DRUGS. 75 



described would yield at the expiration of three years 5,000 

 pounds of green tubers, which, when thoroughly dried, 

 would give 1,000 pounds of jalap powder. In Jamaica a 



similarly successful trial was made in 1881 in the culture of 

 jalap ; five acres of land were also planted in this island, and 

 the crop yielded 3,000 pounds of green tubers, resulting in 

 1,077 pounds of cured jalap. Care in drying or curing the 



