INDEX. 



685 



Batalin 



on growth of leaves in darkness, 



38i 

 on movements of growing leaves, 



405 



on movements of leaf of Oxalis, 538 

 Batrachospermum, 613 

 Becquerel, on temperature of trunks of 



trees, 315 



Begonias, propagation of, 598 

 Belajeff, on development of anthero- 



zoids, 639 



Bellamy, on alcoholic fermentation, 209 

 Beneden, E. van, on extrusion of polar 



body, 672 

 Berberis, irritable stamens of, 533, 545, 



54 8 559 



Berard, on alcoholic fermentation in 

 fruits, 209 ; on Carnauba wax, 244 



Bergrnann, on presence of formic and 

 acetic acids in plant -cells, 225 



Bert 



on effect of variations in the atmo- 

 spheric pressure, 74 



on evolution of heat accompanying 

 movements of Mimosa, 312 

 on motile organs, 312 

 on condition of movements of Mi- 

 mosa, 537, 539, 541, 544, 549, 572 



Berthelot, on the formation of com- 

 bined nitrogen, 128 



Berthold, on reproduction of Ectocar- 

 pus, 608 (Fig. 66) 



Beta vulgaris, localisation of heliotropic 

 irritability in, 438 



Betain, 221 



Bevan, on aromatic substances, 233 



Beyer 



on analysis of lupin seeds, 175 

 on chlorine, 136 



on conversion of acids into sugar 

 in fruits, 230 



on solvent action of saline solu- 

 tions, 55 



Biennials, 597 



Bignonia, irritability of stigma of, 545 



Bilateral organs, 423 ; action of light 

 on, 441 



Biltz, on amides in leaves, 150 



Biological significance of plant-move- 

 ments, 587 



Bischoff, on luminosity, 317 



Bleeding of plants, 90; composition of 

 fluid (Schroder), 91 ; experiments of 

 Williamson on, 92 ; periodicity of 

 pressure, 95 ; rate of escape of sap 

 (Hofmeister), 94 



Blociszewski, on artificial nourishment 

 of embryo, 179 



" Bloom " on fruits, 243 



Boiling; effect of, on seeds with thick 

 endocarp, 282 ; on spores of Bacillus 

 subtiliS) 282 

 Bohm 



on absorption of carbon dioxide, by 

 leaves, 83 



on evolution of hydrogen from 

 plants, 209 



on starch-grains in chlorophyll-cor- 

 puscles, 141 



on transpiration-current, 98 

 du Bois-Reymond, on electricity, 320 

 Bokorny 



on formation of nitrogenous or- 

 ganic substance in plants, 149 



on structure of protoplasmic mole- 

 cule, 1 60 

 Bonnet 



on absorption of carbon dioxide by 

 growing plants, 81 



on absorption of water by leaves, 66 

 on geotropism, 456 

 on relation of transpiration to num- 

 ber of stomata, 105 

 Borodin 



on amides in leaves, 150 

 on exhalation of carbon dioxide by 

 plants in light, 261 



on plant-movements, 299 

 on absence of sugar and amides in 

 growing point, 177 



Borscow, on movements of Diatoms, 520 

 Botrydium, 524; life-history of, 632; 



reproduction of, 607 

 Botrytis cinerea, 634 

 Bouchut, on papa'in, 190 

 Boussingault 



on absorption, of ammonia by leaves, 

 86 



of carbon dioxide, 82 

 of gases by leaves, 72 

 of nitrates by roots, 128 

 of nitrogen gas, 85 

 of oxygen, 79. 

 of water by leaves, 66 

 on assimilation of carbon by plants, 

 146 



on analysis of maize seeds, 1 76 

 on chemical action of roots on so- 

 lutions, 56 



on effect of excess of carbon dioxide 

 on absorption by leaves, 73 



on evolution of hydrogen by plants, 

 209 



on evolution of oxygen, 142 

 on excretion by roots, 222 

 on exhalation of carbon dioxide by 

 leaves, 198 



on formation of non-nitrogenous 

 organic substances in plants, 147 



