22 



U. SUZUKI. 



II. Gingko biloba. 



(a). Etiolated shoots (dried on 



the 15th Ma 



y). 





Dry matter 



Baryta water 



Nitrogen 



Percentage of 





used. 



replaced. 



found. 



nitrogen. 





c.c. 











fl. 0.387 



10.7 



I 





Total nitrogen 







r O.0 117 



3.00 





u „ 



10.9 



) 









10.2 



) 





Albuminoid nitrogen. 



1 1- 0.774 





y 0.0m 



1-44 







10.4 









l«. „ 



i-7 



| 0.0018 





Asparagine nitrogen... 







0.24 





u „ 



i-7 





= \ Asp. N. 



Nitrogen in phospho- 



(I. „ 



1.1 







tungstic precipitate. 







| 0.001 1 



0.14 





u „ 



0.8 







(b). Etiolated shoots were exposed to the day-light (from 

 15th May to 5th June). 



Total nitrogen 



Albuminoid nitrogen. 



Asparagine nitrogen... 



Nitrogen in phospho- 

 tungstic precipitate. 



Dry matter 

 used. 



c.c. 



I- 0.473 



1 . 0.946 



2. 



I- » 

 2. 



I- » 



2. S, 



Baryta water 

 replaced. 



131 

 12.9 



1 7-3 

 17-5 

 »-3 

 J -3 

 1.2 



i-5 



Nitrogen 

 found. 



0.0140 



0.0188 



c.0014 



j 0.0015 



Percentage of 

 nitrogen. 



2.97 



1.99 



0.15 



= \ Asp. N. 



0.16 



1 c.c. baryta water = 0.00108 g. N. 



