CONTRIBUTIONS FROM THE WISLEY LABORATORY. 



of eyes, the form of eye, the number, situation, and grouping of the 

 sprouts, the condition of the skin and the texture of the tuber were 

 noted, and are recorded in Table I. a (Nos. I to 51). A second 

 selection was then made from the original sending (Table I. b, Nos. 



Plan of Field Experiment, 1912, showing the Condition of the Crop 



in August. 



j Plant 1 



2 



3 





5 



6 



7 



1 8 



1 9 



10 



11 





13 





15 



,6 



17 



18 



19 



20 



21 



22 



*3 



24 



Row 

 I 



G 



G 



B 



_G_ 





G 



G 





G 



B 



G 



B 



B 





G 





G 



G 



G 



G 



G 



G 



G 



! G 



3 



T 





G 



B 



B 



B 



G 



B 





! B 



B 





G 



G 



! B 



B 





B 



G 





l G 





G 



G 



G 



G 



B 





G 





B 





G 



B 



B 



G 



G 



G 



B 





B 





G 



B 







G 



1 



G 



4 



B 







B 









G 



B 



G 





B 





B 



B 





B 



B 



G 



|B 



B 



B 



1 



B 



5 



B 



G 





J 



_°_ 







G 



G 



B 





_2_ 





l G 



B 







G 





G 



B 



G 





G 



6 



G 





G 









G 





B 





G 





B 



B 



1 



G 



B 



G 



B 





B 



G 





G 



7 



1 G 



G 



G 



B 



G 



B 









G 





G 



G 



B 



G 





G 





G 



G 



G 



B 





8 





B 



G 





G 













G 



G 



G l 







B 



G 



G 





G 



B 



1 G 



9 



B 



G 



G 





G 





G 



B 



B 



G 



G 







G 





B 





G 





B 



| 





l B 



10 



B 



G 



G 



B 



G 



G 



G 



B 



B 



G 



G 



B 



G 



G 



G 



G 







G 







G 



| G 



11 



G 



G 





G 



G 



G 



G 



B 





B 



G 





G 



B 



G 



G 





B 



G 



G 





B 





l G 



12 



B 





B 



G 



B 



G 





G 



B 



B 



B 



B 



G 



B 



B 



G 



B 



G 



G 





G 



B 



13 



~ I" 





G 



B 



G 









G 



B 



G 





B 





B 



B 



G 



B 



G 



B 



G 





G 





I G 



14 







B 



G 



G 



B 



G 



B 





B 



G 



G 





B 



G 



G 



B 



B 







B 



±_ 



' B_ 



15 



B 



G 





G 



B 





G 





G 



G 







B 



G 





G 



G 



B 







B 





G 



G 



16 





~G~~ 



G 









G 



B 



G 



G 





o_ 



G 



B 





G 



G 



G 



G 



B 



B 



G 



"b" 



G 



17 



G 



B 



T 



G 









G 





G 



B 



G 



G 





G 



G 



B 



B 



G 



G 



B 







G 



18 









G 



G 





R 



B 



G 



~ 



G 



G 





G 





G 





G 





B 



B 



B 



__G_ 







B 





b 



G 



B 





G 



G 



G 



G 





B 



G 



G 



B 



B 





G 





B 



B 





G 



B 



20 









G 



B 





B 







B 



B 



G 







G 





B 



B 





B 



G 





G 



B 



G 



G 



21 



B 



■ 



G 





B 



~g" 



G 



G 





G 





B 



G 



G 



B 



B 



l G 



B 





B 





~ 





22 





B 





B G 



6 



G 



B 



B 



G 





G ' 







G 



G 



G 



B 



B 



G 





G 







23 





G 



G 



G 



G 



B 





G 



B 



B 



B 





G 



B 



G 







G 



B 



G 



G 



G 



G 



G 



24 









G 



G 



G 



B 



G 







G 



G 





G 



G 



G 



G 





G 



B 



B 







_G_ 



25 



B 



G 



G 



B 



G 







G 



G 





G 



B 



B 



B 



G 



B 



G 



G 



B 



B 







G j 



G 



26 







B 





G 



B 



G 





G 



G 



G 



B 



G 





G 



G 



B 



G 



G 



G 





B 



B 



27 



B 





G 



G 



B 



G 







G 





B 1 



B 



G 



G 





G 







B 



G ! 



1 



1 



G 











B 



B 



G 



B 





G 



G 



G 



G 



0 



B 



G 







G 





G 



G 



1 



G 





29 



B 



G 



B 



G 



B 



G 



G 



G 



G 



B 





G 







G 



B 



B l 



G 



B j 



B 



G 





G 



G 



30 



G 



B 





G 







B 



G 





B 





B 



B 





B 



G 



G 



B \ 





B 



G ! 





G ! 



G 



31 

 32 







G 



G 

 G 



B 



G 



IT 

 B 



B 



G 

 G 



G 





B 

 B 



_ 



B 



B 



B 



z 



G 

 G 



G 

 G 



G 



~G~ 

 G 



B 



G 



G 

 G 



G 



G 



G 

 ~G~ 



33 



B 



B 





B 



B 









B 





B 



B 





G 





B 







B 



B 



B 







B 



34 



B 



B 





B 



B 





B 



B 





B 



B 



B 





B 



B 



B 



B 





B 



B 







■ 



B 



35 



G 



B 



G 



B 



B 





G 



B 



B 



B 



B 



G 



G 



G 



B 



G 



B 



B 



B 





B 



G 



B 



G 



36 



B 





B 



B 



B 



0 



B 



E 



G 



B 































G =- good plant. B = bad plant. A blank square indicates that the haulm was dead or that the tuber 



had failed to develop. 



