280 



Index. 



Food, current of prepared, 61; ele- 

 ments of, most likely to be defi- 

 cient in the soil, 45; insufficient, 

 dwarfs the plant, 147; materials 

 of, how distributed through plant, 

 46; reserve, 15; storage of reserve, 

 63; use of reserve, 63. 



Food preparation the function of 

 leaves, 81. 



Food supply, relation of roots* to, 

 77; unfavorable, effect of, 011 

 plant, 146. 



Formative pruning, 245. 



Formula for Bordeaux mixture, 175. 



Formulas for kerosene emulsion, 

 161; for resin washes, 162. 



Freezing of plants favored by much 

 water in plant tissue, 118. 



Freezing, severe, may split open 

 tree trunks, 122. 



Frost, conditions that tend to avert, 

 130; how foretold, 127; plants in- 

 jured by, how saved from serious 

 damage, 120; liability to, depend- 

 ing comparatively little upon lat- 

 itude, 131; localities most subject 

 to, 131; methods of preventing in- 

 jury by, 132. 



Frozen tissues, treatment of, 120. 



Fruit, 101; or flowers, pruning for, 

 252; thinning of, 103, 252. 



Fruitfulness promoted by restrict- 

 ing growth current, 63. 



Fruiting, obstructing growth cur- 

 rent to promote, 253; root pruning 

 to promote, 253. 



Fruits and vegetables, cracks in, 

 caused by excessive moisture, 136; 

 rarely develop without fecunda- 

 tion, 102; ripening of, 103. 



Fungi, 171; endophytic, 173; epi- 

 phytic, 178; methods of controll- 

 ing, 172. 



Fungicides, 172; various, 175, 177. 



Fungous diseases, need of consult- 

 ing specialists in, 178. 



Gathering and storing of seeds, 104. 

 Genera, how formed, 18. 

 Generic name defined, 20. 

 Genus, how formed, 18. 

 Germinating power,duration of,106. 



Germination defined, 24; dependent 

 on stage of maturity of seeds, 104; 

 hastened by compacting soil, 28; 

 hastened by mutilating seed-case, 

 30; hastened by soaking seeds, 29; 

 in water, 27; moisture essential 

 to, 25; not hindered by light, 32; 

 oxygen essential to, 26; prompt- 

 ness in, important, 28; requisites 

 for, 28; retarded by excess of 

 water, 29; seed-case in, 33; temper- 

 ature at which, takes place, 26; 

 time required for, 32; warmth es- 

 sential to, 25; when completed, 25. 



Germinations, earlier, form more 

 vigorous plantlets, 38. 



Girdling, killing trees by, 62. 



Glumes, 97. 



Gooseberry mildew, 176. 



Gophers, damage from, 155. 



Gormands on fruit trees, 135. 



Graft, 210. 



Grafting, approach, 212, 224; cion, 

 212; cleft, 216, 218; cord, 214; herba- 

 ceous, 200, 219; how possible, 53; 

 objects of, 210; paper, 214; plants 

 uniting by, 211; propagation by, 

 209; root, 215; side, 219; top, 215; 

 veneer, 219; wax, how made, 212; 

 whip, 214. 



Grafts, whole root, 216. 



Graminese, flowers of, 97. 



Grape mildew, 175. 



Grass family, flowers of, 97. 



Grasshoppers, 164. 



Greenhouse, 197; heating devices 

 for, 198. 



Growing point defined, 50. 



Growth by cell division, 15; cutting 

 back new, to promote flowering, 

 252; decline of, 109; defined, 15; in 

 diameter, of stems, 54; of roots in 

 length, 70; pruning for, 251; re- 

 tarded by insufficient moisture in 

 soil, 138; tardy starting of, after 

 transplanting, 240; water neces- 

 sary to, 45. 



Growth current, obstructing, to pro- 

 mote flowering and fruiting, 253; 

 restriction of, promotes fruitful- 

 ness, 63. 



Guard cells, 49, 50. 



