512 



INDEX. 



Sporophyte (spo'ro-phyte), 225, 226, 

 2 3 2 , 2 34, 237-239, 241, 242, 250, 

 261, 268, 270, 283, 292, 294, 314, 



3 J 5> 3 1 ?, 33 6 -339, 340-348 434 



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 



? imac, 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 

 Teleutospore, 188 

 Temperature, 134, 135, 465 

 Tetrasporacese, 161 

 Tetraspores, 173, 174 

 Thallophytes, 352 

 Thallus, 352 

 Thelephoracese, 219 

 Thistle family, 502 

 Thunderwood, 497 

 Thyrsus, 427 

 Tilia, 498 

 Tillandsia, 493 

 Tissue, tensions of, 57-59 

 Tissues, classification of, 363, 364; 

 kinds of, 356-359; organization 



of, 35 6 -3 62 

 Toad-flax, 501 

 Tomato, 501 

 Tradescantia, 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 



Ulmacese, 495 

 Ulmus americana, 495 

 Ulothrix, 162 

 Ulotrichaceae, 162 

 Ulvaceae, 162 

 Umbel, 428 

 Umbellales, 498 

 Uredinales, 218 

 Uredineae, 187-194, 218 

 Uredospore, 189 

 Uromyces caryophyllinus, 87 

 Urticales, 495 

 Ustilaginales, 218 

 Ustilagineae, 218 

 Utricularia, 501 



Vaccinium, 499 

 Vacuoles, 7, 8 

 Valerianales, 501 

 Vallisneria spiralis, 493 

 Variation, 338 

 Vascular tissue, 358, 363 

 Vaucheria, 142-146 

 Vaucheriaceae, 162 

 Vegetation types, 464 

 Venus' flytrap, 133 

 Verbascum, 501 

 Verbena, 501 

 Vessels, 52, 53 

 Vetch, 92, 497 

 Viburnum, 501 

 Vicia sativa, 459 

 Viola cucullata, 436 

 Violaceae, 498 

 Virgin's-bower, 462, 463 

 Viscum album, 84 

 Vitaceae, 498 

 Volvocaceae, 158 



Walnut, 452, 494 



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



Water-lilies, 496 



Water-plantain, 493 



White pine, 396 



Wild carrot, 499 



