IXDEX 



465 



Etiolation, l-'4.' 1-' :vi^.* ;54 ' 

 Eacalyptus, protf^-tion of, against drying. 



214, 217. 317, :j:j:j. 3^4 



fruit of 320. 



Eapatorium, ?!>ee Bonr-st-t. 



European Plum. Set- Plum. European. 



Evaporation. See Soil, E\ aporation from. 



and Transpiration. 

 Evening Primrose. See Primrose. Evening. 

 Evolution, 330, 441-453. 

 control of. 4-33. 



indii-ated by variation curve, AVj."' 

 E.Kceutric growth. H4S-3.50.* 

 Ex'-retions, nitrogen in, 17U. 



poisonous character of, 37?. 

 Experimental morphology. See Plant, 



form of. 

 Exposure, effect of, on fruit production, 



319 

 External agents 326-361. >ee. al-o, Air, 



Food. Gravity. Heat. Light. Water. 



Winil. 

 Eye. effect of light on. 19G. 



Fagopyrum. St-e Buckwheat. 

 Fall wood. 232.* 236.=^ 247 

 Fascination. 42ii. 4:21. 

 Fiits, changed to starch. 2.j9. 



decomposition of , ^JSl. 



emulsification of, 169, 17U. 



energj- from, 173. 



formation of, 170. 201. 



in eg;^-. 177. 



—growing region, 2">;{. 



— >e-..~,165, 177. 



— trees. 20fi. 



saponification of. 170, 171. 



tests for, 165, 2.j(t. 



See, also. Oil. 

 Feces contain wa-te nitrogen. 176. 

 Fehling's solution, preparation of. 164, 165. 

 Feldspar, 106. 107. 

 Fermentation by bacteria, 380. 



—Yeast, 169. 

 Ferments, 166. 



cause oxidation, 173. 



restore vitality of seeds. 44. 

 Fei-now, on forestry, 245. 

 Ferns as shade plants, 344. 



Ferns, protection against drying, 213, 



rhizomes of, 277. 



soil needed by, I'l.-. 



unrolling of leaf of, 2-52. 

 Fertilization. 291,* 292 * 



after effect of. 300, 360. 

 Fertilizers, 139-160. 



effect of , on fruit. 31'. 



— — — fruit production, ';!-. 

 Fever caused by wounds. 2t)2. 2i;.';. :;-;-, 

 Fibrin, coagulation of. 171. 



for digestion experiments, 171. 172. 

 Fibrous bundle. ]:i.' * 199.* 221.* 22.".,* 220. 

 227.'* 22S. 230, 231.* 2.iii,* 2".l. 317. 



effect of water on, 335.* 



; Ficns. See Fig, Rubber Plant. 



Fig, flower structure of. 310. 



pollination of, 310.311. 

 Filaree, seeds of, bury themselves, 70,* 71. 

 Filbert, absorption of water by, 7. 



openings in cover of. 9. 



path of water in cover off 9, 24. 

 Filtration of water, ;j72. 

 Fire, protection against, by bark, 256. 

 Fish, preservation of, irO. 

 Fisher, on cookery, 178. 

 Five-finger. See Cinquefoil. 

 Flavor, affected by external conditions, 

 318. 319, S42 



improvement of, by breeding, 413, 415. 

 Flax, absorption of water by, 728. 



seed-cover of, holds water. 2S. 

 ' Flesh-forming foods. 176. 

 ! Fleur-de-lis. See Iris. 

 1 Flies carrj- disease, :;8i). 



prefer yellow. 299. 

 Flinty texture protects against animals, 



Floods, relation of, to torests. 112. 

 ; Floral clock. See Clock, floral. 

 Florida, forests of. 356. 

 Flour, proteid in, 177. 



starch in, 177. 

 Flower, attraction of insects for, 207-300. 

 j color-contrasts in, 29S 

 I color of, affected by light, 347. 



double, produced by breeding. 42 - * 

 effe-^-t of heat on, 296. 347. 

 light on, 295-298, 347. '.A^. 



DD 



