70 
THE SOIL OF THE COTTON STATES. 
Analysis of the Ash of a Long-staple {Sea IslancC) Cotton 
Plant talcen from the same Soil as alove. 
The stalk of this plant, weighing thirteen ounces, on 
being burned, yielded one hundred and thirty-three grains 
of ashes, which consist of, in twenty-five grains of the ash — 
Soda. 
1.150 
grains 
5.600 
u 
0.603 
u 
0.412 
u 
2.739 
It 
6.254 
it 
1.100 
u 
2.851 
a 
3.851 
a 
0.940 
11 
25.000 
ii 
The dry leaves, weighing seven and one-half ounces, 
on being burned, yielded three hundred and six grains of 
ashes, and twenty-five grains of this ash gave, on analysis — 
Silica 
Carbonic acid .... 
Chlorine 
Sulphuric acid . . . 
Phosphoric acid . 
Lime 
Magnesia , 
Potash 
Soda 
Peroxide of iron 
25.000 
1.540 
grains 
3.800 
u 
2.220 
u 
1.065 
u 
2.795 
(( 
7.275 
(( 
0.200 
(( 
3.522 
<( 
1.908 
<( 
0.675 
(( 
