100 BOTANICAL GAZETTE [AUGUST 
TABLE I 
WHEAT cogedee DURING 30 DAYS). ALL QUANTITIES GIVEN ARE CUBIC. 
CENTIMETERS OF 0.12 ™ SOLUTIONS 
Corresponding ie gui length 
Culture solution point on of r nied r plant 
curve (jig. z) 
NACI. eae A 55 
too NaCl} 
Kcl N PP a tear a aera B 75 
too NaCl 
o KCI Hes batepe hes : 80 
too NaCl 
KCl t ae g G ie Bear oy D II5 
ee Dt fees dates E 120 
too NaCl } 
35 RC} J gk owe a le ere F j 130 
too NaCl 
50 KCl { sey Wliete eae G 121 
too NaCl 
I0o KCl ; 2 W 6 Oe 2 Se we 8 H 85 
50 NaCl 
100 Kcl er oe et ete eee I 75 
35 NaCl 
KCl PENS oly ses J 80 
25 NaCl 
KCl Sea wae gie vp dy F 95 
15 NaCl) 
Kcl 5 athe le PERS M T0900 
Io NaCl i 
100 Kcl FES ee hee halts N 95 
5 NaCl 
100 KEL eS Ae ee ern oO 85 
RO ae P 65 5 
ho ee 
Distilled water, 725mm 
KCl 
NaCl 
mm. 
NH,¢Cl 
A B ¢ 4D E& FGH 
Fic. 2.—Antagonism curve, NH,Cl vs. NaCl (upper curve -x-x-x-) and NBC 
vs. KCI (lower curve -o-o-o-). Each ordinat nts the amount of - 
38: . 
Mbperteas: in a solution whose composition is given opposite the coresponing ee - 
in 
