336 



Index 



Structure, conifer stems, 128; dicot bundle, 



121; dicot stems, 1 20 ; monocot bundle, 



126; monocot stem, 125. 

 Style, 200. 

 Subsidiary cells, 19. 

 Sugar, 28, 202; beet, 77, 79, 195; cane, 



77, 163, 219. 

 Sugar cane, 77, 78, 141, 163, 231. 

 Sunflower, 10, 50, 97, 102, 198, 203, 222, 



228, 317. 

 Synthesis, of carbohydrates, 26, 27, 31; 



of fats, 31 ; of proteins. 32. 



Tamarack, 296. 



Tank epiphytes, 189. 



Tannic acid, 161. 



Temperature, 146. 



Tendrils, 107, 155. 



Test, for oil, 73 ; for proteins, 73 ; for 



starch, 26, 73; for sugar, 73. 

 Thallus, 272. 

 Thistle, 317. 

 Timothy, 220. 

 Tissues, 21; epidermal, 15, 16, 50, 119, 



169; food- conducting, 15, 121, 169; 



mechanical, 15, 122; storage, 125. 

 Toadstools, 268. 

 Tobacco, 89, 203, 224. 

 Tomato, 225. 

 Toxins, 253. 

 Trachese, 121, 123. 

 I Transfer of food, 76. 

 Transpiration, 49, 149; and absorption, 



176; and lifting of water, 134; and 



water balance, 52 ; rate of, 50. 

 Transplanting, 192; and roots, 190; and 



water balance, 55. 

 Tree-of -heaven, 107. 

 Trees, 94; size of, 99, 154. 

 Tropisms, 131. 

 Tubers, 97, 161. 

 Tulip, 160, 200; tree leaf, 13. 

 Turf, 159. 

 Turnips, 96, 194. 

 Turpentine, 161. 

 Typhoid fever, 253. 



Ulothrix, 236, 240. 

 Umbel, 198. 



Underground stems, 75, 97, 130, 159, 160, 



161. 

 Utilization of foods, 83. 



Vacuoles, 16, 49. 



Variations, 220, 222, 327; kinds of, 223. 



Vaucheria, 236. 



Vegetative multipHcation, 217, 243, 279; 

 propagation, 218. 



Veins, 13, 20, 88; principal, 13. 



Vertical leaves, 41, 42. 



Vessels, food- conducting, 121; water-con- 

 ducting, 121, 123. 



Vinca, 14, 18, 21. 



Vinegar making, 261. 



Walnut, 79. 



Wandering Jew, 19. 



Water, balance, 52, 54; balance and plant 

 habitats, 56 ; balance and transplanting, 

 55 ; balance illustrated, 53 ; conducting 

 tissue, 18, 20, 105, 119, 121, 169; im- 

 portance of, 48, 51, 52; plants, 56, 57, 

 60, 156, 244, 273; storage, 58, 106, 158, 

 189; supply and crop yields, 51; why 

 necessary, 48. 



Water lily, 57; yellow, 159. 



Weeds, 229; and crop production, 230. 



Wheat, 5, 79, 96, 144; rust, 263. 



White clover, 44. 



White leaves, 66. 



White pine blister rust, 265. 



Willow, 16, 56, 163, 198. 



Wilt disease, 254. 



Wind, 148, 149; pollination, 103. 



Wintergreen oil, 163. 



Wood, 123; fibers, 124; gymnosperm, 

 294; pulp, 161. 



Xanthophyll, 63. 

 Xerophyte, 58, 59, 60, 157. 

 Xylem = water conducting and wood 

 tissues, 119. 



Yam, 194. 



Yeast, 261. 



Yucca, 58, 204, 213, 322. 



Zebrina, 19. 



