SENNA

is a drug with an aperient action and nauseous taste. Tho chief preparations are syrup of senna, dose, one half to two teaspoonfuls; confection of senna, half to one teaspoonful; black draught, two to four tablespoonfuls; and senna tea, two to four tablespoonfuls. Tho last may be prepared by pouring a pint of boiling water on two ounces of senna and a teaspoonful of ginger, and, after allowing to stand in a warm place for half an hour, straining. [s. 406]