Deserts, 16 Fertilization, 82 Flowers, 126 display, 85 structure, 81 Fruit, 131 Fruits, explosive, 55 Glacial Period, 165 Grassland, 25 Insectivorous plants, 78, 186 Insects and flowers, 81 Leaves, 119 Life, origin of, 15 Man and vegetation, 135 Marine plants, 201 Migration, 48 Mountain plants, 189 Mud-flats, 17 Mycetozoa, 156 Myxomycetes, 156 Ocean depths, 19, 76 Origin of life, 199 Parasites, 183 Peat flora, 41 Planets, question of life on, 11 Plant associations, 30 economy, 98, 141 formations, 32 migration, 48 Plants, cultivated, 145 earliest, 154 Pollination, 82 Roots, 105 Salt-marshes, 23, 40 Saprophytes, 181 Seed-dispersal, 49 Seeds, 50 Semi-deserts, 22 Shingle beaches, 39 Soil, 99 Stems, 109 Symbiosis, 79 Types of vegetation, 31 Vegetation, closed, 24 Vegetative reproduction, 53 Water, dispersal by, 61 flora, 43, 199 Wind, dispersal by, 62 Woodland, 25 Xerophytes, 36 PRINTED IN GREAT BRITAIN BY BILLING AND SONS, LTD., GUILDFORD AND ESHER FOOTNOTES: [1] SVANTE ARRHENIUS: “The Destinies of the Stars.” Translated by J. E. Fries. Putnam, 1918. [2] F. SODDY: “Matter and Energy,” 1912, p. 194. [3] A. G. Tansley: “Types of British Vegetation,” 1911, p. 63. [4] H. B. GUPPY: “Plants, Seeds, and Currents in the West Indies and Azores,” 1917, p. 425. [5] W. B. BARROWS: “Seed-planting by Birds.” Report of the Secretary of Agriculture, U.S.A., 1890, p. 281. [6] See A. H. CHURCH: “The Plankton-phase and the Plankton-rate,” _Journal of Botany_, June, 1919, supplement. [7] G. H. CARPENTER: “Insects: Their Structure and Life,” p. 300. [8] W. B. BOTTOMLEY in “The Exploitation of Plants,” edited by F. W. Oliver, 1917, p. 12. [9] To be accurate, certain groups of Bacteria, the lowest forms of organized life, must be excluded. They appear capable of building up their bodies directly out of inorganic substances. [10] F. J. HANBURY and E. S. MARSHALL: “Flora of Kent,” 1899, p. xxxv. [11] A. F. W. SCHIMPER: “Plant Geography” (English translation, 1903), p. 719. [12] A. F. W. SCHIMPER: “Plant Geography” (English translation, 1903), p. 41. [13] See AGNES ARBER: “Aquatic Angiosperms: the Significance of their Systematic Distribution,” _Journal of Botany_, 1919, p. 83. End of the Project Gutenberg EBook of Aspects of plant life; with special reference to the British flora, by Robert Lloyd Praeger