This section is from the book "A Treatise On The Materia Medica And Therapeutics Of The Skin", by Henry G. Piffard. Also available from Amazon: A Treatise On The Materia Medica And Therapeutics Of The Skin.
A. Diaphoretic, 10, 1: 604.
The only officinal preparation is the Oleum Hedeomae, which is sometimes used to protect the skin from the attacks of the "black fly" of the Adirondacks, and from other insects.
 
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