INDEX AND GLOSSARY. 



397 



Turnip, i6o. 

 Typha, 306. 

 Typhaceae, 305. 



U. 



Umbel, 84. 



Umbellate Family, 219. 



Umbelliferae, 219. 



Uncaria, 226. 



uncinate, hooked. 



unequally pinnate, pinnate with an odd 

 leaflet. 



uni-, one, in composition. 



unicellular algce, 361. 



unilocular, one-celled ; applied to an- 

 thers and ovaries. 



unisexual, with stamens only, or with 

 pistil only, 40. 



Unona, 152. 



unsytmnetrical, applied to flowers with 

 the parts of each whorl unequal in 

 number and not multiples, 191. 



Upas, 275. 



Uraria, 197. 



urceolate, urn-shaped. 



Urticaceae, a-io 



Utricularia, 254. 



Vacciniaceae, 233. 



Valisneria, 331. 



Valonia, 286. 



valvate, 88. 



Vanda, 318. 319. 



Varieties, 128. 



vascular bundles, 115; vascular plants, 

 356. 



Vateria, 172. 



Vegetative Organs, 67. 



Veins of leaves, 43, 57 ; structure of, 114. 



Venation, 75. 



jientral suture, 94. 



ventricose, inflated. 



Verbascum, 253. 



Verbena, 260. 



Verbena Family, 259. 



Verbenaceae, 259. 



Vernation, 75. 



Vemonia, 228, 229. 



Veronica, 253. 



verrucose, warted. 



versatile, applied to anthers when at- 

 tached by the back to the slender 

 tip of the filament. 



vertictllate, whorled, with three or more 

 parts inserted in the same plane ; ap- 

 plied to foliar organs, 73. 



Vessels, ic8. 



Vicia, 196. 



Victoria regia, 156. 



Villarsia, 243. 



Vinca, 29, 37, 238. 



Vinca rosea, described, 373. 



Vine Family, 188. 



Viola, 163. 



Violaceae, 163. 



Violet Family, 163. 



Viscum, 224. 



Vitex, 259. 



Vitis, 189, 190. 



Vittce, 221. 



W. 



Wahlenbergia, 231. 



Wampi, 184. 



Water-Chestnut, 212. 



Water in plants, 21. 



Water- Lily Family, 155. 



Water Melon, 214. 



Water-Plantain Family, 332. 



Weeping Willow, 42. 



Welwitschia, 298. 



Wheat, 29, 55, 336. 



Willow, 29, 41, 282. 



Willow Family, 282. 



Willow, Indian, described. 373. 



Wings (of papilionaceous corolla), ig6 , 



of Polygala, 165. 

 Wood, Structure of, 116. 

 Wormia, 149. 



Xanthochymus, 168. 

 Xanthophyllum, 165. 



Yam Family, 310, 

 Yew, 295, 

 Yucca, 73, 313. 



Zanthoxylum, 184. 



Zea, 337. 



Zedoary, 326. 



Zingiber, 326. 



Zinnia, 29, 34, 227, 228; described, 372. 



Zixyphus, 205. 



^ones, annual, of wood, 118. 



Zygophyllacese, 180. 



