SIZE

397

is separated by treating resin repeatedly with alcohol, which takes upevery thing except the silvic acid. It strongly reddens litmus paper,and forms crystals in quadrangular prisms. See Pinic Acid.Simaroub/e Cortex. L. E. D. Simarouha Bark. Quassia simarouba.L. E. D. Simaruba amara. P. It has no smell, but a bitter non-astringent taste, and it consequently does not contain tannin norgallic acid. How Mr. Brande should say it " furnishes an astringentinfusion," I cannot conjecture.Medicinally it is tonic and slightly stimulant and diuretic. It has beenprescribed in dyspepsia, intermittent, diarrhcea, and dysentery, indoses of gr. x to ^ss or more of the powder; but the infusion or thedecoction are preferable.Enters into Infus. Simaroubae. L.Sinapism. See Cataplasma Sinapis. L.

Sinapis Semina. L. E. D. P. Mustard Seed. Sinapis alba. E. D. P.Sinapis nigra. L. When unbruised, the seeds have no smell; but,when bruised, the smell is very pungent. They have a hot, bitterish,and pungent taste.Adulterated in the state of powder very extensively. See Mustard.Internally mustard is stimulant, diuretic, and in larger doses emetic.When the seed is swallowed entire or slightly bruised, it is laxativeand tonic, but apt to produce flatulence. It is seldom prescribedexcept in a very torpid state of the bowels. The dose is from oneto three table-spoonfuls a day. A table-spoonful of powderedmustard to a pint of boiling water is given as an emetic in para-lysis, &c.Externally mustard is stimulant and rubefacient, and in form of si-napism is much used as an external application.Enters into Cataplasma Sinapis. L. D.Singleton's Eye Salve, or Golden Ointment, is prepared with equal

quantities of orpiment (Sulphuret of arsenic) and prepared lard.Sihop. See Syrup.

Sisymbrium. Cress. A genus of plants reputed antiscorbutic, butwhen eaten raw are apt to cause coldness and flatulence, though theseare partly obviated by their stimulant and pungent properties.Sium Herba. D. Water Parsnip. Sium nodifiorum. It is reputed tobe a diuretic, and lithontriptic in doses of Jij of the expressed juicegiven in milk or barley water.Size is prepared in the same manner as glue, but is not so much boiled,and is not dried, but kept in the state of a jelly.Gold Size is prepared for japanning by dissolving Jiv of gum ammo-niac, 5J of linseed oil, adding oil of turpentine till of a properconsistence.