500 



INDEX. 



Starch-making, 73-81. 

 Stem-structure, 161-169. 



-tuber, 184. 

 Stigma, 12, 213. 

 Stipules, 7, 8, 133. 

 Stitchwort, 319. 

 Stomates, 82. 

 Stonecrop, 435. 

 Strand-plants, 434. 

 Style, 12. 

 Sundew, 208. 

 Sunflower, 47, 166. 

 Sweet Pea, 46, 214, 275. 

 Sycamore, 46, 142, 403. 

 Symbiosis, 205. 

 Syncarpous, 225. 



Tendrils, 9, 195. 

 Thistle-tube experiment, 28. 

 Toothwort, 203. 

 Transpiration, 114-121. 

 Tree study, 382. 

 Tropophytes, 416. 

 Trypsin, 41. 

 Turgidity, 174. 

 Twining plants, 198. 



Umbel, 230, 

 Umbelliferae, 335. 



Valerian, 424. 



Variation, 269. 



Vegetable Marrow, 50, 165. 



Vegetation Surveys, 447. 



Veins, 133. 



Veronica, 355. 



Vetch, 274. 



Violet, 236, 238, 262. 



Wallflower, 323. 

 Wasps, 243. 



Water Crowfoot, 313. 

 -culture, 109. 

 Docks, 423. 

 -glands, 121. 

 Horn wort, 421. 

 Lilies, 421. 

 Lobelia, 420. 

 Milfoil, 421. 

 Pennywort, 335. 

 Plantain, 423. 

 -plants, 417. 

 , properties of, 29. 

 Purslane, 424. 

 required for germination, 



23. 



Starwort, 420. 

 Violet, 422. 

 Weeds, 454. 

 Wheat, 49, 298 

 Wheaten flour, 40. 

 White Bryony, 198. 

 Willow, 246, 388. 

 ,, -herb, 424. 

 Wind-dispersal, 257. 



,, -pollination, 245. 

 Wing-petals, 10. 

 Winged fruits and seeds, 258- 

 Winter-buds, 139. 

 Wood Sanicle, 335. 



Sorrel, 239, 262. 

 Woodland vegetation, 439. 

 Woodrush, 235. 

 Wormwood, 377. 

 Wound-healing, 384. 

 Wrack-grass, 438. 



Xerophytes, 415. 

 Yellow Archangel, 351. 

 Zygomorphic, 226. 



PIUNTKP AT THK BURLINGTON PRESS, FOXTON, NF.AR CAMBRIDGE, ENGLAND! 



