8O COOLWORT COPAIBA. 



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

 water is the best form of administration. 



Distinctive character Rhizome about i-i^ inch 

 long and f inch thick, reddish brown, rough, with leaf 

 scars, nearly cylindrical, tapering suddenly at the end 

 into a tail-like root furnished with numerous curled, wiry, 

 reddish brown roots, and 2-3 inches long. Transverse 

 section horny, showing a thick bark, narrow interrupted 

 ring of wood and a large horny pith. Taste, slightly 

 aromatic, becoming acrid on mastication, causing a flow 

 of saliva. Odour, not unpleasant. 



COOLWORT. Tiarella cordlfolia, Linn. 



N.O. Saxifragacece. 

 Syn. 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 dis- 

 orders it acts as a tonic and counteracts acidity of the 

 stomach. The infusion of i ounce to i pint of boiling 

 water is taken frequently in doses of a wiueglassful. 



Distinctive character Leaves with long slender 

 stalks, heart-shaped, 2^ to 4^ inches wide, radiate- veined 

 with 5-12 sharp lobes, which are irregularly toothed, 

 the teeth having a sharp point. Taste, faintly astrin- 

 gent. Inodorous. 



COPAIBA. Copalfera Langsdorffil, Desf. 



N.O. Leguminoses. 



Syn. Copaiva, Capivi, Balsam Copaiva, Balsam 

 Capivi. 



_, . iliiH 



Part used Oleoresm. 



Action Stimulant, diuretic, cathartic. Used in 

 excessive mucous discharges, as in chronic gonorrhoea, 

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



