j., 1921] HARRIS AND OTHERS SEEDLINGS OF PHASEOLUS 



79 



&quot;ABLE 7. Total number of bundles at base of hypocotyl in trimerous and dimerous seedlings. 

 Primary double bundles are counted as one bundle only 



75 



LINE 93 



FIG. 15. Percentage frequency distribution of total bundles at base of hypocotyl. 

 Primary double bundles counted as single bundles. 



