A LINEATED MAIZE LEAF 
This very fine white striping occurs in the uppermost leaves, usually beginning in 
The stripes are ‘‘usually from 1/10 to 1/4 mm, 
Being closely spaced, 
about the tenth leaf from the seed. 
in width and vary from a few millimeters to many in length.” 
they give a grayish effect to the upper leaves, in contrast to the normal green of 
the lower ones. (Frontispiece). 
