The Food Making of Plants 



93 



Treat a castor-oil bean or a piece of onion in the same 

 manner. No blue appears, because their food is not stored as 

 starch. 



Fig. 8o. — Learning plant ways in Eunice High School, Bloemfontein. 



Ex. 38. Starch formed in Green Leaves.— In the afternoon of a 

 bright day, place a few green leaves in a strong solution of chloral 



