INDEX 
AGRICULTURE, 135 Mycetozoa, 156 
Alien plants, 143 Myxomycetes, 156 
Alpine plants, 190 
Animal-eating plants, 77 Ocean depths, 19, 76 
Animals and plants, 75 Origin of life, 199 
and seed-dispersal, 69 
dependence on plants, 155 Parasites, 183 
Arctic deserts, 19 Peat flora, 41 
plants, 196 Planets, question of life on, 11 
Plant associations, 30 
Bog plants, 41 economy, 98, 141 
British flora, 167 formations, 32 
Isles, vegetation, 25, 30 migration, 48 
Plants, cultivated, 145 
Chlorophyll, 180 earliest, 154 
Cultivated plants, 145 Pollination, 82 
Deserts, 16 Roots, 105 
Fertilization, 82 Salt-marshes, 23, 40 
Flowers, 126 Saprophytes, 181 
display, 85 Seed-dispersal, 49 
structure, 81 Seeds, 50 
Fruit, 131 Semi-deserts, 22 
Fruits, explosive, 55 Shingle beaches, 39 
Soil, 99 
Glacial Period, 165 Stems, Iog 
Grassland, 25 Symbiosis, 79 
Insectivorous plants, 78, 186 Types of vegetation, 31 
Insects and flowers, 81 
Vegetation, closed, 2 
Leaves, I19 Vegetative reproduction, 53 
Life, origin of, 15 
Water, dispersal by, 61 
Man and vegetation, 135 flora, 43, 199 
Marine plants, 201 Wind, dispersal by, 62 
Migration, 48 - Woodiand, 25 
Mountain plants, 189 
Mud-flats, 17 Xerophytes, 36 
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