ON PLANT LIFE 115
Structure of Flowers 128
Insects and Flowers 134
Past History of Flowers 136
Fruits and Seeds 137
Leaves 138
Aquatic Plants 144
On Hairs 148
Influence of Soil 151
On Seedlings 152
Sleep of Plants 152
Behaviour of Leaves in Rain 155
Mimicry 156
Ants and Plants 156
Insectivorous Plants 158
Movements of Plants 159
Imperfection of our Knowledge 163