Different beverages, too, are made from the cereals, zythum in Egypt, cælia and cerea in Spain, cervesia2828 and numerous liquors in Gaul and other provinces. The yeast2829 of all of these is used by women as a cosmetic for the face.—But as we are now speaking of beverages, it will be the best plan to pass on to the various uses of wine, and to make a beginning with the vine of our account of the medicinal properties of the trees.

Summary.—Remedies, narratives, and observations, nine hundred and six.

Authors quoted.—All those mentioned in the preceding Book; and, in addition to them, Chrysermus,2830 Eratosthenes,2831 and Alcæus.2832