pulsatilla. According to Baron Stoerck, the former is resolvent, and is an effectual remedy in various chronic diseases, particularly in amaurosis, cataract, opacity of the cornea, nocturnal pains, suppressions, &c. 1⁄2 to 1 gr., combined with sugar of milk, has been highly recommended in hooping-cough.
Extract of Pa′tience Dock. Syn. Extractum patientiæ, L. Prep. From the root of Rumex Patientia or garden patience, as EXTRACT OF HOPS. Aperient and stomachic. Used in double doses in lieu of extract of rhubarb.