Hydrastine

C21H21NO. Mpt. 135° C. Alkaloid, obtained from the root of the Golden Seal; colorle crystals, extracted from the root by ether; used in pharmacy on account of its numbing effect upon the mucous membrane. See BER BERINE. Hydrates, Obsolescent name for HYDROXIDES (q.v.). It is still used to indicate compounds containing water of crystal IMG:content-0698.png:[graphic]