Sentence:  ... If you would have them Purging, put Honey to them inſtead of Sugar; and if more Laxative, for Choler, <WSD>Rhubarb</WSD>; for Flegm, Turbith, for watry Humours, Scammony: but if more forcibly to bind, uſe the unripe Quinces with Roſes, and Acacia, or Hypociſtis, and ſome torrefied <WSD>Rhubarb</WSD>. 
Meaning of the word marked with <WSD> tags:  The dried rhizome and roots of (noshow=1) ('''Chinese rhubarb''') or (noshow=1) ('''Tibetan rhubarb'''), from China, used as a laxative and purgative.