434 



INDEX 



nuclear movements, 301 ; on orienta- 

 tion of chloroplastids, 327, 328, 330, 

 331, 332; of leaves, 419; on stimu- 

 lators, 67, 76 ; on stimuli in dead stems 

 of Mimosa, 94, 95 ; on statolith theory, 

 225, 226 ; on transference of stimuli in 

 Biophytum, 96. 



Hacker, 302. 



Hadromal, 415. 



Haematococcus lacustris, 315 ; geotaxis of, 

 336 ; influence of light on zoospores of, 



318- 



Hairs, climbing, 40 ; influence of, on tem- 

 perature of plant, 380; sensitive, 76. 



Hales, on ephemeral movements, 24. 



Halle-, 22. 



Hanburya mexicana, disks of, 47. 



Hansen, 170. 



Hansgirg, 19, 22, 23, 24, 27, 81, 82, loo, 

 102, 103, 104, 106, 141, 142, 318, 325 ; 

 on forms of movement, 3 ; hydro- 

 nastic, 116, 117, 118, 119; ther- 

 monastic, 113, 115; of Oscillaria, 



273, 274. 



Hanstein, 286, 290, 301. 



Haptotaxis, 358. 



Hartig, 380, 381. 



Hartwegia, heliotropism of aerial roots of, 

 172. 



Hassal, 283. 



Hauptfleisch, 327, 342 ; on streaming, 283, 

 284, 289, 356, 357, 358, 359; in- 

 fluence of external conditions on, 314, 



316, 318- 



Hay, self-heating of, 368. 



Heat-production, 369; by aerobes, 366, 

 372, 373-7; influence of oxygen on, 

 371, Fig. 65 ; by anaerobic metabolism, 

 377, 378, 379 ; influence of changes of 

 temperature on, 367 ; measurement of, 

 371 ; uses of, 368. 



Heat of combustion, 369, 378. 



Heckel, 78, 144 ; on influence of darkness 

 on movement, 30. 



Hedera helix, climbing of, 32 ; geotropism 

 of petioles of, 232 ; orientation of, 252. 



Hedysarum gyrans, movements of, 2. 



Hegler, 188. 



Heidenhain, 290, 394 ; on streaming, 289. 



Heine, 334. 



Heinrich, 383, 386, 387. 



Helianthemum, irritable stamens of, 81 ; 

 barometric movements of, 87. 



Helianthus, 25 3, 335, 417; curvature of 

 hypocotyl of, 27 ; Htannuus, curvature 

 of split hypocotyl of, 243 ; geotropic 

 hypocotyl of, 165 ; heliotropism of 

 roots of, 173 ; influence of absence of 

 oxygen on growth of, 143 ; of dark- 

 ness on leaves of, 106; minimal helio- 

 tropic stimuli for, 211 ; stretching of 

 filaments of, 75. 



Helichrysum, 151. 



Heliocharis, plagiotropism of, 156, 157; 

 H.palustris, tropism of root-stock of, 

 164. 



Heliostrophism, 257. 



Heliotortism, 257. 



Heliotropic curvature, changes of turgor 

 during, 139; influence of oxygen on, 

 143 ; - - irritability, distribution of, 

 193, 194 ; responses, discriminatory 

 power in, 214; latent periods for, 210, 

 211 ; minimal stimuli for, 213; - 

 sense, 221 ; stimuli, channels for, 

 201, 202; rate of transference of, 200. 



Heliotropism, definition of, 154; indepen- 

 dence of, on nucleus, 10; relation of, 

 to twining, 41, 42; reversal of, 171, 

 172; of roots, 173 ; of scramblers, 32 ; 

 of seedlings and tendrils, 171 ; of 

 twiners, 35 ; use of, in climbing, 32. 



Helioturgotropism, 257. 



Hensen, 270. 



Herbst, 179, 208, 325. 



Hering, 390, 417 ; on retardation of growth 

 by reversal, 217. 



Hermann, 360, 361, 362, 371, 390, 393, 394. 



Hertwig, 264, 266, 269, 275, 302, 303, 304, 

 332 ; on pulsating vacuoles, 293. 



Hertzian waves, tropic action of, 188. 



Herzog, 378, 379. 



Heterogeneous induction, 208. 



Hexamitus rostratus, H.intestinalis, chemo- 

 taxis of, 347. 



Hibbertia dentata, reversal of twining in, 39. 



Hieracium, closure of capitulum of, 103 ; 

 H. pilosella, sleep-movements of, 104, 

 Fig. 30 ; H. vulgatum, thermonasty of, 

 114. 



Hilburg, on turgor in stimulated pulvini, 

 139, 238. 



Hildebrand, 148, 150. 



Himantoglossum, 24. 



Hinze, 304. 



Hippuris, 417. 



Histology, influence of, on perception of 

 stimuli, 67. 



Hochreutiner, 38, 218. 



Hoffmann, 176. 



Hofmeister, 19, 20, 22, 31, 75, "3, HS> *53, 

 155, 229, 237, 241, 243, 264, 265, 267, 

 315, 3!6, 320, 326, 340; on coiling of 

 Spirogyra, 38; on contractile me- 

 chanism, 79 ; on curvature of adult 

 petioles, 232 ; of roots, 234 ; on 

 daily periodicity, 112; on geotropism, 

 222, 223 ; on growth curvatures, 239 ; 

 on heliotropism, 238 ; on influence of 

 induction-shocks on tendrils, 145 ; on 

 rigidity of stimulated tendrils, 77 j on 

 streaming, 276, 282, 284, 288, 290, 292, 

 293, 355, 35 6 , 357; on tropism, 161, 

 165, 166, 173, 174, 175, 241, 246. 



Holmes, 324. 



Holosteum medium, thermonastic flower of, 



