516 



MORPHOLOGY OF THE ANGIOSPERMS 



Umbelliferae, leaf, 18 



node, 25 



pseudomonocotyledony, 359 



root, primary arrested growth, 463 



venation, 30 

 Umbellularia, floral diagrams, 101 



stamens, 98, 419, 420 



staminodes, 98, 99, 419 

 Urtica, ovule, 270, 273 

 Urticaceae, anemophily, 173 



anther, 140, 141 



dehiscence, 141, 378 



inflorescence, 67, 81 



ovule, 271, 272 



perianth, 90 

 Urticales, gynoeciiun, 240 



ovule, 270 



root, 22 

 Uvularia, leaf, 6, 17 



Vaccinium, flower, 246 



inflorescence, 72 

 Vaillantia, ovule, 282 

 Valeriana, anther, 128 



carpels, 198 



gynoecium, 240, 241 

 Valerianaceae, carpel, 242 

 Vallisncria, hydrophily, 172 



inflorescence, 107 

 Vanilla, omithophily, 172 



ovule, 264 

 Van Tieghem, 245 

 Vascular cryptogams, pericycle, 28 

 Vascular cylinder, primary, 24 

 Vascular skeleton, 22 

 Vascular system, cortical, 393, 394, 406, 



416 

 Vascular tissues, secondary, 43-59 

 Vegetative cell {see Tube nucleus) 

 Venation, advanced, 28, 29 



closed, 462 



cotyledon, 26 



netted, 462 



palmate, 10, 41 



palmate-reticulate, 18 



parallel, 18, 462 



parallel-reticulate, 18 



pinnate, 10, 41 

 derivation, 29 



pinnate-reticulate, 18 



primitive leaf, 28 



veins, endings, eyelets, 11, 462 



(See also under various organs) 

 Veratrtim, carpel, 186, 440 



flower, 440 



seedling, 364 

 Verbascum, transmitting tissue, 199, 201 



Verbenaceae, carpels, 192, 242 



hypocotyl, 325 



nodes, 26 



ovules, 269 

 Verticillatae ( see Casuarinaceae ) 

 Vessel, absence of, 45, 47, 55 



dillenialian, 434, 435 



distribution, 46 



helobialian, 439 



origin, 47, 48, 463 



presence of, 1, 2, 464 



ranalian, 388, 395, 399, 400, 402, 

 414, 421, 431 



scalarifomi, 45 



simple, 45 

 Viburnum, carpel, 242 



gynoecium, 240 



placentation, 234 

 Vicia, flower, 73, 81 



inflorescence, 72, 73 

 Victoria, ovary, 246 



pollination, 170 



stamen, 27, 417 



stamen traces, 132 

 Vinca, inflorescence, 72 



ovule, 278 



transmitting tissue, 199 

 Vines, habital forms, 3 



meristems in woody, 60 



occurrence in some primitive families, 

 392, 404, 408, 413, 415, 432, 

 442 



xylem, 404 

 Viola, inflorescence, 75, 77 



nectaries, 152 



stamen, 113 



stipules, 13 



style, 203 

 Violaceae, inflorescences, 70 



omithophily, 172 



placentation, 236 

 Viscum, carpels, 280 



embryo-sac mother cells, 280 



flower, 277, 280 



gynoecium, 240 



placentation, 280 



pollen tube, 179 



sepal, 106 



stamen-sepal fusion, 106 

 Vitaceae, leaves, 8 



ovule, 271, 272 

 Vitis, anther dehiscence, 167, 169 



ovule, 266 



stipules, 12 



Waldsteinia, carpel anatomy, 93 

 Wall cells, 261 



