VARIATION— GENERAL RESULTS. 



17 



diagrams, is that if we compare Series I, II, and III with each other it 

 is noticeable that, of the three, Series I has the lowest frequency of 

 whorls with 10 leaves. Series II has about 2 per cent more 10-leaved 



Table 1.— Frequency distribution for variation in number of leaves per whorl for 

 all unmutilated whorls, without reference to position on the plant. 



«The "distribution numbers" are merely the serial numbers by which the distributions are 

 designated in our notes. They have been retained in the paper for convenience in referring to 

 particular distributions. 



whorls, while Series III has 4 per cent more of such whorls than does 

 Series I. In other words, there is a progressive increase in the pro- 

 portion of 10-leaved whorls as we go from Series I to Series III. The 



