10 



FIRST LESSONS WITH PLANTS 



tions where the buds were are still prominent ; and 

 these scars may often be found on branches many 

 years old. The conclusion is that the method of 

 branching of a tree depends more upon the posi- 

 tion of the buds with reference to light than it 

 does upon the position with reference to their 

 arrangement upon the twig. 



12. Let the pupil lie under a dense shade tree 

 on a summer's day and look up into the dark 

 top. He will find that the interior of the top is 

 poorly supplied 

 with leaves, and 

 that the long 

 branches are leafy 

 at the ends. The 

 outside of the top 

 presents a wall of 

 foliage, often so 

 well thatched as 

 to shed the rain 

 like a roof, but 

 the inside is com- 

 paratively bare. 

 The tree may be 

 a maple. Fig. 5 

 is the tip of a side shoot. The lower leaves 

 have stretched out their stalks in eagerness for 

 the sunlight, for the newer leaves are constantly 



PIG. 6. 

 Tip shoot of Norway maple. 



