No. 629] 



FLOWER NUMBER IN VERNONIA 



531 



mum among the larger brandies. It is obvious that 

 there is very little relation between position and flower- 

 number and the same conclusion is supported by the data 

 from other plants. 



I ml 



5 SjSSS—Ssls, 



;;; % 



i i i 



iiring heads and tl 

 umber of flowers pc 

 ble III. Of these 

 ?, collected from r 



