XU 



INDEX TO BOTANr. 



Trilepis, 71. 



Trilliacea', the trillium family, 86. 



Trioste;e, I4-J. 



Tripo (Je ruche, 61. 



Tripsacum dactjloides, 68. 



Triraphis, ü9. 



Triticum vulgare, 69. 



Trixidoa", 13Ö. 



Troll ins, iOi. 



TropitülacecB, 176 ; tropaeolum, ib. 



Truffle, 45, 60. 



Trumjiet creeper, 121. 



Truncus, the definition of the term, 10. 



Trymaliuiu, 171, 



Tsuga, 89. 



Tuber, the, how produced, 11. 



Tuber cibariura, 60. 



Tubuliüor«, 135. 



Tulip tree, the, American, 201. 



Tulipa, 80 ; lulipeaj, ib. 



Tupelo family, the, 102. 



Turio, meaning of the term, 22. 



Turneracea', the turnera family, 153. 



Turnip, the Indian, 74; the common 



and Swedish, 197. 

 Turpentine, Chiun, 170. 

 Tussac grass, 68. 

 TussilagineiB, 135 ; tussilago, ib. 

 Typhiueaj or typhaceae, 73. 



Udora, 8(j. 



Ulmaceifi, 97 ; ulmus fulva, ib. 



Ulva tlierinalLs, 45. 



Umbel, definition of the term, 23. 



Umbelliferai, the umbelliferous family, 



144. 

 Umbiliceaj, 151. 

 Ungnodia, Ibl. 

 Upas poison, the, of Java, 97. 

 Urceola, 124. 

 Uredo, 60. 

 Ureneai, 189. 

 Urn mosses, organs of reproduction in, 



38. 

 Ursinia, 137. 



Urticaceie, 96 ; urtice*, ib. 

 Usnea florida, 61. 

 Ustilago, 60. 

 Utricularia, 113. 

 Uvulariea;, 78. 



Vacciniace<e, 130; vaccinium oxycoc- 



cus and macrocarpum, ib. 

 Vahoa, 124. 

 Valerianaceae, the valerian family, 



140. 

 Valiisneria spiralis, 86. 

 Vandeie, 85. 

 Vanilla, 85. 

 Varronia, 119. 

 Vascular system, the, of the exogenous 



stem, 11. 



Vascular tissue, 4. 



Vegetable life, distinction between, 

 and animal, 1. 



Vegetable maiTow, the, 155. 



Vegetation, organs of, 6; divisions of 

 the horizontal range of vegetation 

 according to iMeyen, 47-49 ; classifi- 

 cation of the vertical range of, ac- 

 cording to Meyen, 50, 51. 



Vellew, 196. 



Velleia, 133. 



Vellosia, fto ; vellozieae, ib. 



Venation of leaves, 17. 



Ventilago, 171. 



Venus's fly-trap, 193. 



Veratrine, 79 ; veratrum album, ib. 



Verbasceae, 116; verbascum tbapsus, 

 ib. 



VerbenaceiB, 1 14 ; verbencae, ib. 



Verbesineie, 136. 



Vemoniacea?, 135 ; vernonieie, ib. 



Veronica officinalis. 117. 



Verruca', or warts, 8. 



Vervain family, the, 114. 



Vestia, 118; vesliea?, ib. 



Vetches, 166. 



Vibunium, 47, 48, 142. 



Vicie«, 166. 



Victoria, 199. 



Vigua, 166. 



Vilfa, 69. 



Vüli. See Hairs. 



Vine, poison, 170; the vine family, 

 178; the .Alleghany, 197. 



Violaceie, the violet family, 193. 



Virginian snake root, 102; creeper, 

 178. 



Viscuin album, 143. 



Vitacea^, 178 ; vitis viuifera, 179. 



Vilex agnus castus, 114. 



Vittic, 144. 



Vivianiacew, the viviania family, 190. 



Vochysiacea;, the vochysia family, 

 160. 



Volatile oils, 40. 



Vouay, 77. 



Wake robin, the European, 74. 



Waldsteinia, 163. 



Wallflower, the, 43. 



Walnut family, the, 91. 



Waltheriu, 188. 



Warts, iKitiire of, 8. 



Water, office of, with respect to plants, 



2. 

 Water-bean family, the-, 198. 

 Water hemlock, 147. 

 Water leaf family, the, 120. 

 Water Uly family, the, 199. 

 Water melon, the, 155. 

 Water-parsley, 147. 

 Water-pepper family, the, 191. 



Water-plantain family, the, 74. 



Water-shield family, the, 199. 



Wax, vegetable, 40 ; obtained from 



several species of palms, 76 ; the 



wax plant, 125. 

 Weinmamiia, 48. 

 VVeissiaceaj, 63. 

 Weld, or dyer's rocket, 195. 

 Wetlinia, 74. 

 Wheat, 69. 

 Wicopy, 104. 

 Widriugtonia, 89. 

 Willdenovia teres, 72. 

 Willow herb, the, 157. 

 Willow strife family, the, 160. 

 Willow tribe, the, 93. 

 Wine, principal varieties of, 179. 

 Winters bark, 201. 

 Wintera aromatica and granatensis, 48, 



51. 

 Wintergreen, 131. 

 Wistaria, 166 ; wistarieae, ib. 

 Witch-hazel family, the, 143. 

 Witsenia, 82. 

 Woad, 197. 

 Wood sorrel family, the, 176 ; wood 



sorrel, 177. • 



Woodrush, 77. 

 Woody fibre, or ligneous tissue, 4; 



woody layers, 12. 

 Wormwood, 139. 

 Wourali, the, or ourari. 123. 

 Wrightieae, 124. 



Xanthisma, 135; xanthium, 136, 

 Xanthorrhea, 47. 

 Xuntliorrhiza, 203. 

 Xantophylhim, 192. 

 Xeranlheinea', 137. 

 Xyloraa acerinum, 182. 

 Xyridacea', 77 ; xyris, 78. 



Vam tribe, the, 87. 



Yellow coloring matter, sources whence 

 derived, 41. 



Yellow-eyed grass family, the, 77. 



Yerba mate , 128. 



Yew tribe, the, 89 ; the common Eu- 

 ropean yew, 90. 



Zamia elliplica, 88. 

 Zannichellia, 73. 



Zanthoxylaceie, tBe zanlhoxylon fami- 

 ly, 174. 

 Zea mays, 70. 

 Zebrawood, 169. 

 Zilla, 196 ; zille», ib. 

 Zingiberace«', 83. 

 Zizania aquatica, 68, 70. 

 Zizyphus jujnba, &c., 171. 

 Zostera marina, 72, 73. 

 Zygophyllacese, 175 ; zygophyllum, ib. 



938 



