109

HYPERICUM.

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I

colour, without odour, but of a bitter andresinous taste.

OIL OF THE SEEDS OF ST. JOHN'S-WORT.

Oleum Seminum Hyperici. (Sard.)R. Seeds of St. John's-wort, any quantity.Bruise them, enclose the paste in a bag,express the oil without heat, and filter.

EXTRACT OF ST. JOHN's-WORT. (WlRTEM.)

R. Flowers of St. John's-wort,

one pound.Alcohol, five or six pounds.

After sufficient extraction, express, di-gest, and strain ; then boil the residuum inthree pounds of water, and clarify the de-coction with white of egg. Mix the twoliquors together, distil off the alcohol, andevaporate to the consistence of an extract.

SYRUP OF ST. JOHN S-WORT.

Syntpus Hyperici. (Wirtem.)

R. Fresh Flowers of St. John's-wort,

one pound and a half.

Boiling Water, one pound.

Macerate for twenty-four hours in a cold

place ; then express, and add to every nine

ounces of the liquor,

White Sugar, sixteen ounces.

Mix.

COMPOUND VINOUS TINCTURE OF ST.JOHN'S-WORT.

Balsamum catholicum ex Vino seu innocen-tianum. (Sard.)

B

three ounces.

two ounces.

one ounce.

of each,half an ounce.

Benzoin,

Storax,

Dr>' Balsam of Peru,

Aloes,

Myrrh,

Olibanum,

Root of Angelica, J

Dried Flowers of St. John's-wort,

four handfuls.

Red Wine, four pounds.

Digest the flowers and root in the winefor three days, on warm ashes ; then, whencold, express, and digest the other sub-stances in the tincture for fifteen days, fre-quently shaking the vessel, and strain.

TINCTURE OF ST. JOHN'S-WORT.

Tinctura seu Essentia Hyperici. (Bruns. ;Fuld. ; LlPP. ; WlRTEM.)

Flowers of St. John's-wort,

four ounces.Alcohol, one pound and a half.

Digest for three days, express strongly,and filter. (Wirtem.)

R

Bruns, directs three ounces of flowersto be digested for three days in sixteenounces of alcohol ; then two more ouncesof flowers to be infused in the strainedtincture, and finally filtered.- — Fuld. ; andLipp. — one part of flowers to be digestedin four parts of alcohol for three days.

It is excitant, and was formerly extolledin melancholy and in vermical disorders. —Dose, from fifty to eighty drops. — It wasalso applied externally as a vulnerary.

COMPOUND TINCTURE OF ST. JOHN'S-WORT.

Tinctura alcoholica Hyperici vulneraria, Bal-samum catholicum cum Spiritu Vini.(Hisp. ; Sard.)

R. Dried Flowers of St. John's- 1 of each,

wort, y half an

Root of Sweet-flag, J ounce.

Alcohol, three pounds.

Digest with a moderate heat in a covered

vessel for several days, shaking from time

to time ; then add

Benzoin, three ounces.

BakamofTolu,} ofeach ' two ounces '

Myrrh, half an ounce.

Strain after sufficient digestion. (Hisp.)

R. The dry residue of the preparationof the Compound Vinous Tinctureof St. John's-wort.Root of Angelica, half an ounce.

Dried Flowers of St. John's-wort,

one ounce.Alcohol, four pounds.

Digest for eight days, and strain. (Sard.)It is stimulant, but is more used exter-nally than internally.—Dose, from six dropsto half a scruple.

stahl's splenetic essence.Essentia splenetica Stahlii. (Wirtem.)R. Flowers of St. John's-wort,

Herb of Vervain,

--------- Rue,

---------- Wall-rue,

- Sage, _Plantain,

one ounce.

of each,half an ounce.

one pound.

Alcohol,Infuse, express, and filter.

It is excitant, and is recommended in hy-pochondria, and also as resolvent and diu-retic. — Dose, from sixty to eighty drops.

OIL OF ST. JOHN'S-WORT BY INFUSION.

Oleum Hyperici seu Hyperici per infusum.(Amst. ; Batav. ; Bruns. ; Dan. ;Hisp. ; Gall. ; Ferr. ; Fuld. ; Hann. ;