Caustics are orpiment, copperas, chalcitis, misy, verdigrease, lime, burned paper(28), salt, copper scales, burned lees, myrrh, dung of a lizard, and pigeon, and ring-dove, and swallow, pepper, gnidian berry, garlick, diphryges, both the milks mentioned in the last chapter, hellebore both white and black, cantharides, coral, pellitory, frankincense, salamander, rocket, sandarach, stavesacre, chrysocolla, ochre, scissile alum, sheep’s dung, flower of wild vine. CHAP. IX. MEDICINES FOR FORMING CRUSTS UPON ULCERS. The same medicines form crusts upon ulcers, as if they were burnt by fire, but particularly chalcitis, especially if it be calcined, flower of copper, verdigrease, orpiment, misy, and the efficacy of the last is increased by calcination. CHAP. X. RESOLVENTS FOR CRUSTS. The crusts (eschars) of ulcers are resolved by wheat meal with rue or leeks or lentils, with the addition of some honey. CHAP. XI. DISCUTIENTS. For discussing any collections, which have been formed in any part of the body, the following things are very powerful, southernwood, elicampane, sweet marjoram, white violet, honey, lilies, sansucus(29), cyperus, milk, mellilot, serpyllum, cypress, cedar, iris, purple violet, narcissus, roses, saffron, white horehound, long rooted cyperus, nard, cinnamon, cassia, ammoniacum, wax, resin, stavesacre, litharge, storax, dry figs, goat’s marjoram, seeds of lint, and of narcissus, bitumen, the dust of the gymnasium, the pyrites-stone, or mill-stone, raw yolks of eggs, bitter almonds, and sulphur. CHAP. XII. EVACUATING AND DRAWING MEDICINES. Evacuant and drawing are labdanum, round alum, ebony, lintseed, omphacium, gall, chalcites, bdellium, turpentine and pine resin, propolis, dry figs boiled, pigeon’s dung, pumice, meal of darnel, green figs boiled in water, elaterium, bay-berries, nitre, and salt. CHAP. XIII. LENIENTS. Lenients for what is exasperated are spodium, ebony, gum, white of eggs, milk, tragacanth. CHAP. XIV. INCARNING MEDICINES. Pine resin, attic ochre, honey, asteriace(30), wax, and butter, incarn and fill up ulcers. CHAP. XV. EMOLLIENTS. Emollients are, calcined copper, Eretrian earth(31), nitre, poppy-tears(32), ammoniacum, bdellium, wax, suet, fat, oil, dry figs, sesamum, mellilot, the root and seed of narcissus, rose-leaves, coagulum, yolk of egg raw, bitter almonds, all marrow, antimony(33), pitch, boiled snails, hemlock-seed, dross of lead(34), by the Greeks called scoria molybdou[DL], panaces, cardamom, galbanum, resin, stavesacre, storax, iris, balsam, dust of the gymnasium, sulphur, butter, rue. [DL] σκορία μολύβδου. CHAP. XVI. CLEANSERS OF THE SKIN. The skin is cleansed by honey, for which purpose it is more effectual when mixed with galls, or vetches, or lentils, or horehound, or iris, or rue, or nitre, or verdigrease. CHAP. XVII. OF THE MIXTURE OF SIMPLES; AND OF THE PROPORTION OF THE WEIGHTS.