Preface
Part I. Water Plants as a Biological Group, with a Consideration of Certain Typical Life-histories: 1. Water plants as a biological group
2. The life-history of the Alismaceae
3. The life-history of the Nymphaeaceae and of Limnanthemum
4. The life-history of Hydrocharis, Stratiotes, and other fresh-water Hydrocharitaceae
5. The life-history of the Potamogetonaceae of fresh waters
6. The life-history of the Lemnaceae and of Pistia
7. The life-history of Ceratophyllum
8. The life-history of the aquatic Utricularias and of Aldrovandia
9. The life-history of the Tristichaceae and Podostemaceae
10. The life-history of the marine Angiosperms
Part II. The Vegetative and Reproductive Organs of Water Plants, Considered Generally: 11. Leaf types and Heterophylly in aquatics
12. The anatomy of submerged leaves
13. The morphology and vascular anatomy of aquatic stems
14. The aerating system in the tissues of Hydrophytes
15. Land forms of water plants, and the effect of water upon land plants
16. The roots of water plants
17. The vegetative reproduction and wintering of water plants
18. The flowers of water plants and their relation to the environment
19. The fruits, seeds and seedlings of water plants
Part III. The Physiological Conditions of Plant Life in Water: 20. Gaseous exchange in water plants
21. Absorption of water and transpiration current in Hydrophytes
22. The influence of certain physical factors in the life of water plants
23. The ecology of water plants
Part 4. The Study of Water Plants from the Phylogenetic and Evolutionary Standpoints: 24. The dispersal and geographical distribution of water plants
25. The affinities of water plants and their systematic distribution among the Angiosperms
26. The theory of the aquatic origin of Monocotyledons
27. Water plants and the theory of natural selection, with special reference to the Podostemaceae
28. Water plants and the 'Law of loss' in evolution
Bibliography
Index.
