15S DATUHA. No 31. 



tye previous to the operation of Cataract. It is said 

 that the leaves applied to the head, produce sleep 

 and dreams. The plant may be gathered for use at 

 any time ; but it is best when in blossom. All the 

 parts of the plant are efficient even the root; but the 

 seeds contain more Daturln, and are preferable in 



some instances. 



Many preparations are made for internal usej but 

 the distilled water is nearly inert. 'J he powdered 

 ' leaves, juice, extract, decoction, tincture, &:c. are all 

 available; for external use an ointment is made by 

 simmering one pound of fresh leaves in three pounds 

 of lard. The doses for internal use are to be verv 

 small. Dr. Bigelow recommends the following: one 



grai 



gra 



from the seeds; and from 15 to 20 drops of the tinc- 

 ture. Marcet and others say that even one-eighth of 

 % grain is a sufficient dose to begin with. One pound 

 of speds afford two ounces of extract, and one pound 



of leaves three ounces. 



Substitutes — Hi/osciamus niger — Conium tnu- 

 culaium — Laciuca elongata — Solanum Vir^ini- 

 €um and •S'. dulcamara— Cj/pnpedium Sp — Opium 

 and other active narcotics or sedatives. 



