ANALYSES OF THE GRASSES. 



75 



The above analysis was made under more favorable circumstances, and with a better 

 ash, and hence is more deserving of credit than the following : it is, however, in an earlier 

 stage of growth, and would necessarily differ from the first analysis. 



5. Analysis of the ash of Triticum repens, just previous to the appearance, of the flower-spike 



or head. 



Per centum. 



Silica - 40-500 



Coal ........ 9-300 



Phosphates 15-300 



Lime 0-959 



Magnesia ■ - .- none. 



Potash 24-417 



Soda 1-433 



Chloride of sodium - 3-706 

 Sulphuric acid ...... 



Carbonic acid ...... trace. 



inic matter ...... 2 -400 



98-015 



COMPOSITION OF THE PHOSPHATES. 



Phosphates ------ 15-300 



Phosphate of peroxide of iron ... 1-300 



Lime 3-272 



Magnesia 2-600 



Silicic acid ------- trace. 



Phosphoric acid - - - - - - 8-128 



PROPORTIONS. 



100 grs. of the green plant gave 



Water ........ 75-39 



Dry matter 24-61 



Ash 2-52 



Ash calculated dry - - - - - - 10-24 



