26 



TRANSLOCATION OF PLANT FOOD IN WHEAT SEEDLINGS. 



for the production of pentosans in the axes. Besides this amount, 

 however, which has been translocated to the plant, there has been 

 produced in the axes, through assimilation, an amount equal to 50 

 per cent of the original amount in the seed, produced in all probability 

 at the expense of the sugars. 



TABLE 11. Pentosans found in residual seeds and axes when grown in solutions contain- 

 ing one nutrient. 



1 Probable error; no sample for check analyses. 



