12. When did the leaves begin to fall? Place in your note book the date when the tree finally becomes bare.

13. Have you found any seeds from your tree? If so, describe them.

14. How are they dispersed and planted?

15. Are both seeds of the pair filled out?

16. How high is your tree?

17. How large an area of shade does it produce? If it stands alone, measure the ground covered by its shadow from morning until evening.

18. How has its shadow affected the plants beneath it? Are the same plants growing there that grow in the open field?

19. Make a sketch of the tree you are studying, showing its outline.

20. Make a sketch of the leaf of the sugar maple.