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 0-300 



Phosphates - - - - - - - 32-000 



Lime ........ 0-282 



Magnesia _..,.... 0-400 



Potash -------- 20-798 



Soda 43-044 



Chloride of sodium - - - - - - 3-924 



Sulphuric acid - - - - - - 0-859 



Carbonic acid ------- trace. 



Organic matter 2-700 



104-247 



2. Analysis of the phosphates. 

 Phosphates - ----->. . 32 00O 



Phosphate of peroxide of iron - - - - 4 '900 



Lime - 0-733 



Magnesia - • - - - - - 0-155 



Silicic acid ------- 0-155 



Phosphoric acid »■ 26-057 



3. Organic analysis. 



I. II. 



Water - - '- - - - - 72-52 76-3260 

 Ash - 0-68 



Starch .--.... 7-77 9-7850 



Albumen - - - - - - ) ^ ( 0-1203 



Casein JU'BSj Q . 9724 



Dextrine ------ 046 05015 



Sugar -------- 3-45 5-7630 



Gluten .-.---. 00407 

 Fat ----.-.. 018 



Fibre - 9-74 S~ 1504 



It will be observed that this potato contains less starch than many others in common 

 Mse. 



[Agricultural Report — Vol. h.] 6 



