Dose, in powder, 1 - 4 grs.; 6 - 25 cgms.

The dried ripe seeds of Strychnos Nux-vomica. Nearly disc-shaped, greyish in colour, 3/4 - 1 inch in diameter, and 1/4 inch thick; concavoconvex nearly flat, but sometimes irregularly bent; taste bitter.

1Extractum Nucis Vomicę Liquidum. Dose, 1 - 3 min.; 0.06 - 0.2 c.c.

An alcoholic extract standardised to contain 1.5 gr. of strychnine in 110 min.

1Extractum Nucis Vomicae. Dose 1/4 - l gr.; 15 - 60 mgms. The liquid extract evaporated and Milk-sugar added, and standardised to contain 5% of strychnine.

1Tinctura Nucis Vomicę. Dose, 5 - 15 min.; 0.3 - 1 c.c. - 16.6; Water, 25; Alcohol to 100. Contains 1/4 gr. strychnine in 110 min.