454 



VEGETABLE PHYSIOLOGY 



Erytkrozym, 248, 254 



Etiolation, 360 



Etiolin, 148 ; in photosynthesis, 

 157, 174 ; antecedent of chloro- 

 phyll, 267, 360 



Euonymus, 148, 266 



Euphorbia^ 231 



EWAKT on inhibition of chlorophyll 

 apparatus, 158 



Exhaustion, 408 



Exodermis, 21 



Fat, 129 ; origin of, 170 as reserve 

 material, 240 ; digestion of, 254 ; 

 secretion of, 265 



Fatigue, 408 



Fermentation, 301, 325 



Fermentative power of protoplasm, 

 302 



Ferments (soluble), see Enzymes ; 

 (microbic), 301 



Fern, skeleton of, 25, 26 



Fertilisation, 425, 438 ; stimulating 

 effect of, 447 



Fimbristylis, 27, 29 



Flaccidity, 64 ; removal of by inject- 

 ing water 91, by checking tran- 

 spiration 96 



Flagella, 2 



Flowers, opening and closing of, 

 314, 376 



Fluorine, 175 



Food, its nature, 118; formation of, 

 141 ; conditions of continuous 

 formation of, 222 



Food materials, relation to food, 

 121 ; mode of absorption, 126, 

 128 



Formaldehyde, as stage in photosyn- 

 thesis, 151, 154 ; in construction 

 of protein, 167 



Formic acid, 154 



Free-cell formation, 416 



Frost, action of, 327 



Fruit, formation of, 447 



Fucacece, 425 



Fungi, composition of cell-walls of, 

 40; constructive powers of, 184; 

 digestive powers of, 194; haus- 

 toria of, 205 



Funkia, 239 



Fusarium, 250 



Gametangia, 423 

 Gametes, 421 

 Gametophyte, 426 



GARREAU on absorption of oxygen 



by plants, 286 

 Gaseous interchanges, 103 

 Gases, mode of absorption of, 103 ; 



movements of, in plants, 113, 114 ; 



currents of, affected by external 



conditions, 116 ; absorption of, 



137 



Gaultherase, 248, 254 

 GAUTIER on chlorophyll, 144 

 Gelatin, 160 

 Gemmae, 417 

 Gemmation, 413 

 Geotropism, 380, 394 

 Germination, of pollen, 444 ; of 



seeds, 448 



Ginkgo, antherozoids of, 437, 446 

 Glands, 245 

 Gliadin, 164, 238 

 Globoids, 237 

 Globulin, 162 

 Glochidia, 441 

 Glucase, 248, 250 



Glucosides as reserve material, 238 

 Gluten, 237 

 Glutenin, 164, 238 

 Glycogen, 232 

 Gonidangia, 419 

 Gonidia, 419 

 Grafting, 205 

 Grape-sugar as reserve material, 



233 

 Grasses, construction of stem of, 



109 



Growing-points, 76, 308 

 Growth, 210, 304; localisation of, 



305, 308, 313 ; conditions of, 308 ; 



course of, 309 ; grand period of, 



310, 313; of leaf, 312; daily 



period of, 313, 353 

 Gums, 51 



Haustoria, 201, 205, 342 



Health, 358, 365 



Heat, liberation of, 276 ; absorption 



of, 321 ; conduction of, 325 ; 



regulation of, 326 ; resistance to, 



328 



Heaths, rolled leaves of, 338 

 Hedysarum, 354 ; also see Desmo- 



dium 



Helianthus, 91 

 Heliotropism, 377, 394, 395 

 Hepaticce, 391 

 Heterospory, 429 

 Heterostylism, 443 

 Honey, 440 

 Hop, 387 



