240 



KUMPTA COTTON AND ITS IMPROVEMENT 



hand, probably diminish the amount of natm-al crossing by securing fer- 

 tilization as soon as the anthers burst open.^ 



Soo 



l. 



o 



•q 



I ■ let^U of /$c Sructeole. 

 -.«- — — Breac/M o^ ^e Bracteole, 



Fig. 5. 



1 Lawrence Balls ("Cotton Plant in Egypt," pp. 118-119) has studied this subject in 

 some detail, but his conclusions that the length of the style is a minor factor in natural 

 crossing probably requires to be revised under^different conditions. 



