This section is from the book "Botanic Drugs Their Materia Medica, Pharmacology and Therapeutics", by Thomas S. Blair. Also available from Amazon: Botanic Drugs, Their Materia Medica, Pharmacology and Therapeutics.
Yerba Santa, Eriodictyon Californicum. Official only in the U. S. The fl. is given in an average dose of 15 minims, usually in maltine or other thick extract of malt, in chronic or subacute bronchial affections. The aromatic fl. yerba santa is an admirable agent to mask the taste of quinine.