434 SUZUKI ; 



POTATO SHOOTS. (I). 



ALBUMINOID NITROGEN. 



Plants in 



Dry matter 

 used. 



Baryta water (D 

 replaced. 



Nitrogen 

 found. 



Percentage of 

 nitrogen. 





Gram. 



c. c. 



Gram. 





Urea 



0.834 



5-1 



0.0159 



1. 91 



Sodium nitrate 



1.288 



7-7 



0.0231 



1.79 



Urea and Sugar 



0.770 



5-2 



0.0162 



2.1 1 



Sod. nitrate and Sugar 



0.635 



3-7 



0.0116 



1.80 



Control plants 



0.641 



3-9 



0.0122 



1. 91 



Original plants 



0.645 



4-5 



0.0141 



2.18 



ASPARAGINE NITROGEN. 



Plants in 



Dry matter 

 used. 



Baryta watert 1 ) 

 replaced. 



Nitrogen 

 found. 



Percentage of 

 nitrogen (£ asp. 

 nitrogen.) 





Gram. 



c. c. 



Gram. 





Urea 



0.834 



2.2 



0.0069 



0.82 



Sodium nitrate 



1.288 



2.0 



0.0062 



0.48 



Urea and Sugar 



0.770 



1-7 



0.0053 



0.69 



Sod. nitrate and Sugar 



0.635 



1.2 



0.0037 



0.59 



Control plants 



0.641 



1.0 



0.C031 



0.49 



Original plants 



0.645 



0.7 



0.0022 



0.34 



(1) 5 c.c. of the standard sulphuric acid were equivalent to 22 c.c. baryta solution and 

 yielded 0.5695 gram barium sulphate. Hence I c.c. baryta solution =0.0031245 gram 

 nitrogen. 



