LIST OF ILLUSTRATIONS xi 



FIG. PAGE 



62. Longitudinal Section of the Bud shown in Fig. 61 - - 158 



63. Young Crocus Corm, with Thick, Fleshy, Contractile Root - 159 



64. Radical Leaf of Cuckoo - Flower (Oardamine pratensis), 



showing Formation of New Plantlet on Terminal Leaflet - 160 



65. Poa alpina, showing Replacement of Flowers by Viviparous 



Plantlets - - 161 



66. Diagram of Flower at Time of Fertilization - 163 



67. Convolvulus sepium : Longitudinal Section of Flower - 169 



68. Flower of Geranium, with Sepals and Petals removed to 



show Honey- Glands - 169 



69. Petal of Buttercup with Nectary at Base - - 170 



70. Fennel : Longitudinal Section of Flower - - 170 



71. Monk's-Hood : Longitudinal Section of Flower - 171 



72. Christmas Rose (Helleborus) - - 172 



73. Inflorescence of Cuckoo-Pint (Arum maculatum) - 175 



74. Longitudinal Section of Unfertilized Flower of Aristolochia 176 



75. Diagram of Raceme - 179 



76. Diagram of Corymb - - 179 



77. Diagram of Spike - - 180 



78. Willowherb : Longitudinal Section of Flower, showing 



Long, Stalk-like Inferior Ovary - - 180 



79. Diagram of Cyme - - 181 



80. Diagram of Head (Capitulum) - 181 



81. Diagram of Compound Umbel - 182 



82. Achene (Cypsela) of Dandelion - 186 



83. Samara of Ash - - 187 



84. Nut (Acorn) of Oak-Tree - - 187 



85. Fruit of Edible Chestnut - - 187 



86. Porous Capsule of Snapdragon - 188 



87. Toothed Capsule of SUene - - 188 



88. Capsule of Scarlet Pimpernel, splitting transversely - - 188 



89. Capsule of Iris, splitting longitudinally - 189 



90. Legume of Orobus, split down both Seams - - 189 



91. Lomentum of Sainfoin - 189 



92. Group of Three Follicles of Monk's-Hood, split down One 



Seam only - 189 



93. Siliqua of Mustard, showing the Two Valves split away from 



Central Partition - 190 



94. Double Samara of Sycamore - 191 



95. Schizocarp of Stork's-Bill (Erodium), showing Mericarps 



splitting away from Central Pillar - 191 



96. Schizocarp (Cremocarp) of Fennel, showing the Two Meri- 



carps split apart - - 192 



97. Schizocarp of Mallow - 192 



98. Drupe of Peach cut longitudinally - - 192 



99. Fruit of Gooseberry - - - - - - 193 



