46 



PLANTS AND SUNLIGHT 



79. Looking at the top of a Norway maple. As the bird sees it. 



other to the least possible degree. If the plant were placed 

 in a new position with reference to light, the leaves would 

 make an effort to turn their blades. Observe the shingle-like 

 arrangement in Fig. 79. If the pupil were to. examine the 



80. Looking up into the same tree. As the squirrel sees it. 



