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The Edinburgh new Dispensatory : containing 1. The Elements of pharmaceutical Chemistry ; 2. The Materia Medica; or the natural, pharmaceutical and medical History, or the Substances employed in Medicine ; 3. The pharmaceutical Preparations and Compositions ; including Translations of the Edinburgh Pharmacopoeia published in 1805, of the Dublin Pharmacopoeia in 1807, and of the London Pharmacopoeia in 1815
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170

Materia Medica.

Part II.

Off —The wood, root, and bark.

a) Lignum laurj sassafras- Ed.Lignum sassafras: Lond Dub.

b) Radix lauri sassafras. Ed.Radix sassafras. Land. Dub.

a) Cortex lauui sassafras. Ed.Cortex sassafras. Dub.

This tree is a native of North America, and is cultivatedin Jamaica. It is the root which is commonly employed Itis brought to us in Jong branched pieces. It is soft, light, andof a spongy texture; of a rusty white colour •, of a strong plea-sant smell, resembling that of fennel; and a sweetish, aroma-tic, sub-acrid taste. The bark is rough, of a brown-ash co-lour on the outside, and ferruginous colour within; spongyand divisible into layers, and of a stronger taste and smell thanthe wood.

Neumann got from 4-80 grains, 80 of alcoholic, and after-wards 60 of watery extract, and inversely 120 watery, and 7.5alcoholic. In distillation, alcohol elevates nothing, but watera ponderous essential oil, in the proportion of about 10 from480.

Medical use __Sassafras, from the quantity of volatile oil it

contains, is a gently stimulating, heating, sudorific, and diu-retic remedy.

It is best given in infusion. The decoction and extract aremere bitters, as the oil is-dissipated by the preparation

The essential oil may be obtained separate by distillation.It is of a whitish-yellow colour, and sinks in water. It is high-ly stimulating and heating, and must be given only in verysmall doses.

Lavandula spica. Ed. Lond. Dub.Willd.g. 1099, sp. 1. Didynamia Gymnospermia —Nat. ord.VerticillatcB.Lavender.

Off —The flowering spikes.

SPJCA FLORENS LAVANDULAE SPICJE. Ed,

Lavandulae flores. Lond. Dub.

Lavender is a well-known, small, shrubby, perennial plant,a native of the south of Europe, but frequently cultivated inouf gardens, for the sake of its perfume. There are two va-rieties. The flowers of both have a fragrant, agreeable smell,and a warm, pungent, bitterish taste, the broad-leaved varie-ty is the strongest in both respects, and yields in distillationthrice as much essential oil as the other; its oil is also hotter,

 
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