CAN OLD LEAVES OF PLANTS PRODUCE ASPARAGINE. 463 
a). 1.8182 g. of dry matter contained 0.063372 g. of nitrogen 
( = 33-8 e ' c ’ baryta water) = 3.485%. b). 1.8182 g. of dry matter 
contained 0.062997 g. ( = 33.6 e ' e - baryta water) = 3.465% ; average 
3 - 475 %- 
Protein nitrogen in fresh leaves. 
a). 1.8182 g. of dry matter contained 0.05182 g. of nitrogen 
( = 27.64 e - c - baryta water) = 2.850%. b). 1,8182 g. of dry matter 
contained 0.05182 g. ( = 27.64®’°* baryta water) = 2.850% ; average 
2.850%. 
Asparagine nitrogen in fresh leaves. 
a). 9.0910 g. of dry matter contained 0.0091670 x 2 = 0. 018334g. 
of nitrogen ( = 4.9 X 2 — 9.8 e - c - baryta water) = 0.202%. b). 
9.0910 g. of dry matter contained 0.009000 x 2=0.018000 g. ( = 4.8 
X2 = 9.6 c - c - baryta water) = 0.199% 5 average 0.201%. 
Theine nitrogen in fresh leaves. 
a). 4.5455 g. of dry matter yielded 0.046 g. theine( = o.oi 3278g. 
theine-ni trogen) = 0.292% nitrogen. b). 4.5455 g. of dry matter 
yielded 0.043 S- theine ( = 0.01241 g. theine-nitrögen) = 0.273% 
nitrogen ; average 0.283% nitrogen. 
Total nitrogen in starved leaves. 
a). 1.81730 g. of dry matter contained 0.072586 g. nitrogen 
( — 38.7 e - c -baryta water) = 3.992 °/o • b). 1.81730 g. of dry matter 
contained 0.072371 g. ( = 38.6 e - cm - baryta water) = 3.983% nitrogen. 
Protein nitrogen in starved leaves. 
a). 1.81730 g. of dry matter contained 0.045823 g. nitrogen 
( = 24.44 e - c * baryta water) = 2.52i°/o- b). 1.81730 g. of dry matter 
contained 0.045448 g. (= 24.24 e - e- baryta water) = 2.501 % ; 
average 2.511 °/ 0 . 
Asparagine nitrogen in starved leaves. 
a). 4.54325 g. of dry matter contained 0.00394 x 2 = 0.00788% 
nitrogen (=10.5x2 = 21. c. c. baryta water) = 0.8666%. b). 
4.54325 g. of dry matter contained 0.00394 x 2 = 0.00788 g. = (10.5 
x 2 = 21. c. cm. baryta water) = 0.8666 % ; average 0.8666% 
nitrogen. 
Theine nitrogen in starved leaves. 
a). 4.54325 g. of dry matter yielded 0.058 g. theine 
( = 0.016742 g. theine nitrogen.) = 0.368% nitrogen, b). 4 54325 g. 
of dry matter yielded 0.055 g. theine ( = 0.015777 g. theine nitro¬ 
gen) =0 348 % nitrogen average 0.358 % of theine nitrogen. 
