ANALYSES OF MAIZE. 
179 
TIME. OBSERVATIONS, TARTS AND PROPORTIONS. 
August 16. Average height of corn, 72 inches. Increase in 
height during the last week, 7 inches, or 1 
inch per day. Nearly the whole tassel is 
above the upper sheath, in the plant taken 
for proportions ; length, 19 inches. Length 
of stalk, 46 inches. Increase in length during 
the last week, 24 inches, or inches per day. 
Two ears begin to form. Ears 3 inches long. 
Silks from 1-3 inches long. Each ear has 9 
sheaths, 5 of which have leaf-blades. Length 
of husks, from 10 - 17 inches. Each kernel 
is entirely enveloped in husks of its own. 
Ear-stalks l£ inches long. 
QUANTITIES. 
PERCENTAGE. 
About the average weight of each plant - 
- 
6780*85 grs. 
Increase in weight during the last week - 
- 
2953*35 
Average increase in weight per day 
- 
436*19 
Average increase in weight per hour 
- 
18*16 
Relation of the different parts of the plant 
to 
each other: 
Stalk ...... 
2738* 
38*343 
Sheaths ..... 
1450* 
20*306 
Leaves ...... 
1640* 
22*967 
Tassels - 
330*2 
4*624 
Sheaths of husks of 2 ears 
350*9 
4*914 
Leaves of husks of 2 ears 
140*25 
1*964 
Two ear-stalks .... 
64* 
*897 
Two ears ..... 
67 *5 
*943 
Roots ...... 
360* 
5*043 
Exact weight of the plant taken for proportions, 
7140*85 
100* 
PROPORTIONS. 
Stalk ------ 
. 
2738* 
Water ...... 
- 
2496*5 
91*179 
Dry matter ..... 
- 
241*5 
8*821 
Ash ------ 
- 
25*87 
*945 
Percentage of ash calculated on the dry matter, 
10*712 
Sheaths ...... 
_ 
1450* 
Water ..... 
- 
1289*53 
88*933 
Dry matter ..... 
- 
160*47 
11*067 
Ash ...... 
- 
18*58 
1*281 
Percentage of ash calculated on the dry matter, 
11*578 
