302 



Index. 



Tomato worm, 163. 



Tongue grafting, 224. 



Tool for injecting poisonous 

 liquids, 174; for cutting paper 

 cards, 174. 



Top grafting, 225. 



Topping, defined, 253; tobacco, 

 263. 



Transpiration, amount of, 59; 

 conditions affecting, 58; cur- 

 rent, 60; defined, 58; exces- 

 "sive, 59; excessive, caused by 

 insufficient moisture in the 

 air, 142; increases with de- 

 gree of heat, 118. 



Transplanted plants, shading, 

 251; watering, 250. 



Transplanted stock, tardy 

 starting of, 251. 



Transplanter, Baldridge, 247; 

 Bemis, 247. 



Transplanting, 235; benefits 

 nursery trees 76; endured 

 best by vigorous plants, 236; 

 most favorable time for, 236; 

 stimulates root branching, 

 75; devices for, 245. 



Transplanting tools, Richards'. 

 246. 



Trapping insects, 162. 



Tree trunks split open by se- 

 vere freezing, 125. 



Trees, bundling for transporta- 

 tion, 239; detrimental to 

 neighboring crops, 59; direc- 

 tions for planting 243; kill- 

 ing by girdling, 63; lifted or 

 lowered to accommodate 

 grading, 238; lifting large, 

 237; nursery, benefited by 

 transplanting. 76; puddling 

 roots of, 240; reducing top of, 

 prior to planting, 242; sack- 

 ing roots of, 241; staking, to 

 prevent shaking by wind, 245. 



Trimming defined, 253; roots 

 prior to planting, 242. 



Tuber, the, 198. 



Tubercles on roots. 78. 



Turn of the year, 115. 



Underground stems, 80. 

 Unhealed wounds introduce de- 

 cay, 255. 



Unisexual flowers, 102. 

 Unpacking plants, 241. 



Variability of offspring of 

 crosses and hybrids, 20; of 

 plants, 271. 



Variation, and heredity, 16; 

 how can we produce, 273; 

 may take place in any direc- 

 tion, 17; produced by cross- 

 ing, 274; produced by cul- 

 ture, 273; produced by grow- 

 ing seedlings, 274. 



Variations, how to fix desir- 

 able, 271; not always perma- 

 nent, 271. 



Varieties, 18; origin of culti- 

 vated, 270. 



Vascular bundles defined, 51. 



Vegetables, cracks in caused 

 by excessive moisture, 140. 



Ventilation, hotbeds require 

 care in, 70; soil needs, 69. 



Veneer grafting, 229. 



Vigor defined, 12; of plantlet 

 proportionate to size of seed, 

 38; tendencies of reduced, 13. 



Vital part of woody stems, 55. 



Warmth essential to germina- 

 tion, 25. 



Washing the roots of puddled 

 plants. 242. 



Water, adequate supply of most 

 importance, 45; excess of, re- 

 tards germination, 29; ex- 

 cessive in soil destroys roots, 

 137; force causing to rise in 

 stems, 62; insufficient, how 

 affecting plants, 142; manur- 

 ing increases capacity of soil 

 for, 45; of plants almost 

 wholly absorbed by root- 

 hairs, 46; only youngest roots 

 absorb, 74; plants contain 

 large amounts of, 57; root- 

 hairs absorb, with force, 73; 

 seeds absorb, by contact, 22. 



