The plaster from natron, for carbuncles. Of roasted natron, oz. iij; of wax, of oil, of Colophonian rosin, of each, dr. iss; of Cyrenaic or Median juice, dr. x. It is applied, diluted, upon a pledget.

The plaster from anemone. Of anemone stripped of its nails (“the white parts of its flowers”), oz. ij; of wax, oz. v; of oil, oz. iv; of rosin, oz. vss; of Colophonian rosin, lb. iiss.

The green plaster of Machærion for ischiatic diseases, infarctions of the joints, and abscesses. Of opoponax, of galbanum, of verdigris, of myrrh, of iris, of ammoniac perfume, of birthwort, of each, oz. j; of turpentine, of wax, of the oil of unripe olives, of each, oz. vij.

Another simple green plaster. Of rosin, lb. iij; of wax, lb. j; of scraped verdigris, lb. ss; of frankincense, dr. xxv; of vinegar, q. s.

Another green plaster for humid and fungous ulcers. Of Colophonian rosin, oz. vj; of scraped verdigris, oz. iss; of wax, oz. ij; of Cappadocian salts, oz. j; of rose oil, oz. ij; of vinegar, q. s.

The plaster from rue, for pleuritic cases. Of green rue, lb. j; of butter, lb. iss; of turpentine, oz. xv; of the medicine œsypum, oz. xv; of opoponax, oz. iij; of galbanum, oz. iij; of oil of dill, lb. j.

The plaster from lye, for ischiatic, arthritic, and œdematous complaints. Of wax, of old oil, of protostacton (“a mixture of lime with some other sort of lixivial ashes”), of each, lb. j; of roasted rosin, of Alexandrian natron, of white natron, of turpentine, of each, oz. vj. Triturate the natron with the ashes.

The plaster from natron, for abscesses and scirrhous swellings. Of old oil, of wax, of aphronitrum, of soap, of ashes, of each, lb. j; of turpentine, oz. vj; of galbanum, of bee-glue, of ammoniac perfume, of each, oz. j. Prepare like the former.

The plaster from salts. Of wax, oz. iv; of oil, lb. j; of common salts, oz. iv; of aphronitrum, oz. iv; of ceruse, oz. viij; of vinegar, oz. ij, for the trituration.—Otherwise. Of common salts, of natron, of each, oz. iv; of wax, of old oil, of each, oz. vj; of sea-water, q. s.