INDEX 



435 



io6; relation to Pingiiiciila, i8i; 

 "rhizoids," 96, 98, 99 (Fig. 66); seed- 

 lings, 100 (Figs. 67, 68); seeds, 99, 

 100; turions, 101-103, 219, 220; 

 utricles, 91, 92 (Figs. 59, 60), 93 

 (Fig. 61), 94, 95 (Fig. 62), 96 (Figs. 

 63, 64), 97. 98 (Fig. 65); vegetative 

 luxuriance, 215; water absorption, 270 



Utriciilaria Bremii, 93 (Fig. 61), 95 (Fig. 

 62), 97, 299 



Utriciilaria exoleta, 100 (Fig. 68) 



Utricularia flexuosa, 92 (Fig. 60), 93 



Utricularia Hookeri, 93 



Utricularia Humholdtii, 109 



Utricularia inflata, 99, 229 (Fig. 150) 



Utricularia inflexa, 99 



Utricularia intermedia, 91, 94, 97, loi, 

 219, 220 (Fig. 143) 



Utricularia minor, 91, 96 (Figs. 63, 64), 

 97, 100, 102 (Fig. 69) 108 (Fig. 74), 

 168, 299 



Utricularia neglecta, 92 (Fig. 59), 93, 97, 

 99 (Fig. 66), 104 



Utricularia nelumbi folia, 108, 109 



Utricularia ochroleuca, 97 



Utricularia quinqueradiata, 99 



Utricularia stellaris, 99 



Utricularia vulgaris, 91, 93, 94, 97, 98 

 (Fig. 65), 100 (Fig. 67), loi, 102, 104 

 (Fig. 70), 105 (Fig. 71), 106 (Fig. 72), 

 107 (Fig. 73), 215, 220, 227 



Valerian, Grew on heterophylly in, 155 



Vallisnena, contraction of peduncle, 

 235, 239; experimental cultures, 265; 

 leaves, 57, 140, 169; ovules, 314; 

 pollination, 57, 235, 236; root 

 anatomy, 208, 209 (Fig. 139); tolera- 

 tion of salt, 134 



Vallisneria spiralis, 134, 140, 209 (Fig. 

 139), 235, 236 



Vegetative reproduction, 210-226, etc. 



Venezuela, 113, 122, 191, 291 



Veronica, anatomy of submerged and 

 air shoots, 201, 259 



Veronica Anagallis, 201, 259 



Vicia, effect of water, 200; nutation of 

 roots, 207 



Vicia sativa, 200 



Victoria regia, affinities, 38; evolution 

 of heat from flower, 34; in shallow 

 water, 31; leaf succession, 32-34; 

 peltate leaf, 30; rate of growth, 214; 

 ripening of fruit under water, 300; 

 seedlings, 32, 33 (Fig. 16), 34; size, 

 80; Spurwing nesting on leaf, 300 



Villarsia. See Limnanthemum 



Villarsia ovata, 166 



Violet, Water. See Hottonia pcUustris 



Vorticellidae, 237 



Vosges, 225, 287 



Water Aloe. See Stratiotes aloides 

 Water Buttercup. See Ranunculus sect. 



Batrachium, R. aquatilis, etc. 

 Water Chestnut. See Trapa natans 

 Water Crowfoot. See Ranunculus sect. 

 Batrachium, Ranunculus aquatilis, etc. 

 Water forms, of Achillea, 199; Caltha, 

 ig8, 199 (Fig. 129); Cirsium [Cnicus), 

 198, 199 (Fig. 130), 200; Cuscuta, 

 199 (Fig. 131); Hydrocotyle, 200, 201 

 (Fig. 132); Menyanthes, 199; Ranun- 

 culus, 198, 200, 203 (Figs. 134, 135); 

 Trifolium, 199 (Fig. 131), etc. 

 Water-fowl and dispersal of hydro- 

 phytes, 35, 298-302 

 Water Hyacinth. See Eichhornia spe- 



ciosa 

 Water Lobelia. See Lobelia Dortmanna 

 Water Loosestrife. See Lythrum Sali- 



caria 

 Water Milfoil. See Myriophyllum 

 Water Parsnip. See Sium lati folium 

 Water Plantain. See Alisma Plantago 

 Water Plantain, Lesser. See Echtno- 



dorus ranunculoides 

 Water pores, 267-269, etc. 

 Water-shield. See Cabomba 

 Water-snails. See Snails, water 

 Water Soldier. See Stratiotes aloides 

 Water Speedwell. See Veronica Ana- 

 gallis 

 Water Starwort. See Callitriche 

 Water stomates. See Stoma tes, water 

 Water Thyme. See Elodea canadensis 

 Water Violet. See Hottonia palustris 

 Waterlily, Giant. See Victoria regia 

 Waterlily, White. See Castalia alba 

 Waterlily, Yellow. See Nymphaea lutea 

 Waterweed, American, or Canadian. 



See Elodea canadensis 

 Weddelina squamulosa, 113 

 Whitchurch Weir, 210 

 White Moss Loch. Perthshire, 288 (Fig. 



165), 289 

 White Waterlily. See Castalia alba 

 Wicken Fen, 20 

 Willow Herb, 311 



Wolffia, conveyance by birds, 300; in 

 biological classification, 7; member 

 of Lemnaceae, 74; size, structure, 

 wintering habits, 80 

 Wolffia brasiliensis, 80, 300 

 Wolffia Michelii, 80 



Xerophyte, aquatic, 310 



Xylem and water conduction, 173, 174 



Yellow Waterlily. See Nymphaea lutea 



Yew-tree, 316 



Yorkshire, 303 



"Youth forms" of Conifers, 155 



'Wapatoo," 17 



Zannichellia, anatomy, 62, 63, 173; 



