490 Prof. W. B. Bottomley. Effects of Auximones on 



A graphical representation of these figures is shown in the following 

 diagram : 



o 7,000 



iA 6,500 



§ 6,000 



Jj 5,500 

 g 5,000 

 424,500 

 1—1 



4,000 



H 3,500 



•$ 3,000 

 h 2)500 



•H 



to 2,000 



3 1,500 



Ph 



i 1,000 



-r-l 



^ 500 

 PS 



100 

 o 





















Nirrr 



iter 



of 



Pla 



IltS 





1 



4 

















4 

















































L 

















I 

















3/ 

































































c / 



































5 6 7 8 

 Time in weeks 



Fig. 2. 















Wei 



gilt 



of 



Pla 



nts 















4 













1 













L 













1 





































V 































































) 3 



I 2 



^ f 



> 4 



k i 



; 6 



A. Series II 



B. „ III 



C. „ IV 



D. „ V 



Detmer + water extract of bacterised peat. 

 „ + water extract free from huruic acid. 

 „ + alcoholic extract. 

 „ + phosphotungstic fraction. 



The marked superiority in size, as indicated by weight, of the plants 

 supplied with auximones is shown in the Table below. The mean weight of 

 five sets, each consisting of 100 plants, at the beginning of the experiment 

 was 12 nig., and the corresponding weights of 100 plants in every series was 

 calculated from the third week onwards, from the average weights and 

 average numbers obtained from all ten dishes in each series. 



