286 



INDEX 



Loew, 262, 263, 268, 269, 271. 

 - and Schulze, 260. 

 Logarithmic spirals, 47. 

 Lohmann, 94. 

 Lopriore, 105, 113, 259; on regeneration, 



169. 

 Loranthits europaeus, influence of light on 



germination of, 92. 

 Lotze, 136. 



Ludwig, 206, 239, 263. 

 Lunds, 215. 



Liinularia, dorsiventrality of, 150. 

 Lupinus albus, influence of temperature on 



growth of, 77 ; periodicity in, 204 ; L. 



luteus, influence of centrifugal force 



on, 108. 



Lutz, on causes of annual rings, 216. 

 Lychtm, influence of transitory cold on, 210. 

 LycopocKum, dorsiventrality of, 154. 

 Lygodium, dorsiventrality of, 153. 



Macaire, 129. 



MacDougal, too, 171. 



Mackendrick, 56. 



Macmillan, 13, 21, 22; on periodicity, 204. 



Madeira, climate of, 205. 



Maule, 133, 134. 



Magnetic properties of cell-constituents, 

 107. 



Magnetism, influence of, on growth, 107. 



Magnus, 170. 



Manassein. 229. 



Manganese, poisonous action of, 261. 



Mangin, 96, 254. 



Mann, 162. 



Marchantia, fixed dorsiventrality of, 140 ; 

 induction of dorsiventrality in, 149, 

 150, Fig. 24; influence of gravity on 

 gemmae of, 109; --light on develop- 

 ment of rhizoids of, 93, 94 ; on 

 growth of rhizoids of, 96 ; M. polymor- 

 pha, ultra-maximal temperature for, 

 231. 



Marey, 22, 23. 



Marriotte, on influence of root-pressure on 

 growth, 30. 



Marsilect, germination of spores of, in 

 darkness, 92 ; influence of gravity on 

 division of ovum of, 157 ; - on 



protliallus of, 109 ; parthenogenesis in, 

 147; M. quadrifolia, elongation of 

 petioles of, 122. 



Massart, 119, 133, 166, 167, 186, 256, 257; 

 on regeneration, 169. 



Matruchot, 117. 

 - and Molliard, 1 2 1. 



Mattirolo, 164. 



Maxwell, 1 8. 



Mayer, 84, 120. 



Maze, on anaerobic respiration of seedlings, 

 228. 



Mechanical stimuli, 132 ; influence of, on 

 growth, 1 8 1. 



Mechanical tissues, 51 ; arrangement of, 



52-4; influence of pressure on, 128. 

 - vibrations, influence of, on growth, 130, 



131- 



Mechanomorphosis, 132. 



Mechanotropism, 132. 



Aledicago, resistance of seeds of, 230. 



Meischke, 50. 



Meissner, 10, 153. 



Mellink, 28, 45. 



Melobesia Lejolisii, 47, Fig. ir. 



Melsens, on influence of cold on enzymes, 

 -39 > -~ pressure on yeast, 126. 



Meltzer, 131. 



Mendel, 189. 



Mer, 99. 



Meristematic cells, characters of, 6 ; size 

 of, 39- 



Meristems, general characters of, 146; 

 physiological characters of, 139. 



Merkel and Bonnet, 148. 



Merulius lacrymans, condition for germina- 

 tion of, 113. 



Metallic ions, poisonous and non-poisonous, 

 272. 



Methyl blue, poisonous concentration of, 

 265. 



Meyer, 2, 15, 36, 178, 231, 238 ; on growth 

 and structure of starch-grains, 35. 



Michaelis, 84. 



Micrococciis luteus, influence of cold on, 

 238. 



Miehe, 33, 160, 182; on regeneration, 169. 



Migula, 39, 84, 94, 117, 191, 247; on aspo- 

 rogeny, 193. 



Millardet, 62. 



Mimosa, duration of tissue-strains in pul- 

 vinus of, 65 ; influence of correlation 

 on etiolation of, 99 ; strains of pulvinus 

 of, 62, 63 ; M. pudica, etiolation of, 

 89 ; injurious action of green rays on, 

 103; minimum temperature for, 233; 

 transmission of stimuli in, 185, 186. 



Mimulus luteus, development of, in weak 

 light, 92. 



Mirbel, 150. 



Mitosis, 148; suppression of, 43. 



Miyake, 1 8. 



Miyoshi, 84. 



Mnium hornum, influence of desiccation 

 on, 250, 251. 



Modulus of elasticity in plants, 56. 



Mobius, 7, 81, 91, 93, 164, 199, 209. 



M oiler, 6, 107; on growth of fungi, 17. 



Mohl, 53, 151, 206, 207, 236, 240; on leaf- 

 fall, 217. 



Moisture, influence of, on formation of 

 spore and zygotes, 123 ; - - on length 

 of internodes, 100. 



Molinia caerulea, intercalary growing zones 

 in, 9. 



Molisch, 114, 176, 217, 218, 238, 239, 240, 

 241, 242, 244, 246; on action of cold, 



