84 JALAP — JAMAICA DOGWOOD — JAMBUL. 



JALAP. Ipomaea purga. 



Part used — Root, resin. 



Action — Carthartic, purgative. Used in constipation, 

 pain and colic in bowels and general intestinal torpor. 

 Generally combined with other laxatives and with 

 carminatives such as ginger, cloves, &c. 



Preparations — Powdered root: Dose, 5-20 grains. 

 Powdered resin : Dose, 2-5 grains. Compound powder, 

 B.P. : Dose, 1-2 drachms. Tincture B. P. : Dose, £-1 

 drachm. 



JAMAICA DOGWOOD. Piscldia Erythrina. 



Part used — Bark. 



Action — Anodyne, sedative. Relieves toothache, 

 eases bronchial and consumptive cough. Produces 

 sleep and allays pain and nervous excitement. Un- 

 pleasant results have occurred by overdoses. Generally 

 combined with Black Haw and other remedies in female 

 complaints, &c. 



Preparation — Fluid extract : Dose ; 5-20 drops. 



JAMBUL. Eugenia Jambolana. 



Synonym — Jamboo, Java-Plum, Jambool. 

 Part used — Seeds. 



Action — Astringent, diuretic. This drug has been 

 found very useful in diabetes, as it reduces the amount 

 of sugar present in urine in a very brief space of time. 

 Although not a specific in all cases of diabetes, it 

 promises to be of the greatest value and should be tried 

 whenever an occasion presents itself. 



Preparation— Powdered seeds: Dose, 5-30 grains. 

 May be administered in cachets or capsules. 



