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.
Extractum Gossypii Radicis Fluidum................................
1/2-1 fl. dr. (1.9-3.75 c.c.)
Action and Uses. - It is said to cause contraction of the uterus, and is used instead of ergot. It may be given either as the officinal fluid extract or as a decoction made by boiling 4 oz. of the bark in a quart of water down to a pint. Of this a wine-glassful (60 c.c.) is given every 20 or 30 minutes.