Botanic Remedies 189 



staining fabrics which are in contact with discharges 

 from patients taking the drug. It is used success- 

 fully in tuberculous diarrhea and other relaxed con- 

 ditions of the bowels. 



The decoction is used in doses of one or two 

 ounces; the extract, 10 to 30 grains; fluidextract 

 not on the market. See "Tannic Acid." 



HUMULUS 



HOPS, the strobiles of Humulus lupulus. Official 

 in France, Mexico, Spain, and the U. S. 



Contains a volatile oil, valerol, and a bitter prin- 

 ciple. Valerol is mildly and irregularly soporific. 

 The unimportant acid constituent has littje effect 

 when given by mouth. 



THERAPEUTICS. A tonic in dyspepia and irritable- 

 stomach. LUPULIN, the oleoresin, is somewhat nar- 

 cotic and is a mild sexual sedative, used in hysterical 

 and irritative sexual reflexes. Spermatorrhea, pri- 

 apism, and chordee are more or less amenable to 

 relief by lupulin, but it is seldom that the drug has 

 a satisfactory influence without local attention also. 



The fl. humulus is given in doses of 5 to 10 minims; 

 the fl. lupulin in 3 to 8 minims, and lupulin itself 

 in doses of 3 to 8 grains. Various malt tonics are 

 effective partly from the hops therein. 



HYDRASTIS 



GOLDEN SEAL, YELLOW ROOT, Hydrastis canaden- 

 sis. Universally official. 



PHARMACOLOGY. The isoquinoline alkaloid, hy- 

 drastine, is the active agent in hydrastis; but ber- 

 berine and canadine are also present. 



HYDRASTINE increases reflex excitability similar 



