INDEX 



631 



Ulmaceae, 500 



Uhmis, *500 ; leaf, *29 



Ulnthrix, 323 ; swarm-spores, *67 



Ulm, 322 ; form, *12 



Umbel, *461 



CmbeUifeme, 545, *546 ; oil-ducts, 88 



Umbellifiorae, 544 



Uncaria, 589 



Undulate leaves, 30 



Unequal growth, 247 



Uniaxial plants, 27 



Unicellular hairs, *98 



Unisexual flowers, 428 



Uredineae, 363, 364 



Undo, 367 



Uredospores, 364 



Urginea, 466 



Urocystis, 362 



Uromyces, 367 



Urtica, 503 ; hairs, *96, 97 ; movement, 



244 

 Urticaceae, 503 ; resin, 73 ; latex tubes, 



83 

 Urticinae, 499 

 Kwiea, 378, *379 

 Ustilaginaceae, 361 

 Ustilago, *3 / 61 

 Utilisation' of products of assimilation, 



201 

 Utricularia, 584 ; leaves, *35 ; rootlets, 



44, 181 ; glands, 215 

 Clriculariaceae, 583 



Vacoinioideae, Yaccinium, 568 ; fungus 

 on, 359 



Vacuoles, *49, 55, 230 



Vagina, 29 



Valeriana, *591 



Valerianaceae, 590, 591 



Valerianella, 591 



Vallisneria, 245, 283 



Valvate leaves, 37 



Valves, 313 



Fo/wVfo. *489, 490 



Vanillin, 54 ; lignification, 80 ; eomferiu, 

 206 



Varec, 334 



Varieties, new, 154 



Vascular tracheids, 82 ; bundles, 101 ; 

 cryptogams, 101 ; plants, 147 



Vauchena, 325, *326, *327 



Vegetable ivory, Phytelepluis 



Vegetative cell, *67 ; point, 148 ; -repro- 

 duction, 275, 277 



Velamen, 42, 100, 194 



Velum, 372 



Venation of leaves, 30, *191, *463, *491 



Venus fly-trap, Dioiuim 



Venus's looking-glass, Specula ria 



Veratrinum, 206, 468 



Veratrum, 466, 468 



Verbascum, *583 ; leaf, 30 



Verbena, Verbenaceae, 585, 586 



Ifermes, 213 



Vernation, 37 



Veronica, 583 



Verpa, 360 



Verrucarin , 380 



Vervain, Verbena 



Vessels, see Trachea 



Vetch, Lathyrus 



Vibrio, 309, *312 



Viburnum, 590 



Vicia, 561, 562 ; root, *211 ; respiration, 



219 ; growth, *233 ; geotropic move- 

 ments, *258 ; attacked by Uromyces, 



367 

 Vioioideae, 561 

 Victoria, 514 ; warmth by respiration, 



221 

 Vinca, *573, 575 ; sclerenchymatous fibres, 



*75 

 Viucetoxicum officinale, *576 ; attacked by 



Cnmartiiim, 367 

 Vine, Vitis vinifera 

 Vinum, 538 

 Viola, 172, *523, 524 ; epidermis, *96, 



99 ; stipule, *98 

 Violaceae, 523 

 Violet, Viola 



Alpiue, Cyclamen eunqxi.eum 

 Viper's Bugloss, Echium 



Grass, Scorzonera hispanica 

 Virginia creeper, Arnpelopsis 

 Viscum, *566, 567 ; false dichotomy, '*17 ; 



epidermis, 139 ; nutrition, 210 ; hypo- 



cotyl, 254 

 VUaceae, 537, 538 

 Vital attributes, 160, 167 

 Vitis, *538 ; wood, 129 ; tendrils, 26, 



*267 

 iticonstans, *267 

 Vittas, 88 

 Volva, 371, 375 

 Volvocaceae, 320 

 Volwx, 319, *321, 322 



"Wallflower, Gheiranthus 

 Water-culture, 174 ; imbibed, 177, 178 ; 

 distribution of, 184 ; exudation of, 

 188, 193 ; agency for dissemination of 

 seeds, 292 

 Water-ferns, Hydropterideae 



-lily, Nymphaea 



-milfoil, Myriophylhmi 



-pest, Elodea 



-soldier, Stratiotes 



-stomata, 95 



-wort, Elatine 

 Weigelia, 590 

 Wchoitschia, 443 

 Wheat, Triticuiii 



