Equilibrium in the Intake of Salts by Plant Cells. 



459 



Table VII. — -Absorption Eatios in the case of Carrot and Certain Chlorides at 

 the Approach of Equilibrium. 



Initial external 



Relative concentrations. 



Absorption 

 ratios. 



concentration 

 in grm.-mols. per litre. 



Initial 

 external. 



Final 

 external. 



Final 

 internal. 



KCl, 52 hours— 

 N/5000 

 N/500 

 N/50 

 N/10 



84 

 658 

 6,072 

 28,250 



24 

 238 

 4,882 

 26,200 



600 

 4,200 

 11,900 

 20,500 



25 -0 

 17 -6 

 2-4 

 0-78 



NaCl, 48 hours— 

 N/5000 

 N/500 

 N/50 



[N/50 (dead tissue) 

 N/10 



68 

 548 

 5,073 

 5,073 

 23,330 



12 

 148 

 3,990 

 5,060 

 21,550 



560 



4,000 

 10,800 



4,450 

 17,800 



46-7 



27 -0 

 3-5 

 0-88] 

 0-83 



CaClo, 42 '5 hours — 

 N/5000- 

 N/500 

 N/50 

 N/10 



76 

 590 

 5,180 

 22,650 



30 

 420 

 4,930 

 22,120 



460 

 1,170 

 2,500 

 5,300 



15 -3 

 2-8 

 0-51 

 -24 



10,000 20,000 50,000 



FINAL EXTERNAL CONCENTRATION (e) 



Fig. 5. — The relation between final external and final internal concentration in the case 

 of carrot tissue immersed in certain chlorides. 



