FLUCTUATION 



103 



length only of those characteristics which interest the 

 consumer of the crop. 



do. do. 



do, do. 



35 mm. 



Fig. 49.— Maximum Lint-length op Single Seeds. 



X Mean length of parent plant. 



— Pure strain of Aflfi. 



... Commercial "varieties." 



"Field a and 6 " were different field plots carrying alternating rows of 



various cottons. 



Fluctuation in this respect has been shown to vary with 

 the season and cultivation, with the sowing distance, &c. 



