128 



THE BOTANICAL MAGAZINE. 



[Vol. XXII. No. 25J*. 



Explanation of Figures in Plate V. 



In each figure, the horizontal axis represents the number ot 

 rays, 1 section (2 mm.) per 1 ray, and the vertical axis, the 

 number of variates in each class, 1 section per 2 variates. The 

 vertical line about the centre of each frequency-polygon repre- 

 sents the mean. For the further details compare the Table I, II 

 and III. 



