2l8 



THE STORY OF THE PLANTS. 



Ribs, of leaves, 40. 

 Rice, 133. 



" Robin Hood," 30, 

 Root-pressure, 168. 

 Roots, 54, J2, lOI. 

 Rose family, 156. 

 Rose-hip, 156. 

 Roses, 178. 



Rotation of crops, 62. 

 Runners, 62, 196. 



Sage, 101. 



Salad-burnet, izd. 



Salvias, loi ; scarlet, 149. 



Samphire, 138. 



Sand-box tree, 152. 



Sap. 169, 175. 



Scabious, 137, 139, 142. 



Seaweed, 207. 



Seeds, dispersion of, 12, 149. 



Self-fertilisation, 85, 135. 



Sepals, 83. 



'* Setting " melons, 107. 



Sex in plants, 73, 105. 



Shaddock, 157. 



Shepherd's purse, 135. 



Side-saddle plant, 66. 



Smuts, 208. 



Snap-dragon, loi. 



Snowdrop, 71, 113. 



Snowflake, summer, 114. 



Soil, food furnished by the, 34, 



59- 

 Solomon's seal, 113, 137. 

 Spathe, 120, 148. 

 Species, origin, 203, 205. 

 Squill, 113. 



Stamens, 10, -j^t, 79, 80, 86, 125. 

 Stapelia, 102. 



Star-of-Bethlehem, 113, 136. 

 Stems, 161. 

 Stephanotis, 32. 

 Stigma, 81. 

 Stomata, 171, 193. 

 Strawberry, 155, 196. 

 " Struggle for Existence," 27. 

 Style, the, 82. 

 Suckers, 62. 



Sulphur, how plants obtain, 57. 

 Sun, source of energy, 16. 

 Sundew, 63. 



Sunflower, 139, 145, 146, 147. 

 Sweet-pea, 97. 

 Sweet-william, 137. 



T. 

 Teasel, 65. 

 Thistle, 143. 

 Thistledown, 152. 

 Thorns, 46. 



Tiger lily, 104, 112, 197. 

 Toad-flax, ivy-leaved, 200. 

 Toothed leaves, 45. 

 Toothwort, 180. 

 Tropseolum, 40. 

 Tuberose, 2,^, 113, 136. 

 Tubular corolla, 98. 

 Tulip, 70, no, 113, 136. 

 Turk's-cap lily, 112. 

 Turnips, 160. 



U. 



Umbel, 137, 145' 



V. 



" Variation," 28, 32, 47, a04« 

 Vascular plants, 206, 210. 

 Vascular tissue, 40, 49. 

 Veins of leaves, 41. 

 Venus's fly-trap, 63. 

 Vetch, 97, 190. 

 Vines, 179. 

 Violet, 104. 



W. 



Water-crowfoot, 39, 93, 173. 

 Water, food furnished by, 14. 



Water-lily, 88. 136, 173. 

 Water plant, earliest, 22, 26. 

 Water-plantain, 109, iii. 

 Wheat, 133. 

 Whitlow-grass, 184. 

 Whortleberry, 156. 

 Willows, 132. 

 Wind, as seed carrier, 12, 62, 



150. 

 Wind-fertilisation, 11, 30, 124. 

 Wood, 165, 166. 



Yarns, 160. 



Zinnia, 146. 



Y. 



THE END. 



(14) 



