304

PAST

Pareiha Biiava. P. Cissampelos parcira. The root is bitter, diuretic,and alterative, and prescribed in anasarca, dysury, icterus, gout, uri-nary calculus, and cutaneous disorders, in doses of 9j to 5j of thepowder, or in form of infusion jj to Oj of water—giij thrice a day.

Parietaria Officinalis. P. Pellitory of the Wall. A native plantcommon on old walls, growing in great luxuriance in the south ofIreland.Medicinally both the herb and root arc diuretic and cooling, as well asexpectorant, and are prescribed in dysury, gravel, asthma, phthisis,&c. It is also a common ingredient in herb snuff; but I doubtwhether it is errhine more than any other powder snuffed up thenostrils.

Parilline. The alkaline base of sarsaparilla, a new substance butlittle known. (G. Palotta.)

Paris Quadrifolia. Herb Paris, or Truelove. Is said to be nar-cotic, and also emetic like ipecacuan, in a double dose, that is, 3ijor more. (LlNNJEUS.) In mania it is useful in drachm doses.

(BOERHAAVE.J

Parsley. See Am Petr. E.

Parsley Pikrt. Aphanes arvensis. A native plant common in culti-vated land, and said to be diuretic and useful in gravel, in form ofdecoction, on the fanciful analogy that the root breaks the stonesamong which it grows.

Parsnip. See Pastinaca.

Passiflora Murucdja. A narcotic plant, the alcoholic tincture ofwhich is used as a substitute for laudanum.

Pastes, or Pates. P. Preparations made with mucilaginous and sac-charine substances.

Pasta de Altii.ea. Massa de gummi arabico. P. Take Jiv of thefresh roots of marshmallow, infuse for 12 hours in Ov of water;strain, and add ibij each of gum arabic and refined sugar; dissolveby means of a gentle fire, strain through linen by pressure, evaporateover the fire to the consistence of a soft extract; then form it care-fully into a mass, and to every Ibv add 12 whites of eggs, beat andmixed with giv of orange-flower water. Agitate the mass, and ex-pose to heat to thicken it; then spread it out on a table covered withstarch. It is soothing and expectorant.

Pasta de Dactylis. P. Take ftjss of picked dates, tbv of sugar, fcvjof gum arabic, Oxxx of water, 3XJ of orange-flower water; make amass of fcix weight. It is soothing and expectorant.

Pasta Glycyrrhiz.e Gummata et Akisata. P. Take Ibj of purifiedextract of liquorice, ftij of gum Senegal, fcj of sugar, 51J of Flo-rentine iris root, J)j of essential oil of anise; dissolve the gum in