238 RHUBARB, ENGLISH RICE. 



B.P. : Dose, 2-8 grains. Infusion B.P. : Dose, |-i 

 ounce. Syrup B.P. and U.S. P. : Dose, $-2 drachms. 

 Aromatic syrup U.S. P. : Dose, 2 drachms. Rhein : 

 Dose, 1-4 grains. 



Distinctive character Chinese Rhubarb occurs 

 in brownish yellow pieces of various size, usually per- 

 forated with a hole containing a piece of the cord used 

 for hanging it up for drying. The outer surface is 

 usually powdery, presents a convex or sometimes a 

 sliced appearance, and exhibits more or less a network 

 of white lines. Taste, nauseous, astringent. Odour, 

 characteristic. 



RHUBARB, ENGLISH. 



Rheum rhaponticum, Willd. 



Part used Root. N -- 



Action Stomachic, aperient. Similar in action to 

 Turkey Rhubarb, though milder. Is especially useful 

 in infantile stomach troubles and looseness of bowels. 

 In fairly large doses it acts as a laxative. 



Preparation Powdered root : Dose, 5-60 grains. 



Distinctive character English Rhubarb, derived 

 from Rheum rhaponticum, Willd., or from Rheum officinale, 

 Baill., presents a shrunken surface and the transverse 

 section shows that the bark has not been removed as in 

 the Chinese drug. When holes are present, they are 

 round and clean, evidently made with a rat's-tail file. 

 The English Rhubarb, from Rheum rhaponticum, shows 

 red veins, and that of R. officinale blackish veins ; the 

 latter is usually in larger pieces. 



RICE. Oryza sativa, Linn. 



N.O. Graminocea. 

 Part used Seeds. 



Action Nutritive, demulcent. Boiled rice is very 

 useful in disorganized digestion, in bowel derangements, 



