Neo-Mendelism 75 



not identical, will be cumulative in increasing the height 

 of the plant. Of course a single dose of one type of 

 factor will not bring the same increase in height as would 

 a single dose of one of the other types, and therefore the 

 mathematics of the situation would be slightly modified. 

 The fundamental mathematical system, however, would 

 remain the same, and we would have the satisfaction of 

 dealing with a natural mechanism rather than an 

 artificial one. 



1. Emerson, R. A., and East, E. M., The inheritance of quanti- 

 tative characters in maize. Bull. Agric. Exper. Sta. Nebr. 

 no. 2. pp. 120. figs. 21. 1913. 



2. Nilsson-Ehle, H., Einige Ergebnisse von Kreuzunger bei 

 Hafer und Weizen. Bot. Notiser 1908: 257-294. 



, Kreuzungsuntersuchungen an Hafer und Weizen. 



Lunds Univ. Arsskr. N.S. II. 5:1-122. 1909. 



