STRAMONIUM 



385 



CONSTITUENTS. Daturine 0.2 per cent., which, according to Laden- 

 burg, is a mixture of atropine and hyoscyamine, with the latter usu- 

 ally predominating; it is said to be stronger than atropine. Ash, 

 not to exceed 20 per cent. 



ACTION AND USES. Stramonium acts similarly to belladonna in every 

 particular, but more strongly, and chiefly on the sympathetic system. 



FIG. 220. Datura stramonium Branch showing flower and fruit. 



without affecting the motor or sensory nerves. Its chief use is in 

 asthma, the powdered leaves being sprinkled with a solution of 

 potassium nitrate, dried, and smoked in a pipe, or ignited and the 

 smoke inhaled. Dose: i to 5 gr. (0.065 to 0.3 Gm.). 

 OFFICIAL PREPARATIONS. 



Tinctura Stramonii, 



Unguentum Stramonii. 



Dose: njf 8 (0.5 mil). 



\ 8S; % 





508. STRAMONII SEMEN. Off. in U.S.P. 1890. Small, somewhat reniform, 

 flattened seeds, with a blackish testa covered with small indentations; the 

 embryo, curved parallel with the convex edge of the seed, is imbedded in 

 a whitish, oily albumen. Inodorous in the whole state, but with a peculiar 

 disagreeable odor when crushed; taste oily, slightly acrid, bitter, and nause- 

 ous. Constituents: Daturine 0.3 per cent., combined with malic (daturic) 



