Part II.

Materia Medica.

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what I have seen any other substance produce. Vauquelinsays this precipitate is yellow ; but in every other respect his a-nalysis confirms mine. Planche and Grindel say that severalkinds of angustura are found in commerce.

Med. use __As an aromatic bitter, it acts as a tonic and sti-mulant of the organs of digestion. It increases the appetite forfood, removes flatulence and acidity arising from dyspepsia,and is a very effectual remedy in diarrhoea proceeding fromweakness of the bowels, and in dysentery; and it possessesthe singular advantage of not oppressing the stomach, as cin-chona is apt to do. It does not cure intermittents.

It is exhibited,

1. In powder, in doses of from 5 to 20 grains, either aloneor with rhubarb, magnesia, or carbonate of lime.

2. In infusion: the infusion of one drachm in four ouncesof water may be used daily.

3. In tincture : one or two drachms in dyspepsia.

4. In watery extract. Humboldt informs us, that the Ca-talonian Capuchins, who possess the missions of Carony, pre-pare with great care an extract of this bark, which they dis-tribute to the convents of Catalonia.

Anthemis.

Willd. g. 1517. Smith, g. 376. Syngenesia Polygamia Su-pcrflua. —Nat. ord. Compositcc Radiates.

Willd. sp. 15. Smith, sp. 1. Anthemis nomlis. Ed. Lotid.Dub.

Chamomile.

Off.— -The {lowers.

ANTHEM1DIS NOBIilS FLORES. Ed.

Anthemibis flores. FJores simplices. Lond.Chamjemeli flores. Dub.

Chamomile is a perennial plant, indigenous in the south ofEngland, but cultivated in our gardens for the purposes ofmedicine. The flowers have a strong, not ungrateful, aro-matic smell, and a very bitter nauseous taste.

Thoir active constituents are bitter extractive, and essentialoil. To the latter is to be ascribed their antispasmodic, car-minative, cordial, and diaphoretic effects ; to the former, theirinfluence in promoting digestion.

Neumann obtained from 480 parts, 180 of alcoholic extract,and afterwards 120 of watery; and reversing the procedure,240 of watery, and CO alcoholic.

Med. use. —Chamomile flowers are a very common and ex-cellent remedy, which is often used with advantage in spas-

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