Note 87 — Counterfeit Tea-Leaves.
Reading edition
Mr. Twining, an eminent tea-merchant, asserts, that "the leaves of spurious tea are boiled in a copper, with copperas and sheep's dung."—See Encyclop. Britan. vol. xviii. p. 331. 1797. See also the History of the Tea Plant, p. 48; and p. 167 of this Treatise.