Note 2528 — BOOK XXII. THE PROPERTIES OF PLANTS AND FRUITS.

In B. xv. c. 7. The Urtica urens has no oleaginous principles, and the oil of nettles, as Fée says, must have been a medicinal composition, the properties of which are more than hypothetical. The plant boiled, he remarks, can have no medicinal properties whatever, and it is with justice excluded from the modern Materia Medica. It is, however, still employed by some few practitioners, and the leaves are used, in some cases, to restore the vital action, by means of urtication.