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 -i 
0.0159 
i .91 
Sodium nitrate . 
1.288 
7-7 
0.0231 
1.79 
Urea and Sugar. 
0.770 
5-2 
0.0162 
2.11 
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 waterC 1 ) 
replaced. 
Nitrogen 
found. 
Percentage of 
nitrogen (J 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 
0.0031 
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 1 c.c. baryta solution = 0.0031245 gram 
nitrogen. 
