CONTENTS. 



PART L MORPHOLOGY. 



PASS 



1. Introductory . 1 



2. The Life-History of Plants 2 



3. The Segmentation of the Body 8 



4. The Symmetry of the Body and of the Members .... 4 



5. The Development of the Body and of the Members ... 8 



6. The Arrangement of the Lateral Members 10 



7. Development of Branch-Systems 18 



8. Cohesion and Adhesion 21 



9. The Thallus 22 



10. The Shoot 22 



11. The Stem 27 



12. The Leaf 28 



13. The Boot 44 



14. Hairs and Emergences 46 



15. Reproduction . . .49 



16. General Morphology of the Asexual Reproductive Organs . . 51 



17. General Morphology of the Sexual Reproductive Organs . . 58 



18. The Fruit 61 



19. The Seed 62 



PART IL ANATOMY AND HISTOLOGY. 



20. Introductory 63 



CHAPTER I. THE CELL. 



21. The Structure and Form of the Cell 66 



22. The Protoplasm 68 



23. The Cell- Wall 72 



24. Cell-Contents 78 



25. Cell-Formation 83 



CHAPTER II. THE TISSUES. 



26. The Connexion of the Cells . . . . . . .88 



27. Intercellular Spaces 89 



28. Forms of Tissue 90 



29. General Morphology of the Tissue-Systems 101 



30. The L'riinary Tegumentary Tissue 106 



31. The Primary Ground-Tissue 110 



ix 



