INDEX 



261 



Erroneous experiments, 13, 89, 101, 103, 

 125, 159, 169, 186, 204 



Errors, 14; of instrument, 14; sur- 

 roundings, 14; organism, 15; per- 

 son, 15; mind, 16 



Etiolation, 208 



Evaporation, prevention, 246 



EWART, 30, 60, 61, 62, 66, 68, 71, 72, 



75 > 2 .4 



Excretion, 78, 195 



Experiment, nature, 12 



Experiment house, care, 12, 40; de- 

 scription, 31; heating, 32; furnish- 

 ings, 32; cost, 38; simple kinds, 38; 

 management, 39 



Exposition, 18 



FARMER, 184 



Fermentation, products, 137; appara- 

 tus, 137; solutions, 138; demonstra- 

 tion, 138; quantities, 140 



FERNALD, 163 



Filaments of glass, 246 



FISCHER, 119 



FISHER, 30 



FITTING, 225 



FLETCHER, 196 



Food of plants, 121 



Forces operating on plants, 65, 66, 70 



FRANK and TSCHIRCH, 23, 83 



FRIEZ, 182 



FRITZSCHE, 215 



FROST, 20 1 



GALLENCAMP, 54 



Galvanotropism, 240 



GARDINER, 88, 90 



GARREAU, 190 



Gas, absorption, 163; analysis, 105; 

 chamber, 73; fumes, 40; generators, 

 52; room, description, 35; stages, 

 description, 72; table, description, 

 47; volumes, 15 



Gauges, pressure, 157 



Geotaxis, 228 



Geotropism, 219; in seedlings, 219; 

 gravitation, 221, neutralized, 221; 

 side branches, 227; special cases, 228; 

 correlations, 228; force, 229; rela- 

 tion to growth, 230; stimulus, 232; 

 ecology, 233; features, 234 



Germination for experiment, 210 



Glass Bottles, manipulation, 246 



Glass Tubing, manipulation, 246 



Glassware, 52 

 GODLEWSKI, 169 



GOEBEL, 2l8 



GOLDEN, 201, 204 



GOODALE, 28, 30, 63, 68, 149, 176, 192 

 Gram -molecule, 151 

 Grand Period of Growth, 206 

 Graphs, use, 19; construction, 20 

 Gravitation effects, 65, 66, 219 

 GREEN, 29, 30, 120, 121, 142, 184 

 Greenhouse, description, 31 

 GRIFFIN and Sons, 249 

 Ground Stoppers, loosening, '248 

 Growth, 27; auxesis, 196; of leaves, 

 stems, roots, 197; rate, 198; meas- 

 urement, 199; temperature, 205; 

 grand period, 206; quantities, 207; 

 light, 208; etiolation, 208; colored 

 lights, 208; moisture, 209; germina- 

 tion, 210; electricity, 2 1 1 ; other con- 

 ditions, 212; relations to respiration, 

 212; phenomena, 212; osmotic pres- 

 sure, 213; nutations, 213; other 

 movements, 216; relation to tran- 

 spiration, 216; differentiation, 217; 

 literature, 218 

 Guttation, 78, 194 



H 



HABERLANDT, 76, 235 

 HALL, 184 



HANSEN, 102, 174, 223, 233 

 Haptotropism, 238 

 HAUG, Miss, 90 



Heat, effects, 65, 66, 67, 91, 132, 171, 

 205, 240; separation from light, 248 

 HEDGCOCK, 211 

 Heliotropism chambers, 234 

 HEMPEL, 104, 105 

 HILGARD, 1 60 



HOEHNEL, 174 



Hoods, 248 



Humidity effects, 209, 237 



Hydathodes, 194 



Hydrostats, 248 



Hydrotropism, 237; roots, 237; stems, 



238 



Hygrographs, 181 

 Hygrometers, 39, 181, 190 

 Hygroscopes, 47, 190 

 Hygroscopicity of threads, 204 

 Hypo nasty, 216 



Ice Plants, 194 

 Illustration, 18 

 Imbibition, 143 



