2i; 



THE STORY OF THE PLANTS. 



Ribs, of leaves, 40. 



Rice, 133. 



" Robin Hood," 30, 31. 



Root-pressure, 168. 



Roots, 54, 7J, loi. 



Ivose family, 156. 



Rose-hip, 156. 



Roses, 178. 



Rotation of crops, 62. 



Runners, 62, 196. 



S. 

 Sage, 101. 

 Salad-burnet, i^6. 

 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. 



" Settinjf " 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, 



Solomon s seal, 113, 137. 



Spathe, 120, 148. 



Species, origin, 203, 205. 



Squill, 113. 



Stamens, 10, 76, 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. 



Svilphur, 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. 

 Tropaeolum, 40. 

 Tuberose, 32. 113, 136. 

 Tubular corolla, 98. 

 Tulip, 70, no, 113, 136. 

 Turk's-cap hly, 112. 

 Turnips, 160. 



u. 



Umbel, 137, 145. 



" Variation," 28, 32, 47, 204. 

 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. 



VV^ater-crowfoot, 39, 93, 173. 

 Water, food furnished by, 



34- 

 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, 



150. 

 Wind-fertilisation, 11, 30, 124. 

 Wood, 165, 166. 



14. 



62, 



Yarns, 160. 



Zinnia, 146- 



z. 



THE END. 



(6) 



