SOME STUDIES OF THE GERMINATION OF THE SEED OF ORYZA SATIVA. 147 
TABLE IX. Oryza sativa (“Shin Riki’’). 
The influence of oxygen on the development of root and shoot in seedlings. 
Germinated in ordinary air. Germinated in oxygen free air. 
Root m.m. Shoot m.m. 
Root m.m. Shoot m.m. 
22. less than 1 16 
14 A 16 
15 3 14 
5) 16 os 21 
a, 12 * 17 
8 22 20 
“= 12 ” =o 
Ae 
2 20 Pe 16 
d 
© 17 r 15 
a 
r=] 15 5. 17 
iS) 
= 21 5 19 
a 
= 15 = 20 
27 # 12 
S 15 Rs 24 
13 pe 14 
av. 17.06 less than 1 17.13 
—_. | nn 
less than 1 22 
99 24 
3 5 22 
= : 21 
= ; 
2 7, 30 
= 
u 
A 24 24 
Eu 9 24 
S ” 24 
g 3 25 
| 
o 20 
pos ” 
& 5 22 
vo. or 
Ö 3 22 
= 
=) & 24 
a 
se 
3 \ 22 
oO . 
” 34 
less than 1 
