This section is from the book "A Treatise On Therapeutics, And Pharmacology Or Materia Medica Vol1", by George B. Wood. Also available from Amazon: Part 1 and Part 2.
This is made in the proportion of four ounces of the dried leaves to two pints of diluted alcohol. It is an efficient preparation, if made from recently dried leaves. The dose is fifteen or thirty drops, or half the number of minims, to be increased as the other preparations.
Not more than one-sixth or one-eighth of the doses above mentioned should be given at first to a child two years old.