464 
Ml Y AC HI. 
II. Thea chinensis (b) a) 
Total nitrogen in fresh leaves. 
a). 0.9435 g. of dry matter contained 0.0242983 g. of nitrogen 
( = 14.2 c. c. baryta water 1 (2) ) — 2.575 %• b). 0.9435 g. of dry 
matter contained 0.0242983 g. ( = 14.2 c. c. baryta water) 
= 2.575 % ; average 2.575 % nitrogen. 
Protein nitrogen in fresh leaves. 
a). 0.9435 g. of dry matter contained 0.0203627 g. of nitrogen 
(=11.90. c. baryta water) = 2.158 %. b). 0.9435 g. of dry mat¬ 
ter contained 0.020191570 g. (=11.8 c. c. baryta water) = 2.140%. 
average 2.149%, of protein nitrogen. 
Theine nitrogen in fresh leaves. 
a). 4.7175 g. of dry matter yielded 0.045 g. theine 
(=0.0130412 g. theine nitrogen ( = o.2y6°/ 0 nitrogen, b). 4.7175 g. 
of dry matter yielded 0.049 g. theine ( = 0.0141958 g. nitrogen) 
= o.30i°/o ; average 0.288 % theine nitrogen. 
Total nitrogen in starved leaves. 
a.) 0.8951 g. of dry matter contained 0.0285762 g. of nitrogen 
( = 16. c.c. baryta water) = 3.192 %. b). 0.8951g. of dry mat¬ 
ter contained 0.0284906 g. (=16.65 c * c - baryta water) = 3.i83 % ; 
average 3.187%. 
Protein nitrogen in starved leaves. 
a). 0.8951 g. of dry matter contained 0.0194216 g. of nitrogen 
(=11.35 c.c. baryta water) =2.169 % nitrogen. b).. 0.8951 g. 
of dry matter contained 0.0195927 g. (=11.45 c * c * baryta water) 
= 2.189%; average 2.179%. 
Theine nitrogen in starved leaves. 
a). 44755 g. of dry matter yielded 0.0635 g. theine 
( = 0.019195 g. theine nitrogen) = 0.428 % theine nitrogen, b). 
4.4755 g. of dry matter yielded 0.0695 g. theine (=0.0200618 g. 
theine nitrogen) =0.448 % theine nitrogen ; average 0.438 %. 
(1) These old leaves were collected in May 1896. 
(2) 10 c. cm. of the standard sulphuric acid corresponded to 21.6 c. cm. of the stand¬ 
ard baryta water and i.c. cm. of the baryta water corresponded to 0.00171115 g. of 
nitrogen. 
