81 



fte^ 



Uses. — A mild and certain cathartic, intermediate in its action be- 

 tween laxatives and purgatives. The more it is free from colour, 

 smell, and taste, the better ; soluble in cold alcohol ; particularly 

 applicable to cases of children and pregnant women ; also in irri- 

 tated and inflamed bowels, colic, dysentery, and diarrhoea. Ordi- 

 nary dose fSj, though less will frequently operate. Infants require 

 a larger proportionate dose than adults, in consequence of their 

 digesting it. Maybe given in boiling milk, hot cofl?ee, &c. ; but 

 best in tlie froth of porter or ale ; also as an emulsion. 



Li?iseed oil and melted butter may be substituted for castor oil. 



Rhubabb. — (Rheum, U. S.) 

 Root of different species of Rheum, growing in Tartary and other 



