CHAP. 82.—THE USE MADE OF THE YEAST OF ZYTHUM.
Different beverages, too, are made from the cereals, zythum in Egypt, cælia and cerea in Spain, cervesia[2828] and numerous liquors in Gaul and other provinces. The yeast[2829] 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]