46 CONTRAYERVA — COOLWORT — COPAIBA. 



CONTRAYERVA. Dors tenia Contrayerva. 



Synonym — Dorstenia Braziliensis, D. Houstoni, D. 

 dracena, D. tubicina, D. opifera. 



Part used — Root. 



Action — Diaphoretic, stimulant. The above pro- 

 perties make it a good remedy in typhus fever, dysentery 

 and skin diseases. The powder is taken in doses of 30 

 grains, but the infusion of 1 ounce in a pint of boiling 

 water is the best form of administration. 



COOLWORT. Tiarella cord! folia. 



Synonym — Mitrewort. 

 Part used — Herb. 



Action — Diuretic, tonic. In cases of gravel, suppres- 

 sion of urine, and most complaints affecting the urinary 

 organs, it is very useful. In dyspepsia and liver disorders 

 it acts as a tonic and counteracts acidity of the stomach. 

 The infusion of 1 ounce to 1 pint of boiling water is 

 taken frequently in doses of a wineglassful. 



COPAIBA. Copaifera Langsdorffil. 



Synonym — Copaiva, Balsam Copai va, Capivi, Balsam 

 Capivi. 



Part used — Oleoresin. 



Action — Stimulant, diuretic, cathartic. Used in 

 excessive mucous discharges, as in chronic gonorrhoea, 

 gleet, leucorrhoea, chronic catarrh of bladder, &c. On 

 account of taste is generally given in pill or capsule 

 form, mostly in combination with alkalines or Santal Oil, 

 Cubebs, &c. Dose (B.P.), $-1 drachm. 



Preparation— Oil B.P. : Dose, 5-20 drops. 



