INDEX 



439 



144, 145 ; of light, 141, 142 ; of 

 mechanical factors, 71 ; of oxygen, 

 143 ; of temperature, 140, 141 ; of 

 turgidity, 4, 16 ; - - of water currents, 

 65 ; latent period of, 68 ; midday sleep 

 of, 106, 107 ; movements of, 2, 22, 26, 

 102, 120, 121, 123; --use of, 71; 

 work done by, 413, 414 ; orientation of, 

 260, 261 ; propagation of stimuli in, 92, 

 94,95 ; production of electricity in, 397 ; 

 summation of stimuli in, 210; sup- 

 pression of irritability in, 69, 70 ; tem- 

 perature of pulvinus of, 79 ; thermo- 

 nasty of, 113, 115 ; torsion of, 104; M. 

 sensitive*,, 77. 



Mimulus, 63, Fig. 23 ; irritable stigma of, 

 24, 82 ; influence of ammonia on, 87 ; 

 - of air-pressure, 85 ; propagation of 

 stimuli in, 92, 93 ; M. Tilingii, sleep- 

 movements of, 103 ; thermonasty of, 

 1 14, 1 15 ; influence of gravity on, 127. 



Minden, 82. 



Mirabilis jalapa, minimal heliotropic sti- 

 muli for, 211. 



Mirbel, 166 ; on heliotropism of Mar- 

 chantia, 252. 



Misletoe, tropic irritability of, 162, 173. 



Mitosis, reduction of, 303. 



Mitschka, 219. 



Miyake, 373. 



Miyoshi, 82, 83 ; on chemotaxis, 347, 352 ; 

 on chemotropism, 180, 181, 182; on 

 hydrotropism, 183 ; on Weber's law, 

 214. 



Mobius, 13, 102, 106, 231 ; on fixation of 

 pulvinar curvature, 245. 



Modulus of elasticity, in wood, 415. 



Mohl, 21, 30, 40, 46, 47, 48, 80, 208, 273, 

 276, 289 ; on anatomy of tropic organs, 

 243, 244 ; on attraction of twiners to 

 supports, 41 ; circumnutation of 

 twiners, 24 ; influence of electricity on 

 tendrils, 146; of light on twiners, 

 42 ; on mode of twining, 35 ; origin 

 of torsion, 41 ; on pressure of coiling, 



39- 



Molecular movements, 263. 



Molisch, 263, 301, 382, 383, 416, 422; on 

 chemotropism, 180, 182; on hydro- 

 tropism, 183; on localized perception, 

 198 ; on luminosity, 388. 



Molliard, 317. 



Momordica, 314 ; M. elaterium, dehiscence 

 of, 148. 



Monas Okenii, 306. 



Monster a deliciosa, 419. 



Moore, on orientation of chloroplastids, 327, 



329, 331, 333- 

 Morphaesthesia, 190. 

 Morren, 22, 92, 141 ; on irritability of 



Drosera, 86 ; on sleep-movements of 



stamens, 103. 

 Mottier, 170, 275; on centrifugal actions, 



335 336; on nuclear movements, 301, 

 302. 



Mougeotia, fragmentation of, 148 ; orienta- 

 tion of chloroplastids of, 327, 331. 

 Movement, I, 3, 4, 11 ; energy of, 77, 412, 

 413; influence of air-pressure on, 76; 

 -of turgor on, 17; -of, on lumi- 

 nosity, 387 ; on rigidity, 77 ; 

 mechanics of, 12, 84; relation of, to 

 circumnutation, 12. 



amoeboid, 275; autonomic, 19, 416; 

 causes of, 25 ; history of, 24 ; influence 

 of external conditions on, 29 ; measure- 

 ment of, 25 ; mechanics of, 31. 

 - of Desmids, 274, 275 ; - of Diatoms 

 272, 273 ; ciliary, 264, 266, 267, 268 ; 

 ephemeral, 23 ; gliding, 270 ; grasping, 

 35, 36 ; locomotory, 262, 263 ; photo- 

 nastic and thermonastic, 416 ; stream- 

 ing, 283 ; variation, 22. 

 Mucilage, influence of, on movement of 

 Desmids, 274, 275 ; of Diatoms, 273 ; 

 of Oscillaria, 273, 274 ; of pseudopodia, 

 276. 



Mucor, 150, 303 ; growth-movements of, 

 19; localization of irritability in, 195 ; 

 M. mucedo, autotropism of, 189; 

 chemotropism of, 181 ; contact irrita- 

 bility of, 83 ; geotropism of, 165 ; 

 heliotropism of, 173, 175; rheotropism 

 of, 189; M. stolonifer, autonomic 

 movements of, 19, 20 ; geotropism of, 

 165 ; influence of gravity on circum- 

 nutation of, 28. 

 Mucorineae, irritability of sporangiophores 



of, 85. 



Miiller, 48, 191 ; on tropic after-effects, 212. 

 F. Miiller, 19. H. , 167, 173, 232, 

 233, 234, 238 ; on directive action on 

 light, 228, 235, 236; on growth curva- 

 tures, 240. N. J. C. , 176, 234, 237 ; 

 on heliotropic reversal, 171 ; on re- 

 spiration during curvature, 208. O. , 

 21; on movements of Diatoms, 272, 

 273. P. E. on sinking of rhizomes, 

 249. 

 Miiller-Hettlingen, 394 ; on galvanotropism, 



188, 189. 



Miiller-Thurgau, 208, 241, 380, 381. 



Munk, 87, in ; on digestive movements, 86; 



on hairs of Dionaea, 8 1 ; on mechanism 



of , 80 ; on stimulation of , 65 ; 



on production of electricity, 390, 394, 



395- 

 Murbeck, 182. 



Muscle, character of, 283. 



Musset, 211. 



Mutisia clematis, climbing of, 34. 



Myoid fibres, 281. 



Myriophylhtm, influence of darkness on 



leaves of, 106 ; J/. proserpinacoides, 



sleep-movements of, 103. 

 Myxomycetes, action of induction-shocks 



