The virtues of wild valerian in nervous disorders ... With directions for gathering and preserving the root; and for chusing the right kind when it is bought dry. Shewing that the uncertainty of effect in this valuable medicine, is owing to adulteration or ill management / [John Hill].

  • Hill, John, 1714?-1775.
Date:
1772
Catalogue details

Licence: Public Domain Mark

Credit: The virtues of wild valerian in nervous disorders ... With directions for gathering and preserving the root; and for chusing the right kind when it is bought dry. Shewing that the uncertainty of effect in this valuable medicine, is owing to adulteration or ill management / [John Hill]. Source: Wellcome Collection.

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    drained in great part of them. Therefore^ neither when the plant is in. flower, nor when it is about to flower, fliould its root be gathered for medicinal purpofes. While it has only the radical leaves it may: but the befl: time of all is juft when the bud of the fl:alk,is forming. The growth- of the Valerian is this: In July it flov/ers; in Augufl: the feeds are ripe^ and the winds carrying them off, they flrike root, when they fall upon a favourable ground. The rains of autumn favour this^ and a fmall clufler of leaves is foon formed; and thefe, with the root, continue growing till the feverefl: frofts ; or, in mild winters, through the whole feafon.... At the fame time that the feeds fall, thofe runners before-mentioned, rifing from the head of the old roots, fpread themfelves juft under the furface, or fometimes upon it; and taking root at their ends, they alfo form new plants: each fliodting up a clufter of leaves, and fending fibres into the earth, jufl: as the Teedlings. » Among the dried roots we buy at the druggifls, fome are large and light; others* fmall and more firm: the large ones are' often fuch as have been pulled up by the* ftalk, at, or after the time of flowering, in . . ■' Juhf