512 



INDEX. 



Sporophj'te (spo'ro-phyte), 225, 226, 

 23-. =34, 237-239, 241, 242, 250, 

 26:, 26S, 270, 283, 292, 294, 314, 



315. 317, 336-339. 340-34S 434 



Spurge family, 497 



Squash, 501 



Staminodium, 446 



Starch, formation of, 68, 70-74; 

 changed to sugar, 77, 78; translo- 

 cation of, 73; digestion of, 75 



Stems, types of, 365-373 



Stems, Woody, structure of, 381-382 



Stoma (pi. stomata) (sto'ma-ta), 42- 

 44, 46 



Strawberry, 455, 497 



Sugar, test for, 75, 76 



Sumac, 497 



Sundew, 133, 496 



Sunflower, 399-401, 502 



Sweet gum, 496 



Symbiosis, 85, 86, 92-95 



Synergids (syn'er-gids), 327, 330 



Syngencesious, 424 



Synthetic assimilation, 67 



Tape-grass, 493 



Taraxacum densleonis, 502 



Teasel, 501 



Telegraph-plant, 399 



Teleutosporc, 1S8 



Temperature, 134, 135, 465 



Tetrasporacec'e, 161 



Tetraspores, 173, 174 



Thallophytes, 352 



Thallus, 352 



Thelephoracea:, 219 



Thistle family, 502 



Thunderwood, 497 



Thyrsus, 427 



Tiha, 498 



Tillandsia, 493 



Tissue, tensions of, 57-59 



Tissues, classification of, 363, 364; 



kinds of, 356-359; organization 



of, 356-362' 

 Toad-flax, 501 

 Tomato, 501 

 Tradesrantia, 493 

 Tragopogon, 502 

 Trailing arbutus, 499 

 Trametes pini, 90 

 Transpiration, 35-46 

 Tremellales, 218, 219 

 Triadelphous, 425 



Trillium, 318-322, 494 



Trumpet-creeper, 501 



Tuberales, 217 



Tubers, 373 



Tundra, 481 



Turgescence, 14, 15 



Turgor, 20; restoration of, 56, 57 



Typha, 493 



Ulmaceae, 495 

 Ulmus americana, 495 

 Ulothrix, 162 

 Ulotrichaceae, 162 

 Ulyacea^, 162 

 Umbel, 428 

 Umbellalcs, 498 

 Uredinales, 218 

 UredineiE, 187-194, 218 

 Uredospore, 189 

 Uromyces carj'ophyllinus, 87 

 Urticales, 495 

 Ustilaginales, 218 

 Ustilagineje, 218 

 Utricularia, 5QI 



Vaccinium, 499 

 Vacuoles, 7, 8 

 Valerianales, 501 

 Vallisneria spiralis, 493 

 Variation, 338 

 Vascular tissue, 35S, 363 

 Vaucheria, 142-146 

 Vaucheriacece, 162 

 Vegetation types, 464 

 Venus' flytrap, 133 

 Verbascum, 501 

 Verbena, 501 

 Vessels, 52, 53 

 Vetch, 92, 497 

 Viburnum, 501 

 Vicia sativa, 459 

 Viola cucuUata, 436 

 Violacca:, 498 

 Virgin's-bower, 462, 463 

 Viscum album, 84 

 Vitacea", 408 

 Volvocacea% 15S 



Walnut, 452, 494 



Water, 465; flow of , in plants, 53, 54 



Water-lilies, 496 



Water-plantain, 493 



White pine, 396 



Wild carrot, 499 



