298 



Transactions of the Canadian Institute. 



[Vol. VII. 



VI. — Continued. 



Summary of records of experiments I., II., III., IV., V., VI. The 

 figures in the vertical columns denote the time required (in days) to 

 kill the leaf The letter "p" after a number indicates that the leaf 

 was living and fresh at the termination of the experiment. 



Solution. 



NaCl 



KCl 



KNO3 .... 

 CaCl., .... 

 MgCfo ... 

 Na„Cb., .. 



KBr , 



KClOo ... 

 KI ....... 



NaOH.... 



KOH 



glycerin . . 

 FeCL .... 

 FeSd, .... 

 K„PO^ ... 

 CuSO, .. 

 NaHCO„ . 

 NH^NO^ . 

 Ba(NO.)2 



PbA.2 



HgCl, .... 



HCl 



H„SO, .. 

 c. sugar . . 

 g. sugar . . 

 ZnSO^.... 



m/4 



16 



m/8 



15 

 15 



7 

 9 

 6 



9 

 3 



16 



in/i6 



27 

 18 



36 



35 

 8 



5 

 7 



14 



5 



14 



m/32 



4'P 

 33 

 36 

 41P 

 16 

 9 

 41 

 16 



24 



17 



14 



4 

 3 

 3 

 14 

 15 

 5 



m/64 



64P 



27 



30 



54P 



14 



36 



47 



4 



5 

 14 

 II 



54P 



4 



5 



6 



I 

 14 

 17 



3 



1T1/128 



44P 

 44P 

 44P 

 44P 

 30 

 30 

 44P 

 4 

 14 

 44P 

 29 



44P 

 4 

 4 

 5 

 I 



34 



32 



5 



14 



4 

 4 

 4 



13 



