150 Analyses of the Ashes of Plants. 
The composition of the ash is as folhnvs : — 
Composition in 100 parts of the Ash of Heligohuid (or Tick) Beans. 
No. 1. 
.Seed. 
No. 2. 
Produce on 
Clay. 
No. 3. 
Produce on 
Silicious 
Sand. 
Mean. 
Phosphoric Aciil . 
Sulphuric Acid . 
O^irbonic Acid • • 
Magnesia .... 
Peroxide of Iron . 
Chloride of Sodium . 
Chloride of Potassium 
1-52 
33-74 
4-28 
I -63 
12-06 
6 '00 
0-65 
36-72 
0-14 
3-26 
0-41 
36-68 
3-15 
3-44 
5-83 
5-68 
0- 12 
43-36 
1- 30 
0-40 
26-88 
3-05 
0-83 
13-28 
0-52 
0- 59 
45-69 
1- 83 
0-90 
0- 78 
32-43 
3-49 
1- 97 
10-39 
6-07 
0-45 
41-92 
0- 48 
1- 70 
0-30 
Total .... 
100-00 
99-97 
99-97 
99-98 
Total Sulphur of the Heligoland Beans. 
Seed. Produce on Clay. 
Sulphur in 1000 grains of undried beans 3-980 .. 2-000 
Produce on 
Sand. 
2-100 
Mazagan Beans. 
Percentage of Water and Ash in Specimens of Mazagan Beans. 
Seed .... 
Produce on clay . 
Produce on sand . 
Water. 
. 17-00 
. 11-00 
. 16-50 
Ash. Ash on dry. 
2-85 .. 3-43 
2-68 .. 3-01 
2-48 .. 2-97 
Composition in 100 parts of the Ash of Mazagan Beans. 
Silica .... 
Phosphoric Acid 
Sulphuric Acid . 
Carbonic Acid . 
Lime .... 
Magnesia 
Peroxide of Iron 
Potash .... 
Soda .... 
Chloride of Sodium . 
Chloride of Potassium 
Total .... 
No. 1. 
Seed, 
No. 2. 
Produce on 
Clay. 
No. 3. 
Produce on 
Silicious 
Sand. 
Mean, 
2-18 
0-74 
0-04 
0-98 
29-94 
30-61 
33-35 
31-31 
5-11 
6- 18 
5-28 
5-51 
2-59 
2-80 
0-34 
1-91 
7-69 
4-79 
8-24 
6-91 
7-6S 
5-62 
7-69 
7-00 
0-36 
0-12 
0-34 
0-27 
42-88 
43-52 
40-66 
42 -.35 
1-57 
2-40 
1-32 
3-17 
2-79 
1-99 
1-25 
0-42 
99-97 
99-98 
99-98 
99-97 
