Nebraska Experiment Station Research Bulletin 19 
02 
•<s> 
£ 
5S 
**«a. s* 
SS § 
I £ 
so rw 
co 
S? ^ 
Number 
vascular 
bundles 
per cm. 
leaf width 
^ 00 05 05 CO 
2 oo o'. oo 
W L— © t- t- 
tT 00 CO 
co 05 eg 
b- r- c- t- 00 
© co © 
OC h 03 
t> 00 
76.9 
Per cent of epidermal 
thickness of 
Total 
cuticle 
05 03 05 03 00 
w eo • • • * • 
V. 1 -H T-J 05 OJ o 
» w NWHHM 
to rH CO 00 eg 
© eg - t-h © os 
cm eg ei eg t-h 
20.8 
1 20.8 
21.4 
21.0 
Lower 
cuticle 
CO 00 (M 05 o 
£ £2 co oi h c’ h 
Cg 03 <M 03 03 
00 05 00 © 
t-h 00 eg t-h © 
eg 01 eg 03 eg 
© O 03 
eg* eg’ eg' 
eg 01 eg 
03 
03 
Upper 
cuticle 
CD CD CO CO 
© 05 00 
Cg 00 O- 05 r* 
05 © 05 05 00 
t-h eg t-h t-h t-h 
19.7 
19.7 
20.7 
20.2 
Thickness of cuticle 
of 
Total 
cuticle 
| ^ 03 00 CO OJ CO 
b 2 eg 03 h h eg* 
© co co 00 ^ 
03 o-i eg t -2 © 
00 T-H to 
t 2 oi — • 
11.8 
Lower 
epi- 
dermis 
® 05 011000 
• to CO td td CO 
Is 
00 T-H O OO © 
to CO CO td td 
0 - oo © 
to to to 
173 
5.7 
Upper 
epi- 
dermis 
s w 
co co oo co co 
•S* fH cd cd td td cd 
^ < 
Xfl 
0 
t-H Oh tO 00 © ^ 
CO ^ CO CO CO to 
<£ 
H 
© P -1 CO 05 
cd e- cd >0 
< 
w 
Per cent of total leaf 
thickness of 
Total 
epi- 
dermis 
•w ^ 
| a: ^cot>oo 
aj t- t - t2 os t-h 
£ g eg eg eg eg co 
pi 
© 03 TlJ 00 05 ^ 
00 ^ eg 05 © -2 
03 g 00 eg 00 00 
H 
M 
5 < SS 
© £ eg eg 
28.7 
Lower 
epi- 
dermis 
e fc 
5 ^ ^ eg uo © 
v & § eg eg eg’ oo n5 
W Oh t-H t-h y—t j—i r-H 
K 
U i . 
2 
t-h eg to to 
co d ^ 00 Tj< 
TH < 
£-4 
2 
03 00 CO ( 
'-h g eg cd 
f-i 
03 
1 Upper 
1 epi- 
dermis 
U1 
< ® t-H t-H r-< ^}1 
^ iS ® »o td td CO CO 
15.5 
CEN r 
17.7 
16.1 
16.4 
16.9 
w 
00 H © ^ 
cd ^ to td 
© 
td 
Thickness of 
Lower 
epi- 
dermis 
oo eg 05 1>- uo 
« S- to i2 io co oo 
wj oi eg eg eg eg 
t> © 03 CO © 
cd cd cd co to 
eg eg oi 03 eg 
05 co eg 
to cd td 
eg 0-3 eg 
t- 
td 
eg 
Upper 
epi- 
dermis 
lCCC05 00rH 
toS2- o oo o t-m eg 
00 00 oo oo oo 
00 eg 0 t-h eg 
CO CO CO © 03 | 
© © to 
© 03 X 
03 
a 
© © t-h to co loo eg OJ <50 CO 
? n eg* eg vr to ^ cd od eg eg 
©egCCT505 © t^05 wt> 
NNcgnH eg t-h t-h « t-h 
00 0 to 
eg" -nr 
00 © 00 
T-H 03 T— 
g 
Source of seed 
County 
(1) 
Richardson 
Lancaster 
Washington 
Thurston 
Nuckolls 
Average 
Kearney 
Holt 
Lincoln 
Cherry 
o» 
tc ; 
a nd 
•> © C 1 
4 ■ — 1- 
Average 
