22 CAMPHORA. CHLORALUM HYDRATUM. 



Incompatibilities : 



What results from triturating I Gm. Camphor with an equal amount of chloral, 



menthol, or salol ? 



Camphor is principally useful as a mild counterirritant. Its use internally does 

 not seem justified by any of its known reactions. 



The official Camphora Monobromata is superfluous. 



CANNABIS. 



The Cannabis, or Indian Hemp of commerce, consists of the dried flowering tops 

 of the pistillate plants of Cannabis sativa and C. indica (Fam. Moracece). It contains 

 a resin, Cannabin. 



Properties of powdered Cannabis : 



Appearance 

 Color .. 



Odor ..... 



Taste _ 



Examine microscopically for pollen grains 



Miscibility with H 2 O (use the tincture) 



Cannabis may be used as a cerebral sedative and hypnotic whenever the use of 

 opium for that purpose seems inadvisable. It is efficient in only about 50% of all cases. 

 Official preparations are : the Extract, the Fluidextract, and the Tincture. 



CASCARA SAGRADA. 



Cascara consists of the dried bark of Rhamnus Purshiana (Fam. Rhamnaceoe) , 

 a small tree of Northern California. 



Properties of the powdered bark : 



Appearance 

 Color .. 



Odor 

 Taste 



Cascara is used as a mild laxative to correct habitual constipation. Dose, i Gm. 

 The official preparations are: the Extract, the Fluidextract and the Aromatic 

 Fluidextract. 



CHLORALUM HYDRATUM. 



Chloral is the hydrated product of trichloraldehyde (CClsCOH + H^O). 

 Properties: 



Appearance 



Color .... 

 Odor .. 



Taste .. 



Solubility : 

 H 2 ... 



C 2 H 5 OH 

 Olive oil ... 



Incompatibilities: To Chloral Hydrate, T. S., add 



NH 4 OH, T. S. ... 

 NaOH, T. S. . 



KI, T. S 



Quin. Sulph., T. S 



