NATURE-STUDY LESSONS. 105 



28. As the new stem develops and the season advances 

 observe the lateral, or axillary buds. 



29. How does the new stem differ from that of last 

 year? 



30. Compare the structure of the new stem with that 

 of a sunflower, geranium or flax. 



F. The Flower. 



31. Examine the flower-cluster. 



32. Select a single flower and describe the parts pre- 

 sent. 



33. Compare the parts of this flower with those of 

 other maple-flowers of the neighborhood. 



34. Note the date of the blossoming of the tree and 

 compare it with the time other trees blossom. 



G. The Fruit. 



35. Watch the development of the fruit. 



Winged fruit like that of the maple, ash or elm is called a key or samara. 



36. Draw a maple key. 



37. Compare the shape and size of the keys with those 

 of other maples of the neighborhood. 



38. Compare the fruit of the maple with that of the elm. 



39. Infer why these fruits have wings. 



40. Find a sprouting maple-seed. 



41. Note the time when the seeds of different kinds of 

 maple-trees may be found sprouting. 



42. In what kind of soil does the maple grow to 

 greatest perfection in your neighborhood? 



H. The Leaf. 



43. Where do the new twigs grow ? 



44. Of what use are twigs to trees ? 



45. Count the leaves on a single branch. 



