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.
Daphne Mezereum, official in the U. S. P. IX, but dropped by all other countries except Mexico, Japan, and Switzerland. An acrid poison of no use internally and yet for long, and even yet, an ingredient of the compound fluidextract of sarsaparilla and hence alleged to be of service in the treatment of syphilis. What nonsense! As a rubefacient it is vastly inferior to capsicum. Yet the U. S. P. advocates poke fun at the Eclectics and their standards.