xvi LIST OF ILLUSTRATIONS 



FIG. PAGE 



60. Pelagic Diatoms (Chcetoceras, Planktoniella, and Bacte- 



riastrum) 196 



61. Tetraspores 206 



62. Chantransia corymbifera 208 



63. Chcetangium ornatum, and procarp of Scinaia fnrcellata 211 



64. Choreocolax Polysiphonice and C. albus 212 



65. Carpogonium of Naccaria hypnoides, and plant of Geli- 



dium corneum 215 



66. Stenogramme interrupts 217 



67. Callophyllis obtusifolia, cystocarp 218 



68. Eticheuma spinosum 220 



69. Catenella opuntia, carpogonium 221 



70. Phacelocarpus Labillardierii and cystocarp of Graci- 



laria confervoides 223 



71. Chylodadia kaliformis, carpogonium and young cysto- 



carp 225 



72. Plocamium corallorhiza 227 



73. Ckampia parvida, germination of carpospore 229 



74. Claudea elegans 231 



75. Martensia elegans 232 



76. Cliftoncea pectinata 234 



77. Dasya elegans, diagram of procarp for Hhodomelece and 



procarp of Polysiphonia 234 



78. Ceramium diaphanum and procarp of CallitJiamnion . 236 



79. Gloiosiphonia capillaris, development of cystocarp . . 237 



80. Gloiosiphonia capillaris, procarp 238 



81. Dudresnaya, fertilisation 239 



82. Polyides rotundus, fertilisation 240 



83. Lithothamnion polymorphum 242 



84. Corallina mediterranea, antheridium 243 



85. C. mediterranea, tetraspores and cystocarp 245 



86. Rimdaria hospita and Calothrix pidvinata 253 



87. Dermocarpa, sporangia, &c f . 259 



88. Hyella ccespitosa 260 



