CHAP. 75.—LAPIDIS MUSCUS, OR STONE MOSS: ONE REMEDY.There grows near running streams, a dry, white moss,1 upon ordinary stones. One of these stones, with the addition of human saliva, is rubbed against another; after which the first stone is used for touching impetigo,2 the party so doing uttering these words:— φεύγετε χανθαρίδες, λύχος ἄγριος αἷμα διώχει.
"Cantharides3 begone, a wild wolf seeks your blood."4