﻿i8o 



BOTANICAL GAZETTE 



[march 



TABLE XXXVI. 



N 

 May i8. Test of - KCl and NaCl 



Time 



9-55-2:35 



2 ;35 Bottles 



2:35-6-35 



Record over 



8: 36 A. M.-io;36 



10: 36-12 :36 



12:36- 2 : 36 



10 p. M. 



May 20, II : 00 A. M. 



0.055 

 poured together. 



0.087 

 night not kept. 



0.099 



0.097 



0. 109 



Almost dead. 

 Dead. 



Cont., NaCl 



0.054 



0.073 



0.064 

 0,071 

 0.076 



Alive. 



Alive; not very unsound. 



TABLE XXXVIL 



N 



May 20. Test of — KNO3 and NaNOg. Subject, Ceratophyllum. 



Time 



Exp, KNO3 



Cont.,NaNOa 



8:35-1 :4I 



0.021 



0.0296 



1 :4i Bottles 



poured together. 





1:41-8: II 



0.034 



0.039 



8 : 11-8:41 (12.5 hrs.) 



0.057 



0.058 



8:41-11 : 41 (May 21) 



0.073 



0.053 



11:41-11:53(12.2 hrs.) 0.044 



0.043 



This experiment carried the plants past the point of most excessive combustion. 

 The temperature during it was about 24.6''C, — the highest in any of these experi- 

 ments. 



TABLE XXXVIII. 

 June 2. Test of - KNO, and KCL 



5 ^ 



Time 



8:37-12:43 



12:43 

 12:43 

 10:43- 



10:46- 



Bottles 



10:43 



10:46 A. M. 



9:46 (June 3) 



Exp., KNO 



O.02S 



poured together 



0.045 

 0.067 



0.068 



Cont., KCl 



0.027 



0.041 

 0.074 

 0,078 



The plants were *'dead" at 10 : 46 A. M., June 3. 



N 



As already mentioned, plants treated with — KI showed this 



phenomenon, but the parallel culture with KNO^ did not while 

 the experiment lasted. 



