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 concrete turpentine which is scraped off the trunks of Pinus aus-tralis and Pinus Taeda. Southern States of North America.
Characters. - A softish bright yellow opaque solid, resinous but tough, having the odour of American turpentine.
B.P. Emplastrum Picis.
Use. - Applied externally is a slight stimulant. Contained in pitch-plaster.