ANALYSES OF MAIZE. 
173 
TIME. 
July 5. 
OBSERVATIONS, PARTS AND PROPORTIONS. 
3. Leaves -------- 
Water ------- 
Dry matter - 
Ash . 
Percentage of ash calculated on dry matter 
Ash saline, with a slight taste of caustic potash. 
Roots washed thoroughly with cold water, and 
the adhering moisture separated by pressing 
in paper. 
4. Roots of one plant - 
Water. 
Dry matter ------ 
Ash ------- 
Percentage of ash calculated on dry matter 
QUANTITIES. 
168*25 grs. 
146-5 
21*75 
2*1 
77* 
64*69 
12*31 
1*22 
PERCENTAGE. 
81*01 
18*99 
1*248 
6*566 
84*013 
15*987 
1*584 
9*908 
July 12. Average height of plants, 35 inches. Average 
increase of height of each plant during the 
last week, 9 inches : over 1 inch per day. 
Corn has been hoed twice; the first time on 
the 15th of June, the last on the 5th of July. 
Stalks about \\ inches long, with 4 joints. 
The old kernels attached to the roots com¬ 
pletely absorbed, leaving nothing but the 
epidermis. Longest roots extend from 5-8 
inches downwards, and from 8-10 inches 
laterally. Each plant has generally 12 
leaves; 7 of these have sheaths. Growth 
moderately thrifty. 
Weight of one plant. 
Increase in weight of each plant during the last 
681*9 grs. 
week ....... 
432*7 
Average increase in weight of each plant per day, 
61*814 
being grs. per hour. 
Relation of the different parts of one plant to 
each other: 
Stalk ....... 
40*4 
5*926 
Sheaths ...... 
216*1 
31-678 
Leaves - - . 
413*7 
60*679 
Roots ....... 
11*7 
1*717 
Weight of one plant .... 
681-9 
100* 
