464 VEGETABLE 
Equisetace we, 56 
Equisetum, sclerenchyma of, 32, 33 ; 
air-spaces in, 114; chloroplasts 
in, 152 
Ereptase, 254 
Erianthus, 33 
ERLENMEYER on photosynthesis, 159 
Erythrophyll, 149 
Erythrozym, 254, 259 
Etiolation, 368 
Etiolin, 153; in photosynthesis, . 
162; antecedent of chlorophyll, 
273, 368 
Huonymus, 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 
Fucacee, 434 
Fungi, composition of cell-walls of, 
45; constructive powers of, 190 ; 
digestive powers of, 200; haus- 
toria of, 211 
Funkia, 245 
Fusarium, 256 
PHYSIOLOGY 
Gametangia, 432 
Gametes, 430 
Gametophyte, 435 
GaRREAU 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 
Gemne, 426 
Gemmation, 422 
- Geotropism, 390 
Germination, of pollen, 454; 
seeds, 458 
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 
of 
Harvey-Ginson 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 
