5-20 grs. Kino Comp.; dose, 10-20 grs. Scammonii Comp.; dose, 10-40 

 grs. Cretae Aromaticus cum Opio, Cinnamomi Comp.; dose, 10,60 grs. 

 Cretae Aromaticus; dose, 20-40 grs. Catechu Comp.; dose, 20-60 grs. 

 Jalapae Comp., Rhei Comp., Tragacanthae Comp.; dose, 60-120 grs. Gly- 

 cyrrhizae Comp.; dose, (60-120 grs.). Amygdalae Comp.; Sodae Tar- 

 taratae Effervescens, q.v.) 



Pyrethri Radix. The dried root of Anacyclus Pyrethrum. Pieces 

 2-4 inches in length, % inch or more in diameter, nearly cylindrical or 

 tapering towards each end: outer surface brown and wrinkled; odour 

 characteristic, taste pungent and exciting a copious flow of saliva. 



Tinctura Pyrethri. 20; Alcohol 70% 100: by percolation. 



Pyroxylinum. Pyroxylin. % (Di-nitro-cellulose). Soluble readily 

 in equal parts of ether and alcohol. 



Collodium. Collodion. 2; Ether, 72; Alcohol, 24. 



^ollodium Flexile. 96; Canada Turpentine, 4; Castor Oil, 2- 

 Collodium Vesicans. Blistering Collodion. 2.5; Blistering 

 liquid, 100. 



Quassise Lignum. The wood of the trunk and branches of 

 Picreena excelsa. Imported in logs. Retailed in chips of a yellowish- 

 white colour, very light and with a persistently bitter taste. As this bitter 

 contains no tannin it may be prescribed with iron. 



^nfusum Quassiae. Dose, #-1 fl. oz. ; 15-30 c.c.-l ; Water, 100. 



3 Liquor Quassiae Concentratus. Dose, >-! fl. dr.; 2-4 c.c. 

 10; Alcohol, 100; an alcoholic extract. 



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

 10; Alcohol 45%, 100: by maceration. 



Quillaia Cortex. Quillaia Bark. (Panama Bark). The inner 

 bark of Quillaja Saponaria. In large flat pieces, 1/6 inch thick and 2 

 feet or more long, the outer surface is brownish; the inner, smooth and 

 white or yellowish-white: the taste is astringent and acrid, the powder 

 irritating to the nostrils. 



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

 5; Alcohol, 100; by percolation. 



Quinina (see Cinchona p. 51). 



RESINA. RESIN. The residue left after the distillation of the oil 

 of turpentine from the crude oleo-resin of various species of Pinus. Trans- 

 lucent, of a light amber colour, compact, brittle, pulverisable. Soluble in 

 alcohol, ether, benzol, and carbon disulphide. 



87 



