Book VI

. They were all of them preparations of potass mixed up with various impurities. The term was applied not only to the solution, but also to the dried _cineres_ of the same. Even quicklime is sometimes called by this name: κονία ἢ ἄσβεστος. (Scholiastes in Theocrit. Idyll. i.) The Cinis lixivius of the fig-tree is the one most frequently mentioned of them. See Pliny (H. N. xv, 18); Geopon. (v, 33); Dioscorides (i, 186); Serapion (183); and Avicenna (ii, 2, 188.) Avicenna recommends the lye of the mezerion in quinsy and affections of the eye. See also Rhases (Cont. l. ult. i, 214.) The protostactos was a composition of potass and lime. (See