294 



Index. 



Filament, 97. 



Fir tree oil, 170. 



Fibro-vascular bundles, 51. 



Fixing desirable variations, 271. 



Flax, dodder of, 179. 



Flea beetles, 168. 



Flower, 95; certain parts of, 

 often wanting, 98; parts of 

 the, 95; parts of. vary in 

 form in different species, 98. 



Flower-buds, 88; conditions af- 

 fecting formation of, 91; de- 

 stroyed by cold, 126; how dis- 

 tinguished from leaf-buds, 

 88; ringing often causes for- 

 mation of, 94, 265. 



Flowering and fruiting, root 

 pruning to promote, 264. 



Flowering, glumes, 100. 



Flowering, pinching to pro- 

 mote. 263. 



Flowers composite, 98; espe- 

 cially sensitive to cold, 127; 

 of the grass family, 99; tend 

 to exhaust the plant, 95. 



Flowers and fruit, obstructing 

 growth current to promote, 

 265; pruning for, 263. 



Flow of sap in spring, 61. 



Food, current of prepared, 62; 

 elements of, most likely to 

 be deficient in the soil, 45; 

 insufficient dwarfs the plant, 

 153; materials of, how dis- 

 tributd through plant, 47; re- 

 serve, 15; storage of re- 

 serve, 64; use of reserve 64. 



Food preparation the function 

 of leaves, 82. 



Food supply, relation of rcots 

 to, 78; unfavorable, effect of, 

 on plant, 151. 



Formaldehyd, 181. 



Formalin treatment for grain 

 smut, 181. 



Formative pruning, 256. 



Formula for Bordeaux mix- 

 ture, 183. 



Formulas for kerosene emul- 

 sion, 168; for resin washes;, 168. 



Freezing of plants favored by 

 much water in plant tissue 122. 



Freezing, severe, may split 

 open tree trunks 125. 



Frost, conditions that tend to 

 avert, 134; how foretold. 131; 

 plants injured by, how saved 

 from serious damage, 124; 

 liability to, depending com- 

 paratively little upon lati- 

 tude, 135; localities most sub- 

 ject to, 135; methods of pre- 

 vent.ng injury by, 136. 



Frozen tissues, treatment of, 

 124. 



Fruit, 104; or flowers, pruning 

 for, 263; thinning of, 105, 263. 



Fru.itfulness promoted by re- 

 stricting growth current 63. 



Fruiting, obstructing growth 

 current to promote, 265; root 

 pruning to promote, 264. 



Fruits and vegetables, cracks 

 in, caused by excessive moist- 

 ure, 140; rarely develop with- 

 out fecundation, 104; ripen- 

 ing cf, 106. 



Fungi, 179; endophytic, 181; 

 epiphytic, 181; methods of 

 controlling, 180. 



Fungicides, 180; various, 182, 185. 



Funguous diseases. need of 

 consulting specialists in, 185. 



Gathering and storing of seeds, 

 106. 



Genera, how formed, 18. 



Generic name defined, 20. 



Genus, how formed, 18. 



Germinating power, duration 

 of, 108. 



Germination defined, 24; de- 

 pendent on stage of matur- 

 ity of seeds, 106; hastened by 

 compacting soil, 28; hastened 

 by mutilating seed-case, 30; 

 hastened by soaking seeds, 

 29; in water, 27; moisture es- 

 sential to, 25; not hindered 

 by light. 32; oxygen essential 



