52 CALUMBA CAMPHOR. 



Fracture, minutely fibrous; the fibres are seen to be very 

 short when the transverse surface is abraded by the 

 finger nail. Taste, bitter. Odour, very slight. 



CALUMBA. Jateorhlza Columba, Miers. 



N.O. Mtnispevmacea. 



Syn. Cocculus palwatus, D. C., Colombo. 

 Part used Root. 



Action Tonic, febrifuge. A bitter tonic without 

 astringency. Valuable in all cases of dyspepsia, weak- 

 ness of stomach, &c. An infusion of i ounce in a pint 

 of cold water may be taken in 2 tablespoonful doses 

 three to four times a day. 



The U.S. Dispensatory gives the following as a remedy 

 for accumulation of flatus in the bowels : ^ ounce each 

 powdered Calumba and Ginger, i drachm Senna. 

 Infuse in i pint boiling water. Dose, a wineglassful 

 three times a day. 



Preparations Powdered root : Dose, 10-15 grains. 

 Fluid extract : Dose, 10-30 drops. Infusion B.P. : Dose, 

 J-i oz. Tincture B.P. and U.S. P.: Dose, -1 drachm. 

 Solid extract : Dose, 2 grains. Powder extract : Dose, 

 2 grains. Cone. Solut. B.P. : Dose, -1 drachm. 



Distinctive character Root in circular sections 

 about i-2^ inches in diameter and inch or more in 

 thickness, the centre usually depressed. Bark thick, 

 outer surface greyish brown, transverse section yellowish, 

 rather darker in the bark, vascular bundles in radiating 

 lines. Fracture short and mealy. Taste, mucilaginous, 

 very bitter. Odour, slight. 



CAMPHOR. 



Cinnarnomum Camphora, T. Nees and Eberm. 



N.O. Lauvacece. 



Syn. Gum Camphor, Laurel Camphor, Laurus 

 Cauiphora, Linn., Camphora officinarum, Nees. 



Action Sedative, anodyne, antispasmodic, dia- 

 phoretic, anthelmintic. Internally, Camphor is used in 



