282 



INDEX 



236 ; F. hygrometrica, influence of 

 desiccation on, 250, 251 ; ultra-maxi- 

 mal temperature for, 231. 



Fungal hyphae, penetration of, 45. 



Fungi, growth-coefficient of, 16 ; influence 

 of chemical stimuli on, 1 16 ; cold on, 

 238 ; light on, 90 ; submersion on 

 formation of spores by, 123; literature 

 on influence of temperature on, 84; 

 regeneration in, 169 ; reproduction of, 

 167 ; resistance of, to desiccation, 255. 



Funkia, polarity of vegetative embryos of, 

 158. 



Gartner, on grafting, 176. 



Galls, 171 ; causes of formation of, 172. 



Gardiner, 178. 



Gastric juice, influence of, on germination, 



US- 



Gelatine, freezing-point of, 243. 



Geleznow, 67, 206. 



Gemmules, 187. 



Geneau de Lamarliere, 88, 165. 



Gentiana campestris, early flowering of, 

 211. 



Geonasty, definition of, 73. 



Geotropism, definition of, 73. 



Gerasimoff, 41, 145. 



Gerland, 103. 



Germinal tracts, 149. 



Germination, influence of light on, 92, 93 ; 

 magnetic forces on, 107 ; stimuli 

 on, 146, 147 ; - temperature on, 

 8 1 ; of spores, influence of acids, 

 alkalies, and food on, 113; of seeds 

 and pollen-grains, 114. 



Germ-plasma, 146, 223. 



Germ-tubes, influence of desiccation on, 



253- 



Gesnena tubiflora, periodicity in, 203. 

 Geum irontanum, resistance of, to cold, 



234. 



Geyler, 5. 



Giesel, 106. 



Giesenhagen, 29. 



Giltay, 16. 



Glaeocapsa, mode of growth of, 30. 



Glechoma hederacea, influence of light on, 

 89. 



Glucose, influence of, on nitrifying bacteria, 

 122. 



Glyceria fluitans, causes of elongation of, 

 128. 



Godlewski, 81, 82, 86, 87, 96, 100, 101, 

 120; on correlation of growth, 89 ; on 

 etiolation, 99 ; on periodicity in seed- 

 lings, 203. 



Goebel, 3, 4, 9, 10, 47, 71, 73, 78, 87, 89, 90, 

 91, 92, 113, 120, 121, 122, 123, 128, 

 130, 140, 141, 142, 143, 144, 149, 150, 

 152, 153, 154, 155, 158, 161, 162, 163, 

 164, 166, 167, 171, 177, 187, 207. 



Goppert, 67, 206, 232, 233, 236, 237, 238, 



239, 241, 244, 264; on influence of 



thawing and freezing, 235. 

 Golden, 21, 22; on periodicity, 204. 

 Goldfussia, anisophylly of, 154; G. aniso- 



phylla, leaf-fall in, 218. 

 Gottschery, 118. 

 Grantz, 11, 79, 80, 90, 97, 101, 102, 103, 104, 



121, 123, 169. 

 Graft-hybrids, 174-6. 

 Grafting, 173. _ 



Gramineae, origin of hollow stems of, 34. 

 Grape, freezing-point of, 242. 

 Grasses, importance of solid nodes in, 53. 

 Grass-haulms, influence of gravity on, 1 10, 



in ; strength of, 50. 

 Gravity, influence of, on dorsiventrality, 153; 



154; -- on formation of roots, 158; 



on growth, 108 ; on planes of 

 segmentation, 157; stimulating action 



of, 73- 



Green rays, action of, 248. 



Grimaldia, induction of dorsiventrality in, 

 150. 



Grimmia conferta, resistance of, to heat, 

 229. 



Grisebach, 21, 205, 206, 212, 214; on 

 periodicity, 213. 



Growing zones, length of, 8, 9 ; intercalary, 

 9, 10, 12. 



Growth, action of poisons on, 264 ; appa- 

 ratus to show influence of temperature 

 on, 83, Fig. 17; by plastic stretching, 

 31; of cell-wall, 31 seq.; correlation 

 of, 163 ; daily periodicity in, 201 ; formal 

 conditions for, 68 ; general account of, 

 I ; grand period of, 6, II, Fig. 4 ; influ- 

 ence of chemical agencies on, 1 1 1 ; - 

 chemical stimuli on, 71; - external 

 conditions on, 68 ; light on, 84 ; 



mechanical agencies upon, 124 ; 

 tension on, 127; oxygen on, 114; - 

 air-pressure on, 115; temperature 

 on, 75 seg.j 81 ; temperature on curve 

 of, 82; water-pressure on, 126; 

 water percentage and of turgidity on, 

 118; in thickness, 13; periodicity 

 in, 204 ; measurement of, 7-9, Figs. I- 

 3, 19; methods of, 20, Figs. 6, 7; 



- by automatic registration, 21, 22, 

 Figs. 8, 9; mechanics of, 24 seq.\ 

 minimal and maximal temperatures 

 for, 76, 77 ; periodicity of, 197 ; under 

 constant external conditions, 3 ; rapidity 

 of, 15 ; region of most active, 5 ; relation 

 of, to tension in cell-wall, 30 ; of starch- 

 grains, 35 ; variations in rapidity of, 

 18,19. 



Growth-coefficients, 16. 



Growth-contraction, 13. 



Growth-curve, 8, Fig. 2. 



Gruber, 227. 



Griiss, 237. 



Guthrie, 243. 



