. The elements of materia medica and therapeutics (Volume 2) . hops is the fruit of Vanilla aromatica,Sw., a native of Peru, Mexico, Jamaica, and Cuba. Schiede(Schlechtcndals Linnea. Oct. 1829, S. 573,) mentionsthree other Mexican species (V. sativa, V. sylvestris, andV. Pompona) which yield vanilla. Notwithstanding thestrong odour of this fruit, no volatile oil can be obtained bydistillation. (See Bucholzs analysis in Buchners 253.) The white acicular crystals found on the fruit area kind of solid volatile oil. Vanilla is employed in thiscountry for flavouring chocolate, ice-creams
. The elements of materia medica and therapeutics (Volume 2) . hops is the fruit of Vanilla aromatica,Sw., a native of Peru, Mexico, Jamaica, and Cuba. Schiede(Schlechtcndals Linnea. Oct. 1829, S. 573,) mentionsthree other Mexican species (V. sativa, V. sylvestris, andV. Pompona) which yield vanilla. Notwithstanding thestrong odour of this fruit, no volatile oil can be obtained bydistillation. (See Bucholzs analysis in Buchners 253.) The white acicular crystals found on the fruit area kind of solid volatile oil. Vanilla is employed in thiscountry for flavouring chocolate, ice-creams, &c. But onthe continent it is used as a medicinal agent. It is an aro-matic stimulant; has an exhilarating effect on the mentalfunctions, prevents sleep, increases the energy of the mus-cular system, and excites the sexual feelings. (Sundelin,Heilmittellehre, ii. 203, 3te Aufl.) It has been administeredin asthenic fevers, rheumatism, hysteria, impotence of themale, melancholy, &c. The dose of it is from 8 to 12 grs.(Vogt. Pharmak. ii. 600, 2 Aufl.). Vanilla aromatica. 3. EXOGENS, De Cand.—EXOGENS. DlCOTTLEDONES, JuSSteU. Essential Characters.— Trunk, consisting of bark, wood, and pith, placed one within theother; the pith being innermost. Bark, composed of strata (the younger and inner beingcalled Mar), increasing by the deposit of new cortical matter on its inner side. Wood, con-sisting of ligneous strata, traversed by medullary rays, and increasing by the deposit of newwoody matter on its outer side (exogenous growth): the older and inner strata are calledduramen, or perfect wood; the younger and outer strata are termed alburnum, ox sap wood. 163 ELEMENTS OF MATERIA MEDICA. Leaves articulated with the stems; their veins branching and anastomosing (angulinerved;reticulated). Flowers, if with a distinct calyx, often having a quinary arrangement. Embryowith two or more cotyledons (dicotyledonous); if two, they are opposite; if more than two,they are verticillate: radicle n
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