CONTENTS. 



CHAPTER I. THE LEAP. 15 



Ex. 1. The Parts of a Leaf. 16 



2. The Parts of a Grass-Leaf. 17 



3. Venation. 18 



4. The Framework and its Parts 19 



5. Feather-veined and Palmate-veined Leaves 22 



6. Margins 24 



7. Bases 28 



8. Apexes 31 



9. Forms of Lobes 33 



10. Forms of Sinuses 35 



11. Kinds of Leaves 37 



12. Shapes of Leaves 39 



13. Petioles, Surfaces, and Colors 45 



14. Simple and Compound Leaves 47 



15. Parts of Compound Leaves 49 



16. Pinnate and Digitate Leaves 51 



17. Varieties of Pinnate Leaves 52 



18. Varieties of Digitate Leaves 54 



19. Forms of Stipules 57 



20. Examples of Description 59 



CHAJ>. H. THE STEM. 60 



Ex. 21. Parts of the Stem, and Leaf Axil 60 



22. Appendages of the Stem 62 



23. Position of Leaves 64 



24. Arrangement of Leaves on the Stem. 66 



25. Shapes of Stems 69 



26. Attitude of Stems 71 



27. Color, Surface, Size, Structure 74 



