ANALYSES OF THE POTATO, 
41 
III. FLESH-COLOR OR BURR POTATO, 
Pi.. 2 B. Fig. 2. 
Color purple ; flesh white ; form wider than long; eyes elongated, and in fives. 
In this analysis the whole potato was taken. Grown in the garden of Mr. Walsh^ 
Lansingburgh. 
1. Analysis of the tuber. 
Silica — — — — — — 
Phosphates - 
Lime ------ 
Magnesia ----- 
Potash ------ 
Soda ------ 
Chloride of sodium - - - - 
Sulphuric acid - 
Carbonic acid - - - - - 
Organic matter - 
0-300 
- 32-000 
0-282 
0-400 
- 20-798 
- 43-044 
3-924 
0-859 
trace. 
2-700 
104-247 
2. Analysis of the phosphates. 
Phosphates ------ 32 000 
Phosphate of peroxide of iron - - - - 4-900 
Lime - - - --- -- - - 0-733 
Magnesia ■ 0-155 
Silicic acid ------- 0-155 
Phosphoric acid ...... 26-057 
3. Organic analysis. 
Water - 
u 
. 
. 
. 
I. 
72-52 
11. 
76-3260 
Ash 
- 
- 
- 
0-68 
Starch 
- 
- 
- 
- 
7-77 
9-7850 
Albumen 
_ 
_ 
[ 0-88} 
0 1203 
Casein 
. 
. 
. 
. 
0-9724 
Dextrine 
- 
- 
- 
•- 
0-46 
0-5015 
Sugar - 
- 
- 
- 
- 
3-45 
5-7630 
Gluten 
- 
- 
- 
- 
0 0407 
Fat 
- 
- 
- 
- 
0-18 
Fibre - 
- 
% 
9-74 
8-1504 
It will be observed that this potato contains less starch than many others in common 
use. 
[Agricultural Report — Vol. ii.] 
6 
