374 Carhohjfd rates of the Leaf of the Potato 



removed by the ordinary treatment with basic lead acetate. The 

 quantity of the reducing sugars is so small that the error introduced 

 in this way becomes relatively very great ; a large difference too is seen 

 between the results for dextrose and laevulose according as the pentose 

 is assumed to be arabinose or xylose. This is not because the pentose 

 is actually present in large amount (it ranges only from 0-35 to 0-52 



Table IV. 



Apparent Dextrose and Laevulose in Potato Leaves. 

 July 10th-17th, 1914. 



Table V. 



Apparent Dextrose and Laevulose in Potato Stalks. 

 July 16th-17th, 1914. 



