List of Text Figures. xiii 



PAOB 



Figure 44. Longitudinal section of seed 94 



45. Development of flower 99 



46. Ovule of N. 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 no 



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



52. A strong-growing waterlily in shallow water 1 19 



53. Nymphaea elegans, details of flower 132 



54. Nymphaea Aavo-virens, details of flower 138 



55. Nymphaea caerulea, details of flower and fruit 142 



56. Nymphaea heudelotii, flower and leaves 148 



57. Nymphaea heudelotii nana, leaf and flowers 149 



58. Nymphaea ovalifolia, leaf and flower 150 



59. Nymphaea calliantha, leaf and flower 151 



60. Nymphaea copensis, details of flower 154 



61. Nymphaea capensis zanzibariensis, details of flower 158 



62. Nymphaea stuhlmannii, leaf and flower 162 



63. Nymphaea mexicana, details of flower and fruit 164 



64. Nymphaea mexicana, seedling leaves 165 



65. Nymphaea tetragona, details of flower 168 



66. Nymphaea Candida, leaf 173 



67. Nymphaea odorata, details of flower and leaf 181 



68. Nymphaea odorata minor, details of flower 184 



69. Nymphaea odorata gigantea, details of flower 187 



70. Nymphaea tuberosa, details of flower 189 



71. Nymphaea tuberosa, tubers and water-leaves 190 



72. Nymphaea 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. Nymphaea zenkeri, flower and leaf 197 



76. Nymphaea dumasii, leaf (after Schenck) 216 



77. Nymphaea pulcherrima, details of flower 224 



78. Nymphaea Pennsylvania, details of flower 225 



79. Nymphaea capensis X zanzibariensis, details of flower 226 



80. Nymphaea elegans X zanzibariensis, details of flower 226 



81. Nymphaea " Wm. Stone," details of flower 227 



82. Nymphaea " Mrs. C. W. Ward',' details of flower 228 



