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 



3. Looking up into the same tree. — As the squirrel 



