able 20 (continued ). — Histological Leaf Measurements of Corn Types When Moved from 
Their Various Native Nebraska localities and Groivn in Southeastern Nebraska . (Lan- 
caster County) 1916 . 
The Regional Adaptation of Corn in Nebraska 
Width of 
epidermal cell 
Lower 
epi- 
dermis 
g 
£ ^ 05 O lO C\j t> 
« h co ^ t* co 
^ w CO CO CO CO CO 
1 
j 1— i 03 05 tr- iH 
I ^ ^ i-i co cd 
1 CO CO CO CO CO 
34.0 
34.8 
35.8 
35.3 
Upper 
epi- 
dermis 
h co rjJ rjJ 03 
CO CO CO CO CO 
J 00 O ^ LO 03 
CO LO i— H ^ 
| CO CO CO CO CO 
33.8 
34.4 
36.2 
35.3 
Length of 
epidermal cell 
Lower 
epi- 
dermis 
00 
o r* UO 05 CD <03 
5 H CDCOrHHOi 
00 00 05 00 t> 
LO ^03 0 00 
oi>di> 
oo oo t- c- t- 
78.6 
83.6 
77.9 
t>- 
0 
00 
Upper 
epi- 
dermis 
© ^ 03 03 LO t>- 00 
OH OCOOOHrH 
oo oo oo oo oo 
LO LO LO 05 
Tji 03 Er~- t~* t— 
00 oo t- t- 
78.9 
78.6 
78.2 
od 
Length of stomatal 
aperture 
Average 
^ 00 CD 00 05 
.OH CD CD t-- CD tr— 
v ~ y H i— 1 1—1 T— 1 iH 
H LO LO t>- CO 
t-I C-* LO LO LO 
i—l i— 1 i— 1 tH i— 1 
16.0 
15.4 
15.3 
15.3 
Lower 
epi- 
dermis 
© ^ ^ CD CD 00 O 
CD CD tr^ CD 00 
^ t— 1 r— ^ t-H t—H t-H 
iH r— 1 LO H 
t>: t~- LO CD LO 
i— I i— 1 i— t t—H tH 
16.0 
*5 
15.7 
15.5 
15.6 
Upper 
epi- 
dermis 
Microns 
(8) I 
\ TYPES 
16.7 
17.0 
17.7 
16.9 
17.8 
H 
03 (X 05 CD CO CO 
t- t~- LO LO 
1—1 ^ HHHH 
16.0 
A TYPE! 
15.2 
15.1 
15.1 
Length of stoma 
Average 
§ & 
©^ c n wot>iot> 
00 05 00 O H 
■g w ^ ^ ^ 10 10 
w 
CD t/2 COhO-^ 
05 ^ O 03’ 05 
Ttf g LO ^ LO ^ 
rfj 
49.7 
EBRASK 
49.1 
50.3 
49.7 
Lower 
epi- 
dermis 
g £ 
S COOOt>drH 
^ H to LO 
£ 
H CO t>- CO t>- 
05 05 CD CO to* 
pdi ^ ^ 10 ■'Cf 
H 
49.2 
rERN N] 
49.4 
49.2 
49.3 
Upper 
epi- 
dermis 
g «2 
©^ <3 CO LO LO 05 CD 
H oododn 
^ Ttrftioioio 
£ 
03 H CO CD to- TH 
0 ^ Hl>OH 
LO LO ^ LO LO 
50.2 
WES r 
48.8 
51.5 
50.1 
Number of stomata 
per sq. m. m. 
Average 
L-^t>qco 
Q CO H OO CD CO 
v - x 00 05 OO 00 00 
CD 03 ^ t> 0 
CD LO cd O r-H 
00 fc- O 00 05 
87.6 
87.0 
81.9 
84.4 
Lower 
epi- 
dermis 
lOb-CiOH 
co dddccH 
" J50C5 05C5 
rH 
94.6 
82.2 
115.9 
81.6 
103.5 
95.8 | 
94.8 
91.3 
93.0 
Upper 
epi- 
dermis 
^ 05 03 IO iH CD 
SS CD O i-H 05 LO 
t- 00 00 tr- t~ 
t>- 03 0 00 CD 
od 00 h 05 00 
t- CD05t>t> 
79.4 
79.3 
72.6 
75.9 
Source of seed 
County 
(1) 
Richardson 
Lancaster 
Washington 
Thurston 
Nuckolls 
Average 1 
Kearney 
Holt 
Lincoln 
Cherry 
Average | 
Kimball 
Grant 
Average 
