Analyses of Ashes of Plants. 
613 
Specimen No. 64. — Ciikvalier Barlev. 
Obtained for seed from Messrs. Gibbs. 
Specific gravity of the grain . 
Per centage of water and ash in the grain 
10-00 
Ash. 
2-25 
Analysis of the ash of the grain : — 
Silica .... 
Phosphoric Acid . 
Salpliuiic Acid . 
Carbonic Acid . 
Lime .... 
Magnesia . 
Peroxide of Iron . 
Potash . . . 
Soda .... 
Chloride of Sodium 
1-260 
Ash calculated 
on dry substance. 
2' 50 
32-73 
31-69 
0- 79 
none. 
1- 48 
7-43 
0-51 
20-77 
4-5G 
none. 
Total 
99'98 
Specimen No. 65. — Chevalier Barley. . 
Tlie produce of seed, Specimen 64. 
[The seed was planted by way of experiment very late in the season, 
and on tliin poor land belonging to this College. After potatoes 3 
the crop never looked well, and its amount was not ascertained.] 
Specific gravity of the grain 
Per centage of water and ash in the grain ; 
Water. 
16-00 
Ash. 
2-43 
Analysis of the ash of the grain :- 
Silica . 
Phosphoric Acid 
Suljjhuric Acid 
Carbonic Acid 
Lime . 
Magnesia . 
Peroxide of Iron 
Potash 
Soda . . . 
Chloride of Sodium 
1-234 
Ash calculated 
on, dry substance. 
2-82 
23-60 
26- 01 
2-72 
none. 
2-79 
8-67 
0-09 
27- 43 
0-05 
8-60 
Total 
99-96 
