The outward use.
It is of a sharp corroding quality, stoppeth freting & spreading soars, taketh away superfluous flesh in any Ulcer or Fistula, and eateth out the callous or hard flesh thereof, and is good in Ulcers & sores of the Eyes: mixed with Hony and used, it consumes the fleshinesse in the nose called Polypus, and helps the Disease in the fundament called a Fig. It cures Cankers and sores in the mouth being used with Hony and Plantaine water for a Gargarisme. It is thought Achilles first used this Medicine in the cure of Telephus: and therefore Achilles is commonly painted, scraping off the rust of his Spheare head, with his Sword, into the wound of the said Telephus. It is a drying astringent, and corrosive Medicine. It cures Kibes in cattell, being mixed with Soap or Hogs-greace. Pliny. Nat. Hist. lib. 25. cap. 5. fo. 216.