THE MICROSCOPE. 



189 



all or nearly all the powdered vegetable drugs of a retail drug store. 

 The drugs examined were as obtained from the different wholesale 

 druggists when bought in bulk. Some of the powders also had 

 been in stock for a number of years, having been bought before the 

 various states enacted laws against the adulteration of drugs. The 

 following: shows the result of the examination : 



Drugs. 



Pure. 



Adulterated. 



Powdered Acacia 



" Aconite root 



" Asafoeiida 



" Ba> berry bark, . . . 



" Blood root 



" Buchu leaves 



" Berberis vulgaris.. 



*' Canella bark 



" Colombo 



" Capsicum 



" Cubebs 



" Cherry bark (wild). 



" Cimicifuga 



" Cloves 



" Cinnamon 



" Digitalis 



" Euphorbium 



" Elm bark 



" Fenugreek seed... 



" Guarana 



" Gentian 



" Gamboge 



Ginger root 



Golden Seal. . . , 

 Indian turnip... 



Ipecac 



Jalap 



Lobelia 



Liquorice root.. , 

 Mustard seed.. . 



M>rrh 



Mandrake 



Nux V'Miiica. . . . 



Nut Galls 



Puke root 



Poplar bark 



Rhubarb 



Senna 



Saisaparilla 



Serpeniaria 



Skunk cabbage. 

 Valerian root... 



Pure. 

 Pure. 



Pure. 

 Pure. 

 Pure. 

 Pure. 

 Pure. 

 Pure. 

 Pure. 

 Pure, 

 Pure. 

 Pure. 



Pure. 

 Pure. 



Pure. 

 Pure. 



Pure. 

 Pure. 

 Pure. 

 Pure, 



Pure. 

 Pure. 



Pure. 



Pure. 

 Pure. 

 Pure. 



Pure. 

 Pure. 

 Pure. 

 Pure, 



Adulterated. 



Nature undetermined. 



Starch and undetermined matter. 



Wheat flour, large per cent. 

 Corn meal, large per cent. 



Inferior gum, containing crystal."? 

 of silica. 



Undetermined vegetable matter. 



Wheat flour, turmeric. 

 Wheat flour. 



Large per cent, wheat flour. 

 Adulterated. 



Wheat flour. 



