XH TABLE OF CONTENTS. 



PAGE 



i. In the Individual Leafy Stem. 



Sect. 60. General Rules 233 



I. „ 61. Dicotyledonous Type. Dicotyledons 235 



Gymnosperms 24s 



II. „ 62. Anomalous Dicotyledons 248 



Medullary Bundles . . 248 



„ 63. Cortical Bundles 256 



III. „ 64. Palm-type. Simple Form .261 



„ 65-67. Modification of the Palm-type 264 



„ 68. Monocotyledonous Seedlings. Aroideae 267 



IV. „ 69. Type of the Commelinese 269 



V. „ 70-71. Anomalous Monocotyledons 274 



VI. „ 72. Phanerogams with an Axile Bundle 277 



VII. „ 73. Fern-like Plants. General Observations 278 



„ 74. Equisetum 279 



„ 75. Osmundacese 279 



„ 76. Isoetes 280 



„ 77. Psilotum and Lycopodium 280 



„ 78. Selaginella 282 



„ 79. Filices and Hydropterideae 283 



„ 80-83. Axile Bundle. Tube of Bundles 283 



„ 84. Concentric Rings of Bundles 289 



„ 85-87. Medullary and Cortical Bundles 291 



c. Course of the Bundles in the Leaves and Foliar Expansions. 



„ 88. Nodes, Stipules 296 



„ 89. Petiole 298 



„ 90. Lamina. Nervation 298 



„ 91. Superficial Divarication of the Bundles 299 



„ 92. Position as seen in Vertical Section 305 



Note. Distribution of the Forms of Nervation 306 



d. Connection between the Bundles of different Orders of Shoots and 



Branches. 



„ 93. General Considerations 307 



I. Similar Branches of Leafy Stems. 



I. Normal Branches. 



„ 94. Type of the Dicotyledons and Gymnosperms 307 



„ 95. Other Phanerogams 311 



„ 96. Fern-like Plants 312 



II. Adventitious Shoots. 



"97 315 



II. Roots. 



^ .. 98 fih. 



B. Structure of the Vascular Bundles. 



„ 99. General Observations 316 



