94 



AMERICAN JOURNAL OF BOTANY 



[Vol. 8 



90 - 



fP/COTVL OFL/M SQ 



= UJMEJfOUS 

 = T7VMEROUS 



FIG. 22. Percentage frequency distribution of number of bundles in central region 

 epicotyl. 



for line 93 are essentially the same as those for line 75. The graph for lint 

 139 is in essential agreement with that for line 98 and is not drawn. 



In the dimerous plants the difference between the form of the frequency 

 distributions for number of epicotyledonary bundles in lines 75 and 93 01 



