^ 



Figure III, 12 o 



Chlorophylls a' and b» formed by scalding barley 

 leaves with boiling water for 10 minuteSo 



U 



-Y NEOXANTHIN 



-Y VIOLAXANTHIN 

 -YG CHLOROPHYLL b 



-YG CHLOROPHYLL b' 



-Y LUTEIN + 



ZEAXANTHIN 



-G CHLOROPHYLL a 



-G CHLOROPHYLL a^ 



-Y A-CAROTENE ± 

 a-CAROTENE 



