xu 



TABLE OF CONTENTS. 



II. 



III. 



IV. 



V. 



VI. 



VII. 



/'. I?i the Indnndiial Leafy Stem. 

 Sect. 60. General Rules ..... 



., 61. Dicotyledonous Type. Dicotyledons 

 Gymnospeims ..... 



.. ' 62. Anomalous Dicotyledons . 



Medullary Bundles .... 



„ 63. Cortical Bundles .... 



,, 64. Palm-type. Simple Form . 



„ 65-67. Modification of the Palm-type 



J, 68. Monocotyledonous Seedlings. Aroideas 



,, 69. Type of the Commelincic . 



„ 70-71. Anomalous Monocotyledons . 



„ 72. Phanerogams with an Axile Bundle . 



,, T}). Fern-like Plants. General Observations 



„ 74. Fquisetum ...... 



„ 75. Osmundaceas ..... 



„ 76. Isoetes ...... 



„ TJ. Psilotum and Lycopodium . 



„ 78. Selaginella ...... 



„ 79. Filices and Hydropterideas 



„ 80-83. Axile Bundle. Tube of Bundles 



„ 84. Concentric Rings of Bundles 



,, 85-87. Medullary and Cortical Bundles 



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



„ 88. Nodes, Stipules ..... 



„ 89. Petiole 



,, 90. Lamina. Nervation .... 

 „ 91. Superficial Divarication of the Bundles 

 „ 92. Position as seen in Vertical Section . 



Note. Distribution of the Forms of Nervation 



d. Co7inection between the Bundles of different Orders of Shoots and 



Branches. 



„ 93. (General Considerations 



I. SiMiL.vR Branches ok Leafy Stems. 

 I. Normal Branches. 



,, 94. Type of the Dicotyledons and Gymnosperms 

 ,, 95. Other Phanerogams ..... 

 ,, 96. P"ern-like Plants ...... 



II. Ad^ientitious Shoots. 



97- 



1 1 . Roots. 



98. 



PAGE 



235 

 245 



248 



248 



256 



261 



264 



267 



269 



274 



277 



278 



279 



279 



280 



280 



282 



283 



283 



289 



291 



296 

 298 

 298 

 299 



305 

 306 



307 



B. StruoUire of the Vascular Bundles. 

 ,. 99. General Observations ..... 



307 

 311 

 312 



315 



315 



316 



