These clefts are found full of a kind of gum; which, decocted and depurated, is the dragons- blood of the apothecaries.

It drinks better than at first after three or four days, as it depurates by keeping, and is not so sweet.

When wine has been kept some time to depurate in wooden vessels, it deposits, on the side of the vessel, a hard crust of dark coloured matter, the taste of which is sour.

The liver and kidneys are depurating organs, and their use as food is not only unwholesome but often exceedingly poisonous.