Thus have you the way of making Conserves, the way of keeping of them is in Earthen pots.
Nicholas CulpeperThe barks of trees are best gathered in the spring, if it be of great trees, as oaks or the like, because they come easiest off, and so you may dry them if you please, but indeed your best way is to gather all barks only for present use.
Nicholas CulpeperThe roots and herbes beaten and put into new ale or beer and daily drunk, cleareth, strengtheneth and quickeneth the sight of the eyes.
Nicholas Culpeper