xiv LIST OF ILLUSTRATIONS 



FIG. PAGE. 



49. Cypripedium Cross-section of Rootlet 129 



50. Vanilla planifo'ia Branch Showing Leaf and Flowers 131 



51. Bourbon Vanilla I3 2 



52. Mexican Vanilla I3 2 



53. Tahiti Vanilla I3 2 



54. Wild Vanilla I3 2 



55. Piper cubeba Fruiting Branch and Fruit (enlarged) 134 



56 Piper nigrum Branch and Fruit 136 



57. Salix alba Branch 138 



58. Quercus alba Branch 140 



59. Quercus lusitanica Branch and Nutgall 142 



60. Chestnut Leaf (natural size) " 144 



61. Ulmus fulva Branch 145 



62. Cross-section of Bark of Ulmus 146 



63. Cannabis indica Branch 148 



64. Ficus carica Branch and Fruit 1 50 



65. Santalum album Branch I5 2 



66. Aristolochia serpentaria 153 



67. Cross-section of Rhizome of Serpentaria '. 153 



PLATE I. PHOTOMICROGRAPHIC CROSS-SECTIONS OF RHUBARB 156 



68. Phytolacca Cross-section of Root 160 



69. Cimicifuga racemosa Plant and Rhizome 162 



70. Cimicifuga Cross-section of root 163 



71. Cimicifuga Rhizome Cross-section 163 



72. Hydrastis canadensis 165 



73. Hydrastis Rhizome Cross-section 166 



74. Anemone pratensis 168 



75. Delphinium staphisagria Flowering Branch and Seed 170 



76. Aconitum napellus Flowering Branch and Tuber 171 



77. Aconite Tuber Cross-section 172 



78. Microscopical Elements in Powdered Aconite Tuber (Root) 173 



79. Illicium verum Flowering Branch and Fruit 175 



80. Flowering Branch of Liriodendron tulipifera 176 



81. Myristica fragrans Branch and Fruit 177 



82. Jateorrhiza palmata Portion of Vine 179 



83. Cross-section of Columbo Root 180 



84. Pareira Brava Cross-section, showing the radiating central cylinder and 



the zones of wood-edges and medullary rays 181 



Cross-section of Minispermum 182 



Anamirta cocculus Flowering Branch, Fruit, and Section of Fruit 183 



Cross-section of Caulophyllum 184 



Podophyllum peltatum Plant and Rhizome 185 



Podophyllum Rhizome Cross-section 1 86 



Podophyllum Rootlet Cross-section 186 



Podophyllum Powder 187 



Berberis Aquifolium Cross-section 188 



Cinnamomum zeylanicum Branch : 190 



Cinnamomum zeylanicum Cross-section of Bark 190 



Cinnamomum cassia Cross-section of Bark t 191 



Cinnamomum cassia Branch 192 



Cinnamomum saigonicum Cross-section of Bark 194 



