ANALYSES OF MAIZE. 



173 



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 a&h calculated on dry matter 



QUANTITIES. 



168-25 grs. 

 146-5 

 21-75 

 2-1 



PERCENTAGE. 



81-01 



18-99 

 1-248 

 6-666 



July 12. 



I 



I 



Average height of plants, 35 inches. Average 

 increase of height of each plant during the 

 last week, 9 inches : over 1 inch per day. 

 Com has been hoed twice ; the first time on 

 the 15th of June, the last on the 5th of July. 

 Stalks about 1^ 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 

 week ....... 



Average increase in weight of each plant per day, 

 being 2| grs. per hour. 



Relation of the different parts of one plant to 

 each other : 

 Stalk . 

 Sheaths 



Leaves ... 

 Roots ... 



Weight of one plant 



681-9 grs. 



432-7 

 61-814 



40-4 

 216-1 

 413-7 



11-7 



681-9 



5-926 

 31-678 

 60-679 



1-717 



100- 



