LIST OF TEXT FIGURES. xiii 



PAGE 



Figure 44. Longitudinal section of seed 94 



45. Development of flower 99 



46. Ovule of TV. odorata from a half-grown bud 102 



47. Embryo sac of N. odorata 102 



48. Embryology 105 



49. Seedlings of a hybrid Nymphaea of the Lotos group 108 



50. Seedling leaves 1 10 



51. First broad (submerged) leaf of N. lotus seedling 112 



52. A strong-growing waterlily in shallow water 119 



53. Nymfhaea elegans, details of flower 132 



54. Nymfhaea flavo-virens, details of flower 138 



55. Nymfhaea caerulea, details of flower and fruit 142 



56. Nymfhaea hcudelotii, flower and leaves 148 



57. Nymfhaea hcudelotii nana, leaf and flowers 149 



58. Nymphaea ovalifolia, leaf and flower 150 



59. Nymfhaea calliantha, leaf and flower 151 



60. Nymfhaea capensis, details of flower 154 



61. Nymphaea capensis zansibariensis, details of flower 158 



62. Nymfhaea sliihlnianiiii, leaf and flower 162 



63. Nymfhaea mexicana, details of flower and fruit 164 



64. Nymphaea mexicana, seedling leaves 165 



65. Nymfhaea tetragona, details of flower 168 



66. Nymfhaea Candida, leaf 173 



67. Nymfhaea odorata, details of flower and leaf 181 



68. Nymfhaea odorata minor, details of flower 184 



69. Nymfhaea odorata gigantea, details of flower 187 



70. Nymfhaea tuberosa, details of flower 189 



71. Nymfhaea tuberosa, tubers and water-leaves 190 



72. Nymfhaea tuberosa, details of leaf 191 



73. Floral organs of the Lotos group 193 



74. Early leaves of the Lotos group, from germinating tuber 195 



75. Nymfhaea zcnkeri, flower and leaf 197 



76. Nymfhaea dumasii, leaf (after Schenck) 216 



77. Nymfhaea fulcherrima, details of flower 224 



78. Nvmfhaea Pennsylvania, details of flower 225 



79. Nymfhaea cafensis X zansibariensis, details of flower 226 



So. Nymfhaea elegans X sancibariensis, details of flower 226 



81. Nymfhaea " Win. Stone," details of flower 227 



82. Nymfhaea " Mrs. C. W. Ward" details of flower 228 



