ANALYSES OF MAIZE. 



183 



TIME. OBSERVATIONS, PARTS AND PROPORTIONS. QUANTITIES. 



August 23. 12. Anthers filled with pollen grains - - - 35 • grs. 



Water ------- 8-70 



Dry matter 26-30 



Ash ------ 1-67 



Percentage of ash calculated on the dry matter, 

 Ash tastes decidedly of caustic potash. 



August 30. Average height of plants, about 78 inches. 



The increase in height during the last week 

 is hut very little. Pollen nearly all fallen. 

 About i of the bulk of each kernel protrudes 

 from its husks. The plant taken for propor- 

 tions is 83 inches high, and has 3 ears ; two 

 of which are very small, the silks having not 

 yet appeared : the third is S\ inches long. 

 About the average weight of each plant - - 10580 - 2 

 Increase in weight during the last week - - 2409*5 

 Average increase in weight per day - - 344 ■ 21 

 Average increase in weight per hour - - 14*34 



Stalk 78 inches long. Increase in length during 

 the last week, 19 inches. Average increase in 

 length per day, about 2| inches. 

 Relation of the different parts of the plant to 

 each other : 



Tassel (length 15 inches) ... 150*6 



Top stalk (length 46 inches) - - - 1187*5 

 Butt stalk (length 22 inches) - - -2169- 



Sheaths 1561*3 



Leaves ------- 1664*4 



Sheaths of husks 2349*2 



Stalk of ear 409*1 



Ear 889- 



Silks 200- 



Roots 468*1 



Weight of one plant - 11048*2 



PROPORTIONS. 



1. Tassels 150*6 



Water 98*98 



Dry matter - - - - - - - 51*62 



Ash 4*3 



Percentage of ash calculated on the dry matter, 



PERCENTAGE. 



24*857 



75*143 



4*771 



6*349 



1*363 



10-74S 



19*632 



14*132 



15-065 



21*263 



3*703 



8-047 



1*81 



4-237 



100- 



65*724 



34*276 



2-855 



S-33 



