This section is from the book "A Text-Book Of Pharmacology, Therapeutics And Materia Medica", by T. Lauder Brunton. Also available from Amazon: A text-book of pharmacology, therapeutics and materia medica.
The husked seeds of Hordeum distichon. Britain.
Characters. - White, rounded, retaining a trace of the longitudinal farrow.
Decoctum Hordei. Barley Water. - Pearl barley, 2 oz.; boiling water, 30 fl. oz. The barley is first washed well in cold water, which is thrown away, and then the barley is boiled for twenty minutes and strained.
Use. - The decoction is used as a demulcent drink.