430 



THE MICROSCOPK. 



fig. 207. 

 Structure and character of genuine ground Coffee : after Hassall. 



tig. 208. 



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



a a a, small fragments of coffee 'jbhl, portions of chicory ; ccc, starch-granules of wheat. 



