Cascarilla n. (Bot.) A euphorbiaceous West Indian shrub (Croton Eleutheria); also, its aromatic bark.
Cascarilla bark (or Cascarilla) (Med.), the bark of Croton Eleutheria. It has an aromatic odor and a warm, spicy, bitter taste, and when burnt emits a musky odor. It is used as a gentle tonic, and sometimes, for the sake of its fragrance, mixed with smoking tobacco, when it is said to occasion vertigo and intoxication.
...Cascarilla bark, eight drachms; gum benzoin, four drachms; yellow sanders, two drachms; styrax, two drachms; olibanum, two drachms; charcoal, six ounces; nitre, one drachm and a half; mucilage of tragacanth, sufficient quantity. Reduce the substances to a powder, and form ... — Enquire Within Upon Everything - The Great Victorian Domestic Standby • Anonymous