The Operation of Nutrition and Selection. 547 



The culture extended in 1893 over four and in 1804 

 over six square meters, manured with dried cow manure 

 and horn-flour as before. Two plants with mean fruil- 

 lengths of 2Z.2 and 23.4 mm. were chosen to supply the 



SHORT-FRUITED RACE IN THE YEARS 1893 AND 1804. 



1893 crop. In this year the short-fruited plants afforded 

 so little seed, partly on account of the small number of 

 artificially fertilized flowers, that seed of six plants had 

 to be harvested to provide a sufficient quantity (8.6 ccm). 



