86 



THE INHERITANCE OF CHARACTERS IN RICE 



variation noted as existing in the piebalds is to any extent dependent on the 

 heterozygosis or otherwise of the localization factor. 



Table VII. 



Piebald localization factor. 



Dark Furrows 



Origin of parent 



No. 47, F 



Piebald Self-colour 



Golden 



Piebald Self- colour 



Natural crosses 



No. 639, F2, not counted 



Total 

 Calculated 3:1 



16 

 39 



19 

 147 



390 

 433 

 233 

 330 



12 

 177 

 121 



39 



40 



15 



101 



180 



1,615 



4,940-25 : 1,646'75 



Total . . 

 Calculated 3:1 



685 



700-5 



55 

 44 



21 



12 



5 



42 

 63 



249 

 233-5 



There can be no doubt that the same factor is concerned in both types of 

 colouring though the numbers illustrating this are not very good approxima- 

 tions toa,9 : 3 : 3 : 1 ratio. 



(e) Purple pigmentation. 



The occurrence of anthocyan pigmentation in some part of the plant is 

 extremely common and difierent locaUzations of this colouring form some of 

 the most striking varietal characters. 



The pigment, which occurs in solution in the cell-sap, will be referred to 

 throughout as purple. The actual appearance, however, varies considerably 



