HARRIS PHASEOLUS 



155 



with respect to number of primordial leaves; and a series of weigh 

 ings of total epicotyledonary tissue. 



TABLE I 



MEAN GREEN WEIGHT PER PLANT AND PER LEAF IN SEEDLINGS OF A TETRACOTYLE- 

 DONOUS RACE AND IN NORMAL PLANTS OF THE ANCESTRAL RACE 



PLANTS UNCLASSIFIED wira RESPECT TO NUMBER OF PRIMORDIAL 

 LEAVES. In preliminary work (samples 226-229) the total weight 

 of primordial leaf tissue in the abnormal seedlings is compared 



