CAROTINOIDS IN THE PHANEROGAMS 91 



thin having been found in specific cases, which are enumerated in the 

 text. Carotihoids are also found in certain seeds whose carpcllary 

 tissue is less highly colored. The cereal grains also contain carotin 

 and xanthophylls. The pigment of yellow maize is characterized by 

 a large proportion of xanthophyll carotinoid. 



