156 



POODS AND FOOD ADULTERANTS. 



table for the detection of starches, $c. Continued. 

 Group III: Hilurn and rings practically invisible Continued. 



Group IV: More or less truncated at one end, 



Round or muller shaped 

 granules and faint circular 

 hilum. 



More frequently truncated 

 than cassia, and smaller. 



Has circular hilum at con- 

 vex end and rings faintly 

 visible. 



Has a- la-ge oval or circular 

 depression, covering one- 

 third nearly of each gran- 

 ule. 



A little over 50 per cent, 

 truncated by one facet, 

 and a pearly hilum. 



Smaller than tapioca and 

 truncated by two facets. 



Not distinguishable from 

 tapioca. 



Larger than tapioca, and 

 contains many more trun- 

 cated granules. 



Smaller than tapioca, more 

 irregular, and hilum not 

 visible. 



Very variable, form and 

 small si^e the only points. 



Like scammony, but ha a 

 visible hilum in most of 

 the granules. 



Like tapioca, but half the 



'About. 



