640 
Analyses of Ashes of Plants. 
Produce and mineral matter of an acre : — 
Grain 
Straw 
Chaff 
Product?, 
cnts. lbs. 
18 109 
18 71 
3 48^ 
Total ... 41 
Analysis of the ash of the grain : — 
Silica . . . 
Phosphoric Acid 
Sulphuric Acid . 
Carbonic Acid . 
Lime . . • 
Magnesia . 
Peroxide of Iron 
Potash . . . 
Soda . . . 
Chloride of Sodium 
2-05 
46-99 
•24 
none. 
6-78 
12-76 
2-32 
26-70 
2-12 
none. 
Mineral Matter, 
lbs. 
36^, 
103^ 
37 
Removed from aii Acre, 
lbs. ozs. 
0 12 
4 10ft 
0 13ft 
9 12ft 
0 12ft 
Total 
99-96 
36 lOft 
Analysis of the ash of the straw and chaff : — 
Silica . . . 
Phosphoric Acid 
Sulphuric Acid . 
Carbonic Acid . 
Lime . . . 
Magnesia 
Peroxide of Iron 
Potash . . . 
Soda . . . 
Chloride of Sodium 
66-13 
8-85 
2- 23 
none. 
6-82 
3- 62 
•54 
11-76 
none, 
none. 
Removed from an .\cre. 
lbs. ozs. 
92 8ft 
12 6ft 
3 2 
5 1ft 
0 12 
16 8 
Total 99-95 
139 15 
Specimen No. 49. — Red-Straw White Wheat. 
From Mr. J. C. Morton. 
\_Soil, adhesive loam; subsoil, clay; geological formation, one of the 
upper beds of the Silurian ; drained ; 8 years in tillage, after clover 
depastured. Drilled \\ bushels an acre in Dec. 1845, promising a 
fair crop ; moivn second week in August. Estimated yield 34 bushels 
an acre; straw strong and stiff; grain good, 61 lbs.] 
Average length of the straw . . 51 inches. 
