Our own opium: cultivation of the opium poppy in Britain, 1740-1823.
D049671:History, 18th Century; D049672:History, 19th Century; D009892:Opium / Q000266:history; D010207:Papaver / Q000254:growth & development*; D010946:Plants, Medicinal; D006113:United Kingdom
D009892:Opium