340 



INDEX 



Atkinson, on brood-bodies, 314, 315 

 Aulacomnion, brood-bodies of, 311, 312 

 Auxanometers, description and use of, 



287-293 



Avena sativa, geotropic reactions of, 75> 7 

 determination of storage sub- 

 stances in, 243 



intensity of illumination neces- 

 sary to constitute a stimulus in, 



*34 



phototropism of, 127 

 sensory zones of, 128, 129 

 structure of stomata of, 197, 198 

 transmission of stimulus effects 



in, 130 



water cultures of, 223 

 zone of photototropic curvatures 



in, 136 



Ayers, studies on mycetozoa, 69 

 Azolla, division of, 309 



Bacillus phosphorescent, 91 



thermopkiliSi 91 



tuberculosis, 91 

 Bacteria, chemotaxis of, 60 



endurance of heat and cold by, 89, 90 



evolution of oxygen by, 237 



photosynthesis by, 237 ' 

 Bacterium photometricum, relations to 

 light,. 1 12, 113 



termo, chemotaxis of, 60 

 Bailey, cyclopedia of horticulture, 298 



on grafting, 323 



on propagation by roots, 316 

 Barfoed's solution, use of, 154, 155 

 Barnes, on an auxanometer, 287 



on endurance of Marsilea in alcohol, 



51 



on horizontal microscope, 133 

 Beans, 28, 32, 81, 82, 86, 88, 106, 108 

 Beal, on propagation, 318 



on seeds germinating on ice, 95 

 Beets, 114 

 Begonia, buds on leaves, 325 



falcata, devices for entrapping light, 



125, 126 



imperialis, var. sntaragdina, adap- 

 tations to light, 125, 126 

 leaf-cuttings of, 324 

 reactions to wounds, 37 

 water cultures of, 226 

 Belzung, on callus formations, 37 



on demonstration of heat of germi- 

 nating seeds, 263 

 of length of air-passages in stems, 



195 

 estimation of gases, 258 



Benzine, extraction with, 150 



Berberis, irritable stamens of, 19 



Beta vulgaris, reaction of seedlings to 



geotropism, 75 

 Bicuculla, 317 



Bindweed, growth of stems of, 284, 285 

 Biophytum sensitivum, reactions to shock, 



13, H 



reactions to repeated stimuli, 1 9 



to wounds, 36 

 Bleeding pressure, 185 

 Bokorny, influence of poisons on yeast- 

 fermentation, 264 



Bonnier, and Leclerc du Sablon, on 

 growth of stems, 284, 285, 286 

 on lenticels, 192 

 Botrychium, formation of chlorophyl in 



darkness by, 118 

 Boyle's law, 187 

 Boussingaltia baselloides, propagation of, 



324, 325 



Bromus secahnus, germinating on ice, 94 



Browne and Escombe, on static diffusion 

 of gases, 90 



Brunissure of vines, 275 



Brunchorst, on electrotaxis, 107, 108 



Bryonia, rate of ascent of sap in, 215 



Bryophyllum, leaf- cuttings of, 324 



Bulbils, 313-315 



Bulbine longiscapa, carpotropic move- 

 ments of, 306 



Buller, on chemotaxis of spermatozoids 

 of ferns, 60 



Bumpus. on an auxanometer, 287 



Burgerstein, bibliography of transpira- 

 tion, 204 



"Bursa Bursa-pastoris, 248 



Butkewitsch, on proteolytic enzymes in 

 seeds, 272 



Butschli, theory of structure of proto- 

 plasm, 219 



Cabbage, 126 



Cacti, 90 



Caffeine, toxic action of, 56 



Calcium, uses of in plants, 217, 218 



source of, 217, 218 

 Caltha palustris, structure of stomata of, 



197, 198 

 Campanula rotundifoha, influence of 



light on leaf-forms, 143, 144 

 Campbell, see Osborne 

 Campylopus, brood-bodies of, 311 

 Canna, 126 



Carbohydrates, properties of, 148, 150 

 classification of, 148, 149 

 synthesis of, 237, 238 



