252 



BOTANY. 



Sweet-william, 185. 

 Sycamore, 183. 

 Sympetalse, 210. 



Symphoricarpus. See " Snow-berry." 

 Symplocarpus. See " Skunk-cabbage." 

 Synergidae, 144. 



Syringa, 199; Fig. 111. See also 

 " Lilac." 



Tamarack, 142. 



Tap-root, 131, 173. 



Taraxacum. See " Dandelion." 



Taxodium. See " Cypress." 



Taxus. See "Yew." 



Teasel, 224; Fig. 124. 



Tecoma. See " Trumpet-creeper." 



Teleuto-spore, 80, 81. 



Tendril, 171. 



TerebinthinsB, 198. 



Tetraspore, 51, 52. 



Thistle, 173, 223; Fig. 125. 



Thorn, 172. 



Thyme, 215. 



Thymeleacess, 206. 



Thymelinete, 206. 



Tilia, -acese. See " Linden." 



Tillandsia, 156; Fig. 84. 



Tissue, 8. 



Tissue system, 115. 



Toadstool, 82. 



Tobacco, 215. 



Tolypella, 40. 



Tomato, 215. 



Touch-me-not. See " Jewel-weed." 



Tracheary tissue, 110, 121, 177. 



Tracheid, 110, 138. 



Tradescantia. See " Spiderwort." 



Trailing arbutus, 211. 



Tremella, 81 ; Fig. 51. 



Trichia, 13, 14 ; Fig. 5. 



Trichogyne, 51. 



Tricoccse, 199. 



Triglochin. See "Arrow-grass." 



Trillium, 146, 154, 155 ; Fig. 83. 



Triphragmium, 81. 



Tropceolum. See " Nasturtium." 



Trumpet-creeper. 



Tuber, 120, 153, 172. 



TubiflorsB, 213. 



Tulip, 146. 



Tulip-tree, 187 ; Fig. 100. 



Turnip, 192. 



Twin-leaf, 187; 'Fig. 101. 



Typha, -acese. See " Cat-tail." 



UlmacesB. See "Elm." 

 Ulva. See " Sea-lettuce." 

 Umbelliferse. See " Umbel-wort." 

 Umbel-wort, 202. 

 Umbelliflorse, 202. 

 Uredineae, 77. 

 Uromyces, 81 ; Fig. 47. 

 UrticinsR, 183. 

 Usnea, 75 ; Fig. 45. 

 Ustillaginese. See " Smut." 

 Ustillago, 65; Fig. 38. 

 Utricularia. See "Bladder-weed." 

 Uvularia. See " Bellwort." 



Vaccinium. See " Cranberry." 



Vacuole, 8. 



Valerian, 224 ; Fig. 124. 



Valeriana, -ese. See " Valerian." 



Vallisneria. See "Eel-grass." 



Vanilla, 166. 



Vaucheria, 34-37; Figs. 21, 22. 



structure of plant, 35. 



racemosa, 35. 



non-sexual reproduction, 36. 



sexual organs, 36. 



fertilization, 36. 



resting spores, 37. 

 Venus's fly-trap, 192. 

 Verbascum. See " Mullein." 

 Verbena, -acese, 218; Fig. 121. 

 Veronica, 217 ; Fig. 120. 

 Vervein. See " Verbena." 

 Vessel, 121, 135, 150, 175, 177. 

 Viburnum, 223; Fig. 124. 

 Victoria regia, 190. 



