MANGANESIUM—MANGANESE.

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The herb consists of a cylindrical stem,furnished with clustered hairs, and of petio-lated leaves, rough to the touch ; the lowerones are divided into five round lobes, andthe upper into deeper lobes, for the greaterpart incised and nearly pinnatifid. It has asweet and mucilaginous taste.

It is emollient.

TINCTURE OF ALCEA.

Tinctura Alcea. (Brugnatelli)

R. Dried Petals of Alcea, one dram.

Alcohol, two ounces.

Digest in a covered vessel at a moderatetemperature, or exposed to the sun for twodays, shaking from time to time, and filter.

This is used as a test for discovering thepresence of acids which redden it, and of al-kalis which render it green.

MANGANESIUM.—MANGANESE.

The following compounds of this metalare employed in medicine :

TETROXIDE OF MANGANESE.

Magnesia nigra seu Vitrariorum, Magnesiumoxydatum nativum seu nigrum Mangane-sium ochraceum nigrum seu oxydatumnativum, Manganum oxydatum nativum,Molybdœnum Magnesii, Oxodes Manganinativa, Oxydum Mangani nativum, Oxy-dum Magnesii nigrum seu nigrum nativum,Peroxydum Manganesii nigrum nativum,Superoxydum manganicum ; Acidum man-ganesicum, Belg. — Peroxide of Manga-nese, Black Oxide of Manganese.

Synonimes :— Magnésie noire, Manganeseoxidé, H., Oxide noir de manganèse,Peroxide de manganese, B., Savon desverriers, Savon de verre, Fb.. ; Braunstein,Germ.; Brunsteen, Dan.; Magnesia,Ital. ; Port. ; and Span. ; Bruinsteen,Dut. ; Mangana, Pol. ; Marganazi,Ross. ; Brünsten, S wed.

Dubl. ; Ant. ; Austr. ; Batav. ; Belg. ;Bruns. ; Dan. ; Hisp. ; Gall. ; Ferr. ;Fenn.; Form. Hcip. Fr. ; Hann. ; Hass. ;Lipr. ; Olden. ; Pol. ; Cast. Borus. ;Borus. ; Ross. ; Sax. ; SuEC. ; Wir-tem. ; Herbip. ; Ainslie ; Coxe ; Gui-

BOURT.

It is in dull masses, the colour of whichvaries from an almost pure black to a brownor violet-brown.

The medicinal uses of this oxide are butfew. It lias been employed, mixed with anequal part of lard, in tinea, itch, and tetters.It would be sufficient merely to cover the

affected parts with the powder. Its princi-pal use is for the preparation of chlorine.

emmenagogue boluses.

R. Peroxide of Manganese,

fourteen grains.

Extract of Savine, 1 , , ._________ AIoeS) | of each, ten grains.

Make six boluses, to be taken in thecourse of the day.

HYDROCHLORATE OF MANGANESE.

Murías Manganesii. (Niemann)

R. Manganese, any quantity.

Diluted Hydrochloric Acid,

a sufficient quantityto dissolve the metal. Evaporate the solu-tion.

PILLS OF HYDROCHLORATE OF MANGANESE.

Pilutœ Manganesii muriatici. (Augustin ;Niemann)

R. Hydrochlorate of Manganese,

two scruples.Gum Arabic, 1 _ , ,

Liquorice, / of eacll > one scru P le -

Make a pilular mass. — Dose, from twentyto forty grains, in herpetic diseases.

The aqueous solution of this salt has alsobeen extolled as a gargle in aphthae. Thatof the acetate, in the proportion of a scru-ple to three ounces of water, has been like-wise recommended, as well also as an oint-ment prepared with an equal part of thesulphate and of lard. (Augustin)

Vol. II.