ERIGERON.—FLEA-BANE.
621
EMETIC MIXTURE. (FeRR. ; BoRIES ;
Cadet de Gassicourt; Fee; Ma-
GENDIE ; PiEROUInJ
R. Emetine, four grains.
Infusion of Orange Leaves, two ounces.
Syrup of Orange Flowers, half an ounce.
Mix. — A spoonful to be taken every half
hour.
If pure emetine is employed, the follow-ing formula should be followed •■ (Cadetde Gassicourt; Fee ; Magendie ; Pier-Quin)
R. Pure Emetine, dissolved in a sufficient
quantity of Nitric Acid, one grain.Infusion of Linden, three ounces.
Syrup of Marshmallows, one ounce.Mix. (Ferr. ; Magendie)
Dose, a spoonful, every quarter of anhour, till vomiting takes place.
syrup of emetine. (Ferr. ; Bories ;Ellis ; Fee ; Henri ; Magendie)
R. Emetine, sixteen grains.
Simple Syrup, one pound.
Dissolve the emetine in a very smallquantity of pure water, filter the solution,and mix it intimately with the syrup.
Ellis ; and Magendie also prescribefour grains of pure emetine to one poundof syrup. — -Dose, a tea-spoonful.
EQUISETUM.—HORSE TAIL.
Four species of this genus of plants arementioned in pharmacopoeias.
Equisetum arvense, Linn.Horse-tail.
-Common
Synonimes :— Prêle des champs, Queuede cheval, Fr. ; Kaunenkraut, Schlach-tholm, Schaftheu, Germ. ; Hestehade,Dan. ; Akkerig paadreestaart, Dut. ;Coda de Cavallo, Ital. ; Koszcka, Pol. ;Cavalinha, Port. ; Rsefrumpa, Swed.
Bruns.; Hisp. ; Gall.; Sax. ; Wir-tem. ; Murray and Gmelin; Spiel-mann.
A plant of Europe. (Cryptogamiœ, Linn. ;Equisetáceas, Juss. ; Fig. Curt. Fl. Land. t.285.)
The stem, improperly called herb (HeriaEquiseti seu Equiseti minoris), is employed.It is round, slightly grooved, simple, arti-culated, leafless, of a reddish-white colour,and furnished with a denticulated sheath
{gaine) at each articulation. It has aslightly saline and styptic taste.
2. Equisetum hyemale, Linn.Gall. ; Bergius.
A common European plant.
The stem {Herba Equiseti majoris) isemployed. It is round, naked, and some-what branching at the summit.
3. Equisetum palustre, Linn.
Gall.A plant of Europe.It has an angular stem and simple leaves.
4. Equisetum fluviatile, Linn.Gall.
A plant of Europe.
Its leaves are nearly simple, and its stemis striated.
ERIGERON.—FLEA-BANE.
Four species of this genus are employedin medicine :
1. Erigeron acre, Linn. — Blue-floweredFlea-bane.
Synonimes :— Vergerette acre, Fr. ; BlauesFlsekrant, BeschreykraAt, Berufskra^t,Baues Dürrwurz, Germ. ; Shero Syn-straal, D ut.
Gall. ; Wirtem. ; Murray and Gmelin ;Spielmann.
This plant is common in every part ofEurope. {Syngenesia Polygamia Superflua,Linn ; Synantherece, Cass. ; Fig. Zorn,Ic.pl. t. 381.)
The flowering herb (Herba Conyzœ cœru-leœ seu minoris seu Senecionis cœrulei seuAsteris conyzoides) is employed. It consistsof an angular, hairy, red, branching stem,furnished with alternate, linear, lanceolate,entire, hairy leaves, and bearing alternate,unifloral, axillary peduncles, which form at