352 



INDEX 



Sugarcane, 59, 63, 76, 



165. 

 Sundew, 266, 268. 

 Sun flower, 135, 168. 

 Sunlight, 26, 21. 

 Sunshine, 131, 156, 



157, 201. 

 Sycamore, 47, 112, 



165, 167, 339. 

 S3'mpodial, 63. 

 SjTphidae, 14, 15. 

 Sweet Gale, 266, 286, 



314- 

 Sweet Pea, 12. 

 Sweet Vernal Grass, 



25. 105. 

 Tanacetum, 68, 146. 

 Tannin, Tanning, 7, 



103, 205. 

 Taxus, 80, 318. 

 Temperature, 315. 

 Tensions (of stem), 166. 

 Testa (seed-coat 



formed from ovule 



coats), 37, 75. 

 Thorns, 97, 106. 

 Thistles, 18, 63, 312, 



330, 331- 



Thyme, 29, 105. 



Tracheids (sap-carry- 

 ing cells), 122, 161, 

 291, 



Tragopogon, 80, 117, 



336. 

 Transpiration, ascent 



of water, 167, 290. 

 Traveller's Joy, 45. 

 Trichogyne (hair-like 



cells which retain 



the male spores), 242, 

 Tripolium, 45, 64. 



Tuber (the fleshy un- 

 derground stem of 

 potato, etc.), 64, 69. 



Tuboeuf, 96. 



Tulip, 18, 22, 23, 27. 



Umbelliferae, 14, 22, 



23, 33, 105, 146, 330- 

 Undergrowth in 



woods, 304, 305. 

 Usnea, 173, 243, 245, 



306. 

 Utricularia, 57, 269. 

 Vallisneria, 26, 

 Vaucheria, 180, 181, 



196. 

 Veronica, 15, 18, 31, 



44, 54, 151, 190- 

 Vessels, 161. 

 Vetch, Vicia, 29, 80, 



III, 193. 

 Viburnum, 40, 151. 

 Violet, Viola, 27, 33, 



80, 88, 117,193,332. 

 Vine, 95, 96, 167, 297. 

 Voles, 94. 

 Volvox, 179. 

 Walking fern, 61, 62. 

 Walnut, 81, 98, 317. 

 Water, distribution of 



plants by, 53, 56, 57, 



186. 

 Water, pollination by, 



25. 



V^ater-flora, Ch. IX. 



Water-lily, 28, 33, 52, 

 53. 137, 185, 190. 



Water-plants, charac- 

 ters of, 186. 



Water, soil and, 114, 



115- 

 Wasp, 14, 36, 275. 



Warming, 304. 

 Weather protection, 



26, 27. 

 Weeds, 312. 

 Weinzierl, 173, 198. 

 Wheat, 45, 69, 75, 80, 



90, 322, 332. 

 Whin, 9, 16, 49, 108, 



193, 314- 

 Willow, 25, 46, 53, 58, 



165, 286, 314, 333. 

 Willowherb, 46, 89. 

 Wilson, Dr. J., 12. 

 Wind, 145, 337. 

 Wind distribution by, 



45, 47, 53, 56, 69, 



293. 294. 

 Wind, pollination by, 



22, 24, 25, 292. 

 Winterbuds, 60, 191. 

 WoUny, 116. 

 Wood, 172, 173, 174, 



291, 318. 

 Woods, 320, 321. 

 Wood floor, 307, 311. 

 Woodruff, 134, 307, 



312. 

 Woodscrrel, 50, 53, 



150, 154- 

 Worms, 126, 312. 

 Wor^dell, 293. 

 Woundwort, 13, 66, 



105, 150, 172, 311. 

 Yeast, 73. 



Yew, 41, 169, 318, 327. 



Yorkshire fog, 42, 89. 



Xylem (sap-carrying 



tissue or wood), 122, 



159, 160, 161. 

 Zostera, 35, 194, 195. 



