3.34 



INDEX. 



Lemna, for assimilation experi- 

 ments, 26, 32; for water-culture, 

 68 



Lenticels, connection with inter- 

 cellular spaces, 110 

 Lepidium used in experiments on 



oils, 265 

 Leucoplasts, 34 



Lever, used with auxanometer, 158 

 Light, effect on assimilation of in- 

 tensity of, 24, 36 ; on chlorophyll 

 solution, 50; on growth, 161, 

 162 ; dull, inefficient for assimi- 

 lation, 24; and gravitation, 

 opposed action of, 182 ; effect on 

 assimilation of different degrees 

 of refrangibility of, 25, 36 ; effect 

 of on heliotropic curvature, 181; 

 of different refrangibility, effect 

 of on nyctitropic movements, 

 222 



Limnanthemum, stomata, 107 

 Lithium in fungus culture, 70 

 Loew, on formaldehyde, 34 

 Lonicera, lenticels of, 110 n. 

 Lupin, variability in swelling of 



seeds of, 117 



Lynch on periodic movements of 

 Averrhoa, 225 n. 



Magnesium in fungus culture, 70 

 Mahonia, sensitive stamens of, 209 

 Maize, used in experiments on 



enzymes, 306 ; see Zea 

 Malic acid, see Acids 

 Malt-extract, see Diastase 

 Maltosazone, 284 

 Maltose, tests for and estimation 



of, see Sugars ; hydrolysis of, by 



glycase, 309 

 Manipulation and apparatus, books 



dealing with, 240 

 Mannite, see Sugars 

 Marks for measuring growth, ink 



used for, 144 n. 



Marty nia, irritable stigma of, 211 n. 

 Material to be analysed, preparatory 



treatment of, 240 

 Man gin, see Bonnier 

 Mercury, growth of roots into, 



168 



Metabolism, chemistry of, 235 



Methyleue blue absorbed by living 

 cell, 124 



Meyer, on assimilation of sugar, 

 32 n. 



Micrometer-screw, 135; used as 

 auxanometer, 150 



Microscope, used for measuring 

 growth, 71, 152, 156, 157 



Micro-spectral objective, Engel- 

 mann's, 49 



Milk, used as emulsion for blocking 

 vessels, 87 



Mimosa, effect of darkness on sen- 

 sitiveness of, 203 ; irritated by 

 ammonia, 202; sensitive to 

 touch, 202; sleep of, 223; con- 

 tinued stimulation of, 204 ; tem- 

 perature necessary for sensitive- 

 ness of, 203 



Mimulus, irritable stigma of, 211 



Mixture for luting, 3 n. 



Miyoshi, on chemotaxis in pollen 

 tubes, 216 n. 



Mohl, on movements of stomata, 

 HOn. 



Molisch, on anthocyan in leaves, 

 53 ; on chemotaxis in pollen 

 tubes, 216 n., 218; on dipheny- 

 lamin reaction for nitrates, 67 n. 



Moll, on drooping of leaves in 

 frost, 178 ; on extrusion of water 

 under pressure, 77; on injection 

 of leaves by frost, 109 



Morris, see Brown 



Movements, autonomous, 227 ; of 

 Averrhoa, 231; of Desmodium, 

 232; of Trifolium, 230; peri- 

 odic, 227-234 



Miiller, N., on effect of light on 

 chlorophyll, 51 ; on movement 

 of stomata, 110 n.; on stomata 

 affected by electric shock, 110 n. 



Musa used in experiments on glu- 

 cosides, 275 



Nageli, on anisotropism, 121; on 

 culture of fungi, 70 n. ; on heat 

 produced by imbibition, 118 n. 



Nagamat/,, on assimilation of land 

 plants under water, 26 n. 



