WALK

475

It is bitter, acrid, and emetic, similar to emetine, and highly

poisonous. (Orfila.)Vipera. Viper. Coluber berus, or Adder. The flesh of this reptile is

used on the continent to make a broth, said to be nutritive for the

sick. The fat is used for making ointments; but it has no advantage

over lard.Viega Aurea; F lores, Folia. D. Golden-rod Flowers, and

Leaves. Solidago virgo aurea. A native plant, not very common,

which is astringent and tonic, in doses of gr. x to 5J, in visceral

debility.Virginian Snake-Root. See Serpentaria.Virgin's Milk. Several preparations are sold under this name. One

is a tincture, of equal parts of benzoin, and storax, with about

twenty parts of rose water; and another, is a saturated solution of

alum, agitated, with a third part of the solution of subacetate of lead.Virgin Oil is that which flows first from the pulp of the ripe fruit of

the olive, when put under the press.Viscum Album. Missletoe. A parasite native shrub, esteemed sacred

by the Druids, and is supposed to be good for epilepsy, in doses of

3j to ^j of the leaves. The berries are purgative, and are also used

to make birdlime.Vitellus Ovi. See Ovi Vit.Vitis Vinipera. The Vine. See Uvm Pass/e.Vitriolum. O. Vitriol. An old term, applied to sulphate of iron,

which was called green vitriol; to sulphate of copper, which was

called blue vitriol; to sulphate of zinc, which was called white vitriol;

and to sulphuric acid, which was called oil of'vitriol, or simply vitriol.

As the term is so ambiguous, it ought to be discarded.Vitrum Antimonii. See Anttmonii Vitrum. L.Vitrum Pr^paratum. Prepared Glass. Triturate the glass to an

impalpable powder, in an agate mortar. It is applied, mixed with

honey, or blown through a quill, to remove specks on the cornea;

but appears to be a hazardous remedy. It is also used to adulterate

snuff, and may be detected by a magnifying glass.

W.

Wade's Drops. See Tinct. Benzoini Compos.

Walker's Jesuit's Drops. Take ftj of gum guaiac, 5iij of balsam ofPeru, Oijss of rectified spirit; make into a tincture. Dose ^j to 5ijas an antivenereal. It is the same as the balsam of guaiac, and theantivenereal elixir.