CROSBY SWEET-CORN. 



245 



One hundred parts of the above ash contain in the case of 

 the : — 



Nutritive ratio of kernels, 1 : 7.30. 



XI. 



" Crosby Sweet-Corn." 

 (The sample was obtained from James G. Grinnell, Esq., Greenfield, Mass.) 



The ear contained fourteen rows of kernels of a white 

 color. Its average length was from 7 to 7.5 inches, and its 

 average weight was from four to five ounces, and consisted 

 of seventy-nine per cent of kernels and twenty-one per cent 

 of cob. The average weight of one kernel was .202 gram. 



One hundred parts contain : — 



Grape-sugar 2.14 per cent. 



Cane-sugar 8.15 



One hundred parts of the above ash contains in the case of 

 the : — 



KEKNELS. 



Silica, soluble in soda 1.542 



Ferric oxide .......... 0.195 



Calcium oxide . . • 1.788 



Magnesium oxide 12.542 



Potassium oxide 40.237 



Sodium oxide .....••••> 1.187 



Phosphoric acid • • • • • 42.500 



Nutritive ratio of kernels, 1 : 7.14. 



