ERYTHR.EA.

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juice ; digest the residue with one half ofboiling water for half an hour : depurate theliquors by repose, mix them together, andevaporate. (Bavab.)

R. Tops of Lesser Centaury,

any quantity.

Boiling Water, a sufficient quantity.

Infuse, strain, and evaporate over a slowfire to the proper consistence. (Gall. ;Form. Hop. Fr.)

R. Tops of Lesser Centaury, one pound.Spring Water, six pounds.

Digest for four days in a warm place, andthen boil a little. Express, and evaporatethe liquor to the proper consistence.(Brüxs. ; Palat. ; Wirtem.)

R. Tops of Lesser Centaury, one part.Water, eight parts.

Macerate for twenty-four hours, thenboil for a quarter of an hour, and expressstrongly ; boil the residue with

Water, four parts.

Mix the two liquors, set aside for twenty-four hours, and evaporate to the requiredconsistence. (Sax.)

R. Flowering Tops of Lesser Centaury,

two pounds.Boiling Water, ten pounds.

Digest for twenty-four hours in a coveredvessel, then boil for one hour ; decant whencold, express the herb ; mix together the twoliquors, and after the mixture has becomedepurated by repose, evaporate it to therequired consistence. (Batav. ; Belg. ;Lipp.)

R. Tops of Lesser Centaury, one part.Boiling Water, eight parts.

Boil lightly for a quarter of an hour, andexpress ; boil the residue with

Water, four parts,

and express. Mix the two liquors, decantafter sufficient repose, and evaporate over aslow fire, to the proper consistence. (Dan. ;Han». ; Olden. ; Borus.)

Austr. directs the herb to be exhaustedby several succès jive ebullitions, and the de-canted liquors to be evaporated in a water-bath. — Suec. — one part of herb to be boiledwith two parts of water, and a second timewith fresh water ; the decoction to be mixedand evaporated in a water-bath.

R. Tops of Lesser Centaury, one pound.Pure Water, ten pounds.

Boil for two hours, then express and setaside the liquor ; after sufficient rest, strainit through flannel, and evaporate till themass no longer adheres to the fingers.(Amst.)

Ross, directs one part of the tops to beboiled in six parts of water, and the decoc-tion to be strained or evaporated. — Hisp. —the tops to be boiled in a sufficient quantityof water, and the decanted decoction to beevaporated slowly. — Ant. — two pounds ofthe tops to be boiled for a quarter of anhour in ten pounds of water, and the de-coction to be decanted and evaporated. —Ferr. — one pound of the herb to be boiledin three pounds of water, and the decoctionto be evaporated after having been clarifiedwith white of egg.R. Flowering Tops of Lesser Centaury,

bruised, eight pounds.

Macerate for three days, in an alembic,then distil about two ounces of liquid in awater-bath. Pour upon the residue tripleits weight of water, and after six hours' di-gestion, reduce it to one third by boiling.Express the herb, clarify and strain theliquor, and having evaporated to the con-sistence of solid electuary, add the distilledliquor when it is only warm. (Sard.)

Dose, from a scruple to a dram.

ALCOHOLIC EXTRACT OF LESSERCENTAURY. (HerBIP.)

R. Tops of Lesser Centaury, one pound.

Water, eight pounds.

Alcohol, one pound.

Digest for three days at a moderate tem-perature, then express, set aside, and de-cant the liquor. Distil off the alcohol, andevaporate the remainder to the consistenceof an extract.

FEBRIFUGE EMULSION. (NIEMANN )

R. Bitter Almonds,

from one dram and a half to two drams.Water of Chamomile Flowers,from one ounce and a half to two ounces.Make an emulsion, and add to it whenstrained

Extract of Lesser Centaury,

from one to two drams.Mix.

BITTER WINE.

Vinum Vincetoxici amarum. (Augustin)R. Root of Madder,

Swallow-wort,

of each,one ounce,

Lesser Centrury,

Rhenish Wine, Y of each,

Water, J one pound and a half.

Boil down to two thirds, and add to thestrained liquor

Syrup of Orange Peel, two ounces.

Mix. — Dose, a glassful, morning andevening ; in jaundice.