430 



THE MICROSCOPE. 



fig. 207. 

 Structure and character of genuine ground Coffee : after Hassall. 



fig. 208. 



Sample of Coffee adulterated with loth Chicory and Roasted Wheat : after Hassall. 

 a a a, small fragments of coffee j 1 1 b, portions of chicory ; c c c, starch-granules of wheat. 



