48. Foliage and fruits of Calamites 62 (1, 2). Asterophyllites 62 (3, 4). Annularia 62 (5, 6). Sphenophyllum 62 49. Araucarioxylon Withami, Krauss (Pinites Withami) 63 50. Trigonocarpum olivæforme 63 51. Cardiocarpum Lindleyi (Carr.) 65 52. " " 65 53. Cardiocarpum anomalum (Carr.) 66 54. Pothocites Grantoni (Paterson) 67 55, 56. Walchia piniformis (Sternb.) 72 57. Pinus sylvestris 73 58. Abies excelsa 73 59. Larix Europæa 73 60. Cedrus Libani 73 61. Araucaria excelsa 74 62. Woody tubes of fir--single rows of discs 74 63. " " --double and opposite rows of discs 74 64. Woody tubes of Araucaria excelsa--double and triple and alternate rows of discs 74 65. Longitudinal section of stem of a Gymnosperm 74 66. Linear leaves of Pinus Strobus 75 67. Cone of Pinus sylvestris 75 68. " Cupressus sempervirens 75 69. Scale of mature cone of Pinus sylvestris 75 70. Fruiting branch of Juniperus communis 76 71. Branch of Taxus baccata 76 72. Male flower of Yew 76 73. Fruit of Yew 76 74. Cycas revoluta 77 75. Encephalartos (Zamia) pungens 77 76. Schizoneura heterophylla 78 77. Zamites 79 78. Pterophyllum Pleiningerii 80 79. Nilssonia compta (Pterophyllum comptum of Lindley and Hutton) 80 80. Palæozamia pectinata (Zamia pectinata of Brongniart, and Lindley and Hutton) 80 81. Brachyphyllum mammillare 81 82. Equisetum columnare 81 83. Araucarites sphærocarpus (Carr.) 82