Salmon. — On the Genus Fissidens. 
129 
Fig. 43. Bryoxiphium norvegicum , leaf from upper part of fertile stem, transverse 
section near apex, x 400. 
44. Bryoxiphium noi'vegicum , transverse section near base of leaf, x 430. 
45. Bryoxiphimn noi'vegicum , transverse section higher up. x 400. 
46. Sorapilla Sprucei , part of stem with one leaf attached. x 25. 
47. Sorapilla Sprucei , perichaetial leaf. x 25. 
48-52. Sorapilla Sprucei , transverse sections of leaf. x 400. 
53. F. taxifolius, transverse section of the growing-point of the stem, 
showing the two-sided apical cell ; segments numbered in genetic 
order, x 255. 
54. Mnium undulatum , transverse section of the growing-point of the stem, 
with three-sided apical cell, x 255. 
55. Bryoxiphium norvegicum , transverse section of a bud, just above the 
growing-point, x 255. 
56. F. taxifolius , transverse section of a bud, just above the growing-point. 
x 255. 
57. B. norvegicum , transverse section of young stem, x 255. 
58. F. taxifolius , transverse section of young stem, x 255. 
59-68. F. aequalis. 
59. a. female plant, b. male plant, natural size. 
60. Female plant, x 3. 
61. Female plant, apex of stem with capsule, x 12. 
62. Capsule, x 25. 
63. Two peristome-teeth, x 1 50. 
64. Leaf, x 64. 
65. Apex of leaf. x 150. 
66. Areolation of leaf, x 400. 
67. Apex of stem of male plant, x 12. 
68. Perigonial leaf and antheridia. x 52. 
69-74. F. nitens. 
69. a. sterile plant, b. female plant, natural size. 
70. Sterile plant, x 12. 
71. Female plant, x 12. 
72. Leaf, x 25. 
73. Areolation of leaf, x 400. 
74. Transverse section of upper part of leaf. x 400. 
75. F. nitens , var. neglectus , leaf, x 25. 
76. F. nitens, var. neglectus , transverse section of margin of vaginant 
laminae, x 400. 
77-80. F. nigro-viridis. 
77. Plant, natural size. 
78. Apex of stem, x 12. 
79. Leaf. x 25. 
80. Areolation of leaf, x 400. 
81-91. F. Nicholsonii. 
81. Fertile plant, natural size. 
82. Stem of fertile plant, x 12. 
83. Leaf, x 25. 
84. Margin of vaginant laminae. x 255. 
K 
