LIST OF ILLUSTRATIONS xi 



FIG. 



55. Shoot oi Helianthemum celandicum . 93 



56. Polycjala vulgaris: section of flower (after H. Miiller) . 95 

 ^'^- ^°- flower opened out (after H. Miiller) 95 

 58. Fiote ccnuna ; section of flower ; and stamen . 96 

 ^^- Do. capsule with seed 97 

 6'-*- Do. do. after ejecting the seeds 97 



61. Do. with cleistogamous flower 98 



62. Viola hiiia, with fruit . . . XOO 



63. Malva sylvestris, with stamens and stigmas (after H. Miiller) . 120 



64. Do. rotundifolia, do. do. 120 



65. CurTpel oi Malva moschata , 121 



66. Fruits and bract of Lime , . . .122 



67. Embryo of Lime . 123 



68. Seedling of Lime . . 124 



69. Geramwm prateise (after Bentham) . . 125 

 '70. Do. young flower . 126 



71. Geranium sylvaticum (after Bentham) . . 126 



72. Herb Robert (G. Bobertianum) . . 128 



73. Geranium dissedum : dispersal of fruit 129 



74. Do. Bobe7-tianum : do. 129 



75. Seedling of Geranium, sanguineum . . .130 



76. Section through embryo of Geranium, showing the mode of 



folding of the cotyledons . . 130 



77. Awnei bnit oi Erodium glaucophyllum . . .132 



78. Oxalis Acetosella : leaf by day and by night (after 



Darwin) . . . . .135 



79. Transverse section of the motile organ of a leaflet of Oxalis 



carnea (after Sachs) . . . . 136 



80. Longitudinal section of same, and leaf-stalk (after Sachs) . 137 



81. Oxalis Acetosella: arrangement of the chlorophyll grains in 



a cell of the leaf : a, in diffuse light ; b, in sunlight ; c, 



in long-continued sunlight (after Sachs) . . 138 



82. Flower of Balsam, in two stages (after Knuth) . 140 



83. Seedling of Acer Pseudo-platanus . 143 



84. Fruit and rolled cotyledons of do. . . 144 



85. Transverse section of seed of ^Monj^TOMS 145 



86. Longitudinal do. do. 145 



87. Embryo of Bean . 147 



88. Pod of Common Vetch, illustrating dehiscence . 149 



89. Lathyrus Nissolia : seedling . . . 150 

 90-93. Sarothamnus (Broom) : flower, illustrating explosive action 



in pollination (after H. Miiller) . . 151 



