168. Lenticula acatica: i.e. duckweed; it is cold, but to what degree is not known; this herb has the ability to counter poisoning and to repercuss; it serves well against a hot impostume such as carbuncle and erysipelas, i.e. take duckweed, tops of the wild valerian, houseleek, and white of hen-egg, mix them, and put them on the apostumes, and it will repercuss their excessive heat and soften the hard matter. Take duckweed, foliage of eyebright, tops of violet, foliage of red clover, and soft shoots of bramble, equal amounts of each, pound them, put mother's, milk through it, and, if it be applied