422 S toward, — On Endospermic Respiration in Certain Seeds. 
Exp. 7. Intact seeds steeped in (1) 3% CuS 0 4 , 2 hours; (2) water, 24 hours; 
embryos then excised. 
No. of 
objects. 
Wt. 
grins. 
Vol. 
c.c. 
Temp. 
C.° 
After hours 
respiration. 
C0 9 %. 
Off, 
Mgms. 
CO,. 
co 2 /o 2 . 
3° 
0118 
4-5 
21*5° 
2 
2-9 
17-05 
1.007 
0-98 
4-25 
24-0° 
4 i 
8-56 
I2-I 6 
1-237 
1-09 
Exp. 8 
. Intact seeds steeped in 
(1) 3% CuS 0 4 , ij 
hours ; 
(2) water, 
1 8 hours ; 
embryos then excised. 
26 
0-117 
7-2 5 
2 3° 
2 ' 
2-337 
I7-32 
I-3 11 
!>• 
00 
6 
7-00 
23° 
3 
3-457 
16-25 
1-249 
0-92 
6-75 
2 3° 
4 
5-537 
14-537 
1.446 
I-OI 
Endosperms (Summer Experiments). 
Exp. 9. Seeds degermed in dry resting condition; endosperms steeped in water 
48 hours. 
20 1-27 4-75 28-5° 
4 
4 *i 1 
14.19 
0-06835 
0-70 
Exp. 10. Intact seeds steeped in 
(!) 3 % 
CuS 0 4 , 1 
■§• hours: 
; (2) water, 
5 hours; 
embryos then excised, and endosperms steeped 
in water 18-J hours. 
25 i- 37 6 5-75 27° 
4 
4.90 
13-75 
0-09150 
0-78 
Exp. 11. Intact seeds steeped in 
(1) 3% CuS 0 4 , 3 
hours ; embryos then excised, 
and endosperms steeped in water 2 1 hours. 
25 1-499 5-75 23° 
4 
3-25 
14-35 
0*05646 
°-57 
5-5 23° 
6 
7-16 
11-19 
0*09986 
o-8o 
Endosperms (Winter Experiments). 
Exp. 12. Intact seeds steeped in 
(1) 3% CuS 0 4 , 2 
hours ; 
(2) water, 46 hours; 
embryos then excised. 
45 2-470 3.00 1 6° 
4 
3*601 
13-54 
0*02019 
o -55 
2-80 1 5 0 
5 i 
5*066 
11.38 
0*01889 
0-58 
2 - 5 ° 15 ° 
23 
15-26 
0-00 
0-01250 
Exp. 13. Intact seeds steeped in 
(1) 3% CuS 0 4 , 2 
hours ; 
(2) water, 22 hours; 
embryos then excised, and endosperms halved longitudinally. 
42 1-781 2*1 1 7 0 
4 
2*708 
10-47 
0-01476 
0-28 
2-1 15° 
24 
15-15 
0-00 
0-01386 
— 
Exp. 14. Intact seeds steeped in 
(*) 3 % 
CuS 0 4 , 1 
: hour ; 
(2) water, 48 hours; 
then removed from steep, and laid on moist blotting-paper under bell-jar for 
24 hours; embryos then excised. 
39 2*438 2*8 20° 
2 
2-293 
16-23 
0-02409 
0*48 
2-5 i8-5 p 
3 
4-273 
i 3 - 5 o 
0^02686 
O.65 
2-2 1 7° 
4 
5-392 
ii *39 
0-02249 
0-62 
