FLOS, among botanists and gardeners, the most beautiful part of trees and plants, containing the organs or parts of fructification. See Botany, p. 427—429, and explanation of Plate CIII. in p. 439, col. 1. See also p. 441, col. 1.
Flowers, designed for medicinal use, should be plucked when they are moderately blown, and on a clear day before noon: for conserves, roses must be taken in the bud.