3 Liquor Sennae Concentratus. Dose, 30-60 min. ; 2-4 c.c. 

 100; Tincture of Ginger, 12.5 ; Alcohol, 10 ; Water, to 100: by 

 repeated percolation. 



J Syrupus Sennae. Dose, #-2 fl. dr.; 2-8 c.c. 



40; Oil of Coriander, 0.02; Alcohol, 0.08; Sugar, 50; Alcohol, 20%, 70; 

 Water, q.s. : by repeated maceration, evaporation, and solution. 



2 Tinctura Sennae Composita. Dose, if repeated, 30-60 min.; 

 2-4 c.c.: for a single administration 2-4 fl. dr.: 8-16 c.c. 

 20; Raisins, 10; Caraway Fruit, 2.5; Coriander Fruit, 2.5; Alcohol 45%, 

 100: by maceration. 



Serpentaria Rhizoma. Serpentary Rhizome. The dried rhizome 

 and roots of Aristolochia Serpentaria or of A. reticulata. The rhizome 

 of A. Serpentaria is tortuous and slender about 1 inch long and 1/8 in 

 diameter, bears on its upper surface remains of aerial stems and on the 

 lower numerous wiry roots. A. reticulata is similar but the rhizome is 

 larger. Odour camphoraceous, taste strong, bitter, and aromatic. 



Infusum Serpentariae. Dose, l / 2 -\ fl. oz.; 15-30 c.c. 

 5; boiling Water, 100. 



Liquor Serpentariae Concentratus. Dose, #-2 fl. dr.; 2-8 c.c. 

 50; Alcohol, 20%, 100: by percolation. 



Tinctura Serpentariae. Dose, 30-60 min.; 2-4 c.c. 

 20; Alcohol, 70% 100: by percolation. 



Sevum PrcBparatum. Prepared Suet. The internal fat of the ab- 

 domen of the sheep, Ovis aries, prepared by melting and straining. 



Sinapis. Mustard. The dried ripe seeds of Brassica nigra and 

 B. alba powdered and mixed. A greenish yellow powder, with a bitter 

 pungent taste, and a pungent odour when moist. 



l Charta Sinapis. Mustard Paper. The bruised seeds are per 

 colated with benzol to remove the fixed oil. The residue is dried, powder- 

 ed, mixed with the solution of India rubber and spread upon cartridge 

 paper and dried. 



Sinapis Alba Semina. White Mustard Seed. The dried ripe seeds 

 of Brassica alba. Very small, pale yellow seeds, in taste less pungent than 

 the black mustrad. 



Sinapis Nigra Semina. Black Mustard Seed. The dried ripe 

 seeds of Brassica nigra. Very small, dark brown, spherical seeds: taste 

 bitter and pungent: odourless until ground with water, when the sini- 

 grin is broken up by the ferment myrosin, and the pungent volatile oil, 

 allylisothiocyanate is produced. 



93 



