BUCHU FOLIA. BUCHU LEAVES. The dried leaves of Barosm* 

 Betulina. Rhomboid ovate, yellowish-green leaves, with a denticulate 

 margin, almost glabrous surface, with many oil glands upon it; odour and 

 taste strong and characteristic, especially when crushed. 



^nfusum Buchu. 1-2 fl. oz.; 30-60 c.c. 

 5; boiling Water, 100. 



2 Tinctura Buchu. Dose, 30-60 min.; 2-4 c.c. (Contains alcohol 

 60%.) 



Butyl-Moral Hydras, Butyl-chloral. Dose, 5-20 grs.; 3-12 dgms. 

 Trichlorbutylidine-glycol, CH 3 CHC1.CC1 2 CH (OH) 2 . Pearly white lam- 

 inar crystals, with a pungent odour and an acrid nauseous taste. Solu- 

 ble 1 in 50 of water; 1 in 1 of glycerine; 1 in 1 of alcohol. 



Incompatibles, water (decomposes if kept in aqueous solution for a 

 long time), alkalies (freeing chloroform); if triturated with acetamide, 

 carbolic acid, menthol and urethane it liquifies. 



CAFFEINA. CAFFEINE. (Theine). Dose, 1-5 grs.; #-3 dgms. 

 An alkaloid obtained from the leaves of Camellia Thea (the tea plant) 

 and from beans of Coffea Arabica (coffee). Colourless inodorous acicu- 

 lar silky crystals. Soluble, 1 in 80 of cold, readily in boiling water; 1 in 

 40 of alcohol. 



Incompatibles, tannic acid, mercuric salts. (Compatible with other 

 alkaloidal precipitants.) 



1 Caffeina3 Citras. Dose, 2-10 grs.; 1-6 dgms. 



A white odourless powder, with an acid faintly bitter taste, and an acid 

 reaction when in solution. Solubility, 1 in 32 of water, with 3 parts of 

 water gives a syrupy solution, 1 in 22 of alcohol. 



^affeinae Citras Effervescens. Dose, 60-120 grs.; 4-8 gms. 

 4; Sodium Bicarbonate, 51; Citric acid, 18; Tartaric Acid, 27; Sugar, 14. 



Calcium. Calcium. 



Incompatibles, the hydrate, carbonate, sulphate, phosphate, oxalate, 

 and tartrate are insoluble and in consequence soluble calcium salts are in- 

 compatible with the acids of these salts or with soluble salts of the same. 



iCalcii Carbonas Praecipitatus. Precipitated Calcium Car- 

 bonate. (Precipitated Chalk.) Dose, 10-60 grs.; #-4 gms. 

 A white microcrystalline powder. Insoluble in water. 



^alcii Chloridum. Dose, 5-15 grs. ; 3-10 dgms. 



CaCl 2 , 2H 2 O. White very deliquescent masses, with a bitter acrid taste. 

 Soluble 1 in 1 of water; 1 in 3 of alcohol. 



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