Part 5

45 a. Calamites Suckovii 57 45 b. Septum or Phragma of a Calamite 57

46. Vertical stems of Calamites--in coal-measures of Treuil, near St. Etienne 58

47. Fruits of Equisetum and Calamites 60 (1). Equisetum arvense, L. 60 (2). Portion of sporangium wall 60 (3, 4). Spores--elaters free 60 (5). Longitudinal section of part of one side of cone 60 (6). Transverse section of cone 60 (7). Calamites (Volkmannia) Binneyi (Carr.) 60 (8). Portion of sporangium wall 60 (9). Two spores 60 (10). Longitudinal section of part of one side of cone 60 (11). Transverse section of cone 60

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