INDEX AND GLOSSAKY 



355 



Turnip, starch in, 31, Fig. 44. 

 Twigs, history of, 56; starch in, 32, Fig. 

 Twiners, 108, 111. [43. 



Ulmus, 302, Figs. 146, 448, 449, 450. 

 Umbel: corymbose cluster with branches 



of about equal length and arising from 



a common point, (242). 

 Umbellet: secondary umbel, (242). 

 Umbelliferje, 325. 

 Undergrowth, 224. 

 Undulate: wavy, (200). 

 Uredospore, 185. 

 Urtica dioica, 304; gracilis, 304. 

 Vacuole, 234. 



Valves: separable parts of a pod, (287). 

 Variation, 228. 

 Vascular, 233, 256. 

 Vaucheria, 179, 233, Figs. 315, 31b. 

 Vegetable mould, 202. 

 Velum, 194. 



Venation: veining, (191). 

 Verbascum, 332, Fig. 22; haJrs, 270. 

 Verbena cutting, Fig. 35. 

 Verticillate: with three or more leaves or 



flowers at one node, (112). 

 Viburnum, 334, Fig. 279. 

 Vigna Sinensis, 319, Fig. 473. 

 Vine, cypress, 328, Fig. 485. 

 Violet, 3; cleistogamous, 134, Fig. 216; 



seeds, 158; society, 225. 

 Virginia creeper tendril, 109, 113, Fig. 

 Wake-robin, 293. 1 163. 



Wallflower fruit, 152; hairs. 270. 



Walnut buds, 37, 133, 147. 



Water, how the plant takes, 64; -lily, 3, 

 198; pores, 271; roots search for, 9. 



Watersprout, 21, 54. 



Wax for grafting, 30. 



Wax- work, twiner, 112. 



Weeds, 214, 222. 



Wheat field, Fig. 357; flower, 146, Fig. 

 238; India, 305; rust, 183, Figs. 325-330; 

 starch, 249. 



Whiteweed, 337, Fig. 169. 



Whorl: three or more leaves or flowers at 

 one node, (112). 



William, Sweet, 307, Fig. 456. 



Willow buds, 41, Fig. 86; cuttings, 21; 

 dioacious, 133; expression, 61; inflores- 

 cence, 117, Fig. 213; mildew, 182, Fijjs. 

 321, 324; phyllotaxy, 49; pollard, Fig 

 87; pussies, Fig. 56; seeds, 161. 



Wilting, 68, 71, 83, 84. 



Wind and plants, 204; travelers, 159. 



Wind-flower, 309. 



Window box, 163. 



Winter bud, 36. 



Wintergreen anther, 129. 



Wistaria, 112, 317. 



Xanthium, 336, Fig. 496. 



Xerophytic society, 219, Fig. 344. 



Xylem, 257. 



Yeast, 234. 



Yew fruit, 156. 



Zone societies, 225, Fig. 380. 



Zygospore, 179. 



The enlarging ring of a plant which propagates itself by 



means of rootstocks. Sacaline, a plant recently introduced from Asia; 



allied to docks and smartweeds. 



