Materia medica and therapeutics : for physicians and students . ses.—Chamomile, in small doses, is a mild, agree-able, aromatic tonic, and, in large doses, acts as an cold infusion is much employed as a stomachic, and thehot infusion is given to aid the operation of emetics. Theflowers, boiled in water, form a good fomentation to inflamedparts. The usual form of administration is the infusion. Dose, TONICS EUPATORIUM. 139 as a stomachic, fSij, two or three times a day, cold; as an emetic,hot, ad lUntuvi. Matricaria. The flower-heads of Matricaria chamomillaor German chamomile [Nat.


Materia medica and therapeutics : for physicians and students . ses.—Chamomile, in small doses, is a mild, agree-able, aromatic tonic, and, in large doses, acts as an cold infusion is much employed as a stomachic, and thehot infusion is given to aid the operation of emetics. Theflowers, boiled in water, form a good fomentation to inflamedparts. The usual form of administration is the infusion. Dose, TONICS EUPATORIUM. 139 as a stomachic, fSij, two or three times a day, cold; as an emetic,hot, ad lUntuvi. Matricaria. The flower-heads of Matricaria chamomillaor German chamomile [Nat. Ord. Compositae), an annual Euro-pean plant, possess properties very similar to those of chamo-mile. The) contain volatile oil, bitter extractive, tannin, and7nalatcs. They are not much employed in this country. EUPATORIUM. Eupatorium perfoliatum, Boneset, or Thoroughwort { Compositae), is a very common indigenous plant, growingin wet grounds in every part of the United States. It hasnumerous herbaceous stems, with long, narrow leaves, per- FlG. EUPATORIUM PERFOLIATUM. FLOWERING TOPS. forated by the stems. The leaves and flowering tops are theofficinal portion. They have a faint odor, a strongly bitter taste,impart their virtues to water or alcohol, and contain a bitter 140 MATERIA MEDICA NEUROTICS. glucoside, called eiipatorin; ^so gum, tannic acid, and a trace ofvolatile oil. In the leaves are found also resin, wax, and gallicacid.* E. teucrifolium, E. aromaticum, and other native species,are almost identical in their properties with E. perfoliatum. Effects and Uses.—Thoroughwort is a stimulant tonic, dia-phoretic and expectorant, and in large doses proves emetic andlaxative. It is a good stomachic in dyspepsia, and, from itscombined corroborant, expectorant, and diaphoretic properties,is an excellent remedy in epidemic influenza, and in the latterstages of pneumonia and bronchitis. It is used also with goodeffect in rheumatism, and in intermittent, remittent


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