16 
BULLETIN 1300, U. S. DEPARTMENT OF AGRICULTURE 
** ft. 
oa 
v 
^1: s 
•<s> "^ <tt 
.. (J) o 
— h a 
e ft. e ? 
§-«; £ o 
a ~ e § 
£-< „■•* 
I'll! 
dill 
° S e 
J- ? !» U 
eo ©s ft, 
o we-*; 
~-g ft> 
o^ | 
.2 e 
CO 
©^ 
©• 
ft. 
5 S» *» 
eo © <» ca 
<*> 2 s Q 
" "^ S ^> 
« j; w S 
Ctf ?3> £. © 
5 w 
ft*© 
© 
© 
OS 
ca so 
§ fe : 
1 1 1 
+ + + ' 
e<5 O .-I eo 
CN rH M O 
t» io «o ^a i 
O CN U3 CN 
fe 
1 1 1 1 
+ 4+4 
CI 
S 
w 
S3 
&5 ©? >o 
CO-*©* 
^ OS ©0 
o o ~* ©o 
ej 
c3 
a 
s 
a 
a 
< 
+ + + 
OS ^H O t- 
I-H O CO >-l 
1 1 1 
o r- o us 
o o -* eo 
+ 1 + + 
+ 1 1 
g 
© 
00 ~* Ci 
O <3* »5l ©i 
r + + 
ca H 3 £ 
+ r r 
© 
S 2 5 SI 
■^ us to «o 
1-1 CM L.O TH 
o 
K 
+ 1 + + 
+ + 1 1 
'a 
o 
CO 
c3 
CD 
>> 
CI 
t-t 
© 
o 
r +++++ 
00^-^CO-^fO^CCt^ 
r 
CO~-ie<!lC30S~-i©*~* 
<a o ■-. <a co ©o —i -^>«. ca 
+ 1 1 1 1 1 1 + 
OOMON*«OMO 
++ 1 ++++++ 
+++ 1 1 1 1 1 1 + 
^ 
~*CO Co -^©0 Co OS *4 
ca ca ©« -—, us ©o s<! -*->~i <a 
++ 1 1 1 1 1 + 
eg 
Ph 
r 
CS00-H-*00CNCOCN^'^H 
iHOMHiOMCOiOCOO 
++I I+++++ 
++++ 1 1 1 1 1 1 
s 
eo co ©o cs ©« e^. ©i 
o 
r 
©5CO©J©0«3CsOSt^ 
ca ca ©0 CO "«*-*1 ^o^o 
++++I 1 1 
1 1 1 I++++ 
3 
* 
© 
is 
^H-^OOTft^t^CO-^CN 
HHHCMHHOW 
N 
r 
TtHCNCOrti^Hi-OCO-HCMO 
rtO^<COOr.ON M 
1 1 +++ 1 1 1 1 
+1 1 1 1 ++ 1 ++ 
© 
© 
r 
o eo>-. ^-os ~^- 
O Its ^*«! >-.<C) 
MS «<5 CO ^~i *1 -<^'CS O 
<a ca *i ^t-c© usw^ch 
+++++++H* 
1 1 1 1 1 1 
pH 
HHHNTfOOOH 
>0 
mhOCOOOCJO^H 
OOH^CCINNOM 
1 1 1 1 1 1 + 1 + 
i^iii+ij:^ 
© 
C 
O 00 CS C> 
<=> Q 
o ca 
a © 
C3 
c 
1 
S S § 8 
a § 
§ =3 
P=H 
1 
+ 1+4- 
i + 
+ 1 
c 
C5 
o o 
o ea § o o 
o 
1 
CI 
o 
O 
O 
a 
c 
1 
8 
r 
O OS 
CN O 
l" l" 
K 
CN 
4 
cs o i-H r^ 
O 00 r-i o 
■ + 1 + 1 
c 
o os o o 
©4 
<=> o e^ ca cc 
2 
+ 
1 
^H 
1 
os t^ eo ^h 
rH 00 CN iH 
CM Tf t^ 00 O 
CO o t^ ~ o 
+ + r + 
1 + 1 1 
© 
to 
© 
<a 
o ~* o o 
© cs ©o <=> <a 
+ 
1 
< 
■»J 
CM OS r-. Tfl 
O Tf o o 
O CO l-O O CN 
— » O CO — < CN 
1 
+ + + + 
+ 1 1 1 1 
a 
© 
1 
2 ° 
6§ 
OKI 
o 
O 
1 i- 
1 0) 
; >> 
| 5 S 
bo § fi 
~ *-" « 
Ph cc 
s' 1 
© s 
* o 
oX) <~ 1- 
P=< CO 
to 
o 
c 
Eh 
! xs 
i oj 
i o 
I o 
! ^ 
J ©-a 
a o p 
oco 
o 
o 
i C3 
i OJ 
' ;>> 
13 SP « 
S -i cj 
>, --g ;> 
to g § 
3 © C 
Pi a 
J ^ jo 3 
R 1 ; 1 
ex <- fcj'a 
£ ©2 
S §^.£ 
a 
