Nebraska Experiment Station Research Bulletin 19 
§ 
SJ 
Number 
vascular 
bundles 
per cm. 
leaf width 
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68.2 
64.4 
68.7 
60.5 
66.8 
id oo oo 
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od 
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Per cent of epidermal 
thickness of 
Total 
cuticle 
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Lower 
cuticle 
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S ooohhin 
£ H 03 03 (M 03 1 
20.6 
20.0 
22.8 
19.7 
21.7 
21.1 
18.4 
20.0 
19.2 
Upper 
cuticle 
S 1 LO i-H y—i OO 
^ J-H 00 05 00 05 
18.5 
18.1 
20.0 
17.6 
18.7 
18.6 
17.2 
18.7 
17.9 
Thickness of cuticle 
of 
Total 
cuticle 
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03 00 00 00 CD 
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Lower 
1 epi- 
1 dermis 
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id id 
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id 
Upper 
epi- 
dermis 
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< 
Per cent of total leaf 
thickness of 
Total 
epi- 
dermis 
j HO ^ 
J 2 ^ go loa^c^iaiio 
i it $ od od od od 
1 £ g 03 <M 03 03 03 
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03 g 03 03 03 03 
27.6 
EBRASK 
27.5 
28.8 
od 
03 
Lower 
epi- 
dermis 
Percent 
\ (6) 
l'ERN N3 
12.2 
13.1 
12.3 
12.8 
13.0 
z 
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1 03 ^ 03* 03 03 03 
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Upper 
epi- 
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1 id id 'd id id 
03 
03 W 03 05 
id ^ ud id 
15.5 
Thickness of 
Lower 
epi- 
dermis 
1 = _ CCjOSOCO 
1 uS t- 05 LO 05 00 
! ^ 03 03 03 03 CM 
05 lOrH^r- 
05 00 00 
03 03 03 Ol 03 
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03 03 00 
03 
Upper 
epi- 
dermis 
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t 00 00 00 00 oo 
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LO 03 05 
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© 00 00 03 03 
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05 OO H od 0 3 
— 03 03 03 03 
1 Ol 03 03 03 03 
i<d H 03 
03 03 OO 
03 Ol 03 
1 
od 
03 
OJ 
Source of seed 
County 
(1) ' 
Richardson 
Lancaster 
Washington 
Thurston 
Nuckolls 
Average 
Kearnev 
Holt . ‘ 
Lincoln 
Cherry 
tt 
i i 'co ' 
> d c 
< C CO 
55 
Average 
