2i 

 DAYS 





> 



6i 

 DAYS 



12 

 DAYS 



CONTROL 



TREATED 

 2:4-D 



Fig. 3. Autoiadiogiams of Euoriyniiis leaves exposed lo CO, for 4 liouis. Left. 

 Leaves suhscfiiieiitly treated willi drop of elhaiiol. Right. Leaves sul)sequently 

 treated with a drop of ethanol conlaiiiiiig the l)iii\l csici of LM 1). Leaves sam- 

 pled 21/^, 6i/[,, and 12 davs after tu\iiiiuiii. 



