LIST OF ILLUSTRATIONS xiii 



FIG. PAGE 



62. Utricularia Bremii, Heer. Part of leaf with bladder. [Meierhof er, H. 



(1902)] 95 



63. Utricularia minor, L., with earth-shoot. [Gliick, H. (1906)] . . 96 



64. Utricularia minor, L. Leaves of water- and earth-shoots. [Gliick, H. 



(1906)] 96 



65. Utricularia vulgaris, L., with air-shoot. [Goebel, K. (i 891-1893)] 98 



66. Utricularia neglecta, Lehm. Rhizoids. [Gliick, H. (1906)] , . 99 



67. Utricularia vulgaris, L. Germinating seed. [Kamienski, F. (1877)] 100 



68. Utricularia exoleta, R.Br. Germinating seed. [Goebel, K. (1891)] 100 



69. Utricularia minor, L. Foliage leaf and turion leaf. [Gliick, H. 



(1906)] 102 



70. U tricularia vulgaris, L. Leaf with adventitious shoots. [Goebel, K. 



(1904)] 104 



71. U tricularia vulgaris, L. Inflorescence axis wdth adventitious shoots. 



[Luetzelburg, P. von (1910)] 105 



72. U tricularia vulgaris, L. Apical development of shoot. [Pringsheim, 



N. (1869)] 106 



73. U tricularia vulgaris, L. Developing leaf. [Meierhofer, H. (1902)] 107 



74. Utricularia minor, \,. Anatomy of leaf. [Schenck, H. (1886)] . 108 



75. Aldrovandia vesiculosa, L. Leaves. [Caspary, R. (1859)] m 



76. Hydrobryum olivaceum, (Gardn.) Tul. [Warming, E. (1883^)] . 115 



77. Dicraea elongata, {Gsixdn.) Tu\. [Warming, E. (1883^)] . . 115 



78. Dicraea stylos a, \\/\gh.t. Seedling. [Willis, J. C. (1902)] . . 115 



79. Dicraea stylosa, Wight. [Warming, E. (188 3^)] . . . .116 



80. Dicraea stylosa,W\^t. Anatomy of thallus. [Willis, J. C. (1902)] . 118 



81. Oenone multibranchiata. Matt. [Matthiesen, F. (1908)] . . 119 



82. Podostemon Barberi, Willis. Cleistogamic flower. [Willis, J. C. (1902)] 121 



83. Cymodocea aequorea, Kon. [Bornet, E. (1864)] . . . .124 



84. Cymodocea aequorea, Kon. [Sauvageau, C. (1891^)] . . .125 



85. Zostera marina, L. Anatomy of leaf. [Sauvageau, C. (1891^)] . 128 



86. Zostera marina,!^. Median bundle of leaf. [Sauvageau, C. (1891^)] 128 



87. Halophila ovalis, (R. Br.) Hook. fil. [Balfour, L B. (1879)] ^3 



88. Halodule uninervis, Boiss. [Sauvageau, C. (1891^)] . . . 132 



89. Posidonia Caulini, Kon. Anatomy of leaf. [Sauvageau, C. (1891^)] 132 



90. Sagittaria sagittifolia, L. Young plant with ribbon leaves. [A. A.] 141 



91. Aponogeton fenestralis, (Poir.) Hook. f. Perforated leaf. [Sergueeff, 



M. (1907)] 142 



92. Ranunculus Purschii, Rich. Water leaf and land leaf. [Goebel, K. 



(1891-1893)] 144 



93. Ranunculus hederaceus, L. [A. A.] 145 



94. Callitriche verna, L. Heterophylly. [A. A.] .... 147 



95. Hippuris vulgaris, h. Water leaves and air leaves. [Gliick, H. (191 1)] 147 



