GUAIACUM. 213 



Characters. In quills or broken pieces, hard, of a yellowish- 

 white or pale-orange colour, somewhat lighter on the internal 

 surface. It has an aromatic clove-like odour, and an acrid 

 peppery taste. 



Composition. Canella contains a bitter principle and an 

 aromatic oil. 



Canella Alba is contained in Vinum Ehei. (See Rhei Radix, 

 page 318.) 



ACTION AND USES. 



Canella alba is an aromatic bitter stomachic and tonic, like 

 cascarilla and cinnamon. The action and uses of this class of 

 remedies is fully described under Calumba Radix, page 181. 



Uvae RAISINS. The ripe fruit of Yitis vinifera. 

 the Grape Vine, dried in the sun or with artificial 

 heat. Imported from Spain. 



Composition. Raisins contain grape sugar, acid tartrate of 

 potash, other vegetable acids, etc. 



Raisins are contained in Tinctura Cardamomi Composita and 

 Tinctura Sennae. 



ACTION AND USES. 



Raisins are demulcent, refreshing and nutrient, but are 

 employed in medicine chiefly as sweetening and flavouring 



ZYGOPHYLLACE^. 



Ouaiaci L.igimm GUAIACUM WOOD. The 

 wood of Guaiacum officinale. Imported from St. 

 Domingo and Jamaica, and reduced by the turning 

 lathe to the form of a coarse powder or small chips. 



Guaiaci Lignum is an ingredient of Decoctum Sarsas Com- 

 positum. (See Sarsce Radix, page 354.) 



Guaiaci Resina GUAIACUM RESIN. The resin 

 of Guaiacum officinale. Obtained from the stem by 

 natural exudation, by incisions, or by heat. 



Characters. In large masses of a brownish or greenish- 

 brown colour ; fractured surface resinous, translucent at the 



