XII 



HOW CROPS GROW. 



Cyanophyll 110 



Darwin on insect-fertilization 295 



" Hypothesis of. 298 



Decimal system of weights 58 



Deflagration 1:36 



Definite Proportions, Law of 47 



Deliquescent 135 



Density of seeds 308 



Depth of sowing 316 



Dextrin 09 



J)i;istase 321 



Dicalcic phosphate 134 



Dicotyledonous seeds 303 



Diffusion of liquids 351 



Diffusion-rates 352 



Dioecious plants 294 



Direction of growth 370 



Disodic phosphate 134 



Double flowers . . . 293 



Drains stopped by roots 253 



Drupe 300 



Dry weather, Effect of, on plants. . .144 



Ducts 234,272 



Dundonald's treatise on Ag. Chem- 

 istry 20 



Elements of Matter 25 



Elm roots 254 



Embryo 302 



Emulsin 101 



Endogens 238 



Endogenous plants 208, 303 



Enciosmose 355 



Endosperm 302 



Epidermis .269 



" of leaf. 285,287 



Equisctum 184 



Equivalent replacement of bases. . .201 



Eremacausis 37 



Estimation of Albuminoids 108 



" ' Cellulose.... 60 



" ' Fat 94 



" ' Starch 06, 7G 



" ' Sugar 70 



' ' Water 54 



Etherial oils 90 



Excretion of mineral matters from 



leaves 192 



Excretions from roots .... 258 



Exhalation of water from foliage 



287,332 



Exogenous plants 237, 273, 303 



Exogens 237 



Exosmose 355 



Experiment-Stations of Germany... 24 



Extension of roots . . . .2-10 



Extractive Matters 320 



Exudation of ash-ingredients 189 



Eyes of potato 237 



Families 298 



Fatty acids 93 



Fats 89 



" converted into starch 318 



Fat in oat crop 211, 215 



" Proportions of, in Vegetable 



Products 94 



Ferments 327 



Fertilization 291 



Fiber... .. 00 



Fiber in oat crop 210, 214 



Fibrin 98 



Field-beet, ash-analyses.... 155, 170, 377 



" " prox. " 387 



Flax fiber, lig 50, 227 



Flesh fibrin 99 



Fleshy roots 251 



Flower 291 



Flow of sap 331 



Fluorine in plants 119, 195 



Fodder plants, Ash of 370 



Foliage, Offices of. 290 



" white in absence of iron.. 199 



Food of Plant 3:27 



Force 25 



Forces 20 



Formative layer 224 



Formulas, Chemical 50 



Fructification 294 



Fructose 73 



Fruit 300 



Fruits, Ash of. 379 



" Composition of. 390 



Fruit sugar 73 



Fuchsia, fig. of flower 292 



Fungi 223 



Gases, how distributed throughout 



the plant 305 



Gallic acid 110 



Gallotannic acid 110 



Gelatinous Silica 122, 123 



Genus ; Genera 298 



Germ 302 



Germination 310 



" Conditions of 312 



" Chemic'l Physiology of.318 



" Phenomena of. 311 



" Temperature of 312 



Girdling. . . . 342, 343, 344 



Glass 121 



Glauber's Salt 132 



Gliadin ' 101 



Globulin 97 



Glucose 74 



Glucosides 77, 110 



Gluten 99 



Gluten-Casein 100 



Glycerin 93 



Gourd fruits 301 



Grains 301 



" Ash of. 150,378 



Grain 58 



Grape Sugar 74 



(irasscs, ash-analyses 157, 370 



" prox. " 3S5 



Gravitation, influence on growth. ...371 



Growth 23 L 



" of roots 235 



Downward and upward 372 



Gum, Amount of, in plants 72 



Gum Arabic 70 



Gum Tragacanth 71, 79 



Gun Cotton 58 



Gypsum ' 133 



Gyde, Exp. on root-excretion 259 



Haberlandt, on vitality of seeds 300 



Heemoglobin 97 



llallett's pedigree wheat 1 14 



