340 



NATURE-STUDY 



by simply laying a pot of young plants on its side. Grain 

 that has been blown down or lodged in the fields will often, 

 if not too ripe, grow upward again. 



Plants generally turn toward the light. Set a box of seed- 

 lings in the window. In a very short time, if the light is 

 strong, the plants will all be bending toward the light. Turn 



FIG. 137. Plants Turning Toward the Light. 

 ( Squash seedlings.) 



the box around and see how long it is before the plants have 

 again bent toward the light. 



Most plants hold their leaves toward the light and tend 

 to grow in that direction. Notice this in the geraniums, 

 nasturtiums, and other window plants. Why do people turn 

 their window plants around occasionally? 



The sunflower has apparently a special fondness for the 

 sun. Observe the top of a young plant outdoors at dif- 

 ferent times in the day, and see how the head follows the 

 sun in its course. 



Visit the edge of a grove or forest. Note how the outer 



