=Pimenta (Piment.), Pimenta, N.F.= (Pimento, Allspice).--Nearly ripe fruit.
ACTION AND USES: Aromatic; stomachic; has no advantage over cardamom.
=Pimpinella (Pimpinell.), Pimpinella, N.F.= (Pimpernel Root).--Rhizome and roots.
ACTION AND USES: Formerly used as a diuretic, diaphoretic and stomachic. Now obsolete; no definite indications for its use.
_Tinctura Pimpinellae (Tr. Pimpinel.), Tincture of Pimpinella, N.F._--Pimpinella (20%) in alcohol and water. Absolute alcohol content about 60 per cent.
=Pinus Alba (Pinus Alb.), White Pine Bark, N.F.=--Inner bark.
ACTION AND USES: Used as "expectorant" in proprietary cough syrups. Of doubtful value.
_Syrupus Pini Strobi Compositus (Syr. Pin. Strob. Co.), Compound Syrup of White Pine, N.F._--White pine bark and wild cherry (each 8.5%), aralia (1%), balsam poplar buds (1%), sanguinaria (0.8%), sassafras (0.7%) and chloroform (0.6%) in glycerin, alcohol and syrup, colored with cudbear and flavored with oil of sassafras. Absolute alcohol content about 12 per cent.
_Syrupus Pini Strobi Compositus cum Morphina._--See under =Morphinae Sulphas=.
=Piper (Piper), Pepper, U.S.P.= (Black Pepper).
ACTION AND USES: Sometimes used as carminative, generally in the form of the oleoresin, which is highly irritant.
_Oleoresina Piperis (Oleores. Piper.), Oleoresin of Pepper, U.S.P._
=*Pix Liquida (Pix Liq.), Tar, U.S.P.= (Pine Tar).--Obtained by the destructive distillation of pine wood.
A semiliquid viscid blackish-brown substance, with an empyreumatic odor and taste. Slightly soluble in water; miscible with alcohol.
ACTION AND USES: Externally, as antiseptic and stimulant in chronic diseases of the skin associated with thickening and scaling. Internally, as irritant expectorant in subacute bronchitis.
DOSAGE: Internally, 0.5 Gm. or 8 grains (U.S.P.) as syrup. Externally, in ointment, at first from 2 to 4 per cent., later in higher strength.
_Glyceritum Picis Liquidae (Glycer. Pic. Liq.), Glycerite of Tar, N.F._--Tar (6.3%) in glycerin, alcohol and water. Absolute alcohol content about 12 per cent.
_Liquor Picis Alkalinus (Liq. Pic. Alk.), Alkaline Solution of Tar, N.F._--Tar (25%), in potassium hydroxide (12.5%), and water.
_Syrupus Picis Liquidae (Syr. Pic. Liq.), Syrup of Tar, U.S.P._--Tar (0.5%) in alcohol, mixed with syrup. Absolute alcohol content about 5 per cent.