INDEX 



467 



Fruits, fibrous bundle in, 317, 

 flavor of, increased by dryness and 



warmth, 31.'). 

 food needed by. 312-316. 

 improvement of, by breeding, 409-411.* 



412. 413.* 414,* 415,* 416,* 417. 

 oil in, 314. 

 path of food to, 313. 



— — water in, 24. 

 pectin compound'^ in. 31n. 

 production of, methods of increasing, 3I)S, 



319, 342 

 protection of, ;j;!0. 

 respiration of, 317. 

 ripening of, 31.'). 316. 324. ;i25. 

 starch in. 314. 



struggle for existence of, 312. 

 stomata of, 317. 



succulent, require more «-ater, 320. 

 sugar in, 314. 411. 



— — method of increasing, 315. 

 thinning of. 312 

 transpiration of, 317. 



water needed by, 316, 317. 

 work of, 312-32.J. 

 Yeasts on, 390. 

 Fruit trees, buds on roots of. 249. 



— protection against drying, 213. 

 Fuel value of foods, 173, 196. 

 Fumigation of plants, 215. 



Function determines structure, 179, 1^3, 



186.* 

 Fungi. 361-408. 



destroyed by lime, l-'i2. 



rotation of crops, lUO. 



on roots of trees, 150. 



protection against by bark. 256. 



callus, 263, 



Furrow-slice, 126,* 127. 



Gaiiiardia, cross-pollination of, 303.* 



flower structure of, 303.* 

 Galloway, on freezing, 354. 



— sou, 129. 



— plant diseases, 407. 

 Galls, 359. 



Gardner, acknowledgment to, x. 

 Gardner on plant breediiit;. 441. 

 Gases, fumigation, with, 215, 



Gases. See. also. Air, Carbon dioxide, 



Nitrogen, Oxygen. 

 Gasolene, test for fats and oils, 165. 

 Gastric juice. 171. 

 Gaye, on soil, 100. 

 Gelatin for bacterial cultures, 368, 369. 



— mould cultures, 395 

 Generation, spontaneous, :J6.'). 

 Geotropism, 88,*.89,* 90, 91.* 92. 9;i.* 94, 95, 



9S,* 99, 264, 308. 

 j Geranium. See Herb Robert, 

 fipranium, air passages in, 280. 

 j behaviour of seeds of, 71. 

 , flower of, position of, 307. 

 stem of. 224. 

 Geranium, Ivy, effect of cold on chloro- 

 phyll, 354. 



— leaf mosaic of, 219. 

 Germ, 1,* 2," 3.* 4,* 2ff . 56, 58.* 



(■(>ntact of, with cover, 20. 



osmotic action of, 17. 



See, also, Seed. 

 Germicide, 364. 

 Germination. See .Sted. 

 Giant Prune. See Prune, Giant. 

 Gibson, on pollination, 307. 

 Girder, 266. 

 Girdling increases fruit production, 257, 



318. 

 Gladiolus, leaf structure of, 201. 



protection of, against drying, 217. 

 Glauber's salt in soil, 158. 

 Gleditschia. See Honey Locust. 

 Glucose. See Sugar. 

 Gluten, 177, 178, 437. 

 Glycerine for shrinking cellsf 390. 



a product of saponification, 170. 171. 

 Gnaphalium. See Immortelle. 

 Goodyera. See Plantain, Rattlesnake. 

 Gophers bury seeds, 69. 

 Gorse, 331, 343.* 



effect of saturated atmosphere on, 341, 

 343.* 

 Grafting, 248, 249, 433. 

 Grains, chaff of, holds water, 29. 



conveyance of food to seeds of, 313, 

 314. 



iij'owth at nodes of, 25<J. 



proteid in, 177» 



