UNSHOE-THE-HORSE.—The Hippocrepis comosa, from its horseshoe-shaped legumes, is supposed, upon the doctrine of signatures, to have the magical power of causing horses to cast their shoes. This Vetch is the Sferracavallo of the Italians, who ascribe to it the same magical property. Grimm, however, considers that the Springwort (Euphorbia Lathyris) is, from its powerful action on metals, the Italian Sferracavallo. The French give a similar extraordinary property to the Rest-Harrow (Ononis arvensis); and it is also allotted to the Moonwort (Botrychium Lunaria):—
“Whose virtue’s such,
It in the pasture, only with a touch,
Unshoes the new-shod steed.”—Withers.
UPAS.—The deadly Upas of Java has the terrible reputation of being a tree which poisons by means of its noxious exhalations. Two totally distinct trees have been called the Upas,—one, the Antjar (Autiaris toxicaria), is a tree attaining a height of one hundred feet; the other, the Chetik, is a large creeping shrub peculiar to Java. Neither of them, however, answers to the description of the poisonous Upas, which rises in the “Valley of Death,” and which was seen and reported on by Foersch, a Dutch physician, who travelled in Java at the end of the last century. Foersch wrote that this deadly Upas grew in the midst of a frightful desert. No bird could rest in its branches, no plant could subsist, no animal live in its neighbourhood: it blighted everything near with its malaria, and caused the birds of the air that flew over it to drop lifelessly down. Leagues away, its noxious emanations, borne by the winds, proved fatal. When a Javanese was condemned to death, as a last chance, his pardon was offered to him if he would consent to go into the Valley of Death, and gather, by means of a long Bamboo-rod, some drops of the poison of the Upas. Hundreds of unhappy creatures are said to have submitted to this trial, and to have miserably perished.
VALERIAN.—The ancient name of this plant, according to Dioscorides, was Phu, and in botanical phraseology Garden Valerian is still Valeriana Phu. The Latins called the plant Valeriana, some say from its medicinal value, others from one Valerius, who is reputed first to have used the herb in medicine; but the derivation is really uncertain. The old English name of the plant was Setewale, Setwal, or Set-wall. Chaucer writes:—
“Ther springen herbes grete and smale,
The Licoris and the Setewale.”
And, speaking of the Clerk of Oxenforde, he says:—
“And he himself was swete as is the rote