The Regional Adaptation of Corn in Nebraska 
Table 16 . — Summary of Histological and Morphological Char- 
acteristics of Native Corn Types Grown in Various Regions 
of Nebraska. The Results for Central and Western Ne- 
braska Are Here Expressed in Per Cent of the Residts for 
Eastern Nebraska. 1915. 1 
Region where grown 
Thickness of 
Per cent of total 
leaf thickness of 
Number 
vascular 
bundles 
per cm. 
leaf 
width 
Leaf 
Upper 
epi- 
dermis 
Lower 
epi- 
dermis 
Upper 
epi- 
dermis 
Lower 
epi- 
dermis 
Total 
epi- 
dermis 
Per 
Per 
Per 
Per 
Per 
Per 
cent 
cent 
cent 
cent 
cent 
cent 
(1) 
(2) 
(3) 
(4) 
(5) 
(6) 
A) 
(8) 
Eastern Nebraska 
100 
100 
100 
100 
100 
100 
100 
Central Nebraska 
104 
100 
103 
97 
99 
98 
94 
Western Nebraska 
101 
99 
102 
99 
102 
100 
98 
Region where 
grown 
Number of 
stomata per 
sq. m. m. 
Length 
of stoma 
Length 
of epidermal 
cell 
Width 
of epidermal 
cell 
Upper 
epi- 
dermis 
Lower 
epi- 
dermis 
Upper 
epi- 
dermis 
Lower 
epi- 
dermis 
Upper 
epi- 
dermis 
Lower 
epi- 
dermis 
Upper 
epi- 
dermis 
Lower 
epi- 
dermis 
(1) 
(9) 
(10) 
(ID 
(12) 
(13) 
(14) 
(15) 
(16) 
Eastern Nebraska. 
100 
100 
100 
100 
100 
100 
100 
100 
Central Nebraska. 
112 
113 
97 
97 
84 
83 
101 
95 
Western Nebraska . 
116 
113 
87 
92 
86 
88 
101 
97 
Region where 
grown 
Height 
of 
stalk 
Height 
of 
ear 
Leaf 
area 
Total 
weight 
of plant 
Weight 
of 
ear 
Shelling 
per 
cent 
Length 
of 
ear 
(1) 
(17) 
(18) 
(19) 
(20) 
(21) 
(22) 
(24) 
Eastern Nebraska. 
100 
100 
100 
100 
100 
100 
100 
Central Nebraska. 
77 
60 
60 
69 
68 
93 
89 
Western Nebraska 
68 
40 
45 
46 
39 
87 
76 
'Data calculated from Tables 12 and 14. 
