464 



VEGETABLE PHYSIOLOGY 



Equisetacece, 56 



Equisetum, sclerenchyma of, 32, 33 ; 



air-spaces in, 114;' chloroplasts 



in, 152 

 Ereptase, 254 

 Eriantkus, 33 



ERLENMEYER on photosynthesis, 159 

 Erythrophyll, 149 

 Erythrozym, 254, 259 

 Etiolation, 368 

 Etiolin, 153 ; in photosynthesis, 



162 ; " antecedent of chlorophyll, 



273, 368 



Euonymus, 153, 272 

 Euphorbia, 237 

 EWART on inhibition of chlorophyll 



apparatus, 163 

 Exhaustion, 417 

 Exodermis, 25 



Fat, origin of, 175 ; as reserve 

 material, 245 ; digestion of, 260 ; 

 secretion of, 271 



Fatigue, 417 



Fermentation, 307, 331 



Fermentative power of protoplasm, 

 308 



Ferments (soluble), see Enzymes 



Fern, skeleton of, 30 



Fertilisation, 434, 448 ; stimulating 

 effect of, 456 



Fimbristylis, 33 



Flaccidity, 69 ; removal of by inject- 

 ing water, 96 ; by checking tran- 

 spiration, 102 



Flagella, 2 



Flowers, opening and closing of, 

 320, 384 



Fluorine, 181 



Food, its nature, 125 ; formation of, 

 146 ; conditions of continuous 

 formation of, 228 



Food materials, relation to food, 

 127 ; mode of absorption, 132, 134 



Formaldehyde, as stage in photosyn- 

 thesis, 156 ; in construction of 

 protein, 172 



Free-cell formation, 428 



Frost, action of, 333 



Fruit, formation of, 457 



Fucace.ce, 434 



Fungi, composition of cell-walls of, 

 45 ; constructive powers of, 190 ; 

 digestive powers of, 200 ; haus- 

 toria of, 211 



Funkia, 245 



Fusarium, 256 



Gametangia, 432 



Gametes, 430 



Gametophyte, 435 



GARREATJ on absorption of oxygen 



by plants, 292 

 Gaseous interchanges, 109 

 Gases, mode of absorption of, 109 ; 



movements of, in plants, 119, 120 ; 



currents of, affected by external 



conditions, 122 ; absorption of, 



142 



Gaultherase, 254, 259 

 GAUTIER on chlorophyll, 149 

 Gelatin, 165 

 Gemnae, 426 

 Gemmation, 422 

 Geotropism, 390 

 Germination, of pollen, 454 ; of 



seeds, 458 M 



Ginkgo, antherozoids of, 446, 456 

 Glands, 251 

 Gliadin, 169, 244 

 Globoids, 243 

 Globulin, 167 

 Glochidia, 451 

 Glucase, 254, 256 



Glucosides as reserve material, 244 

 Gluten, 244 

 Glutenin, 169, 244 

 Glycogen, 238 

 Gonidangia, 428 

 Gonidia, 428 

 Grafting, 212 



Grape-sugar as reserve material, 239 

 Grasses, construction of stem of, 



115 



Growing-points, 81, 314 

 Growth, 216, 310 ; localisation of, 



311, 314, 318 ; conditions of, 314 ; 



course of, 315 ; grand period of, 



316, 317; of leaf, 318; daily 



period of, 319, 361 

 Gums, 57 



HARVEY- GIBS ON on photosynthesis, 



161 



Haustoria, 207, 211, 349 

 Health, 366, 373 

 Heat, liberation of, 283 ; absorption 



of, 327 ; conduction of, 331 ; 



regulation of, 332 ; resistance to, 



334 



Heaths, rolled leaves of, 345 

 Hedysarum, 362 ; also see Desmo- 



dium 

 Helianthus, 96 



