34° 



INDEX 



Atkinson, on brood-bodies, 314, 315 

 Aulacomnion, brood-bodies of, 311, 3 12 

 Auxanometers, description and use of, 



287-293 

 Avena sativa, geotropic reactions of, 75,76 

 determination of storage sub- 

 stances in, 243 

 intensity of illumination neces- 

 sary to constitute a stimulus in, 



*34 

 phototropism of, 127 

 sensory zones of, 1 28, 1 29 

 structure of stomata of, 1 97, 1 98 

 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 phosphorescens, 91 



thermophilis, 91 



tuberculosis, 91 

 Bacteria, chemotaxis of, 60 



endurance of beat and cold by, 89, 90 



evolution of oxygen by, 237 



photosynthesis by, 237 

 Bacterium photometricum, relations to 

 light, 112, 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. smuragdina, 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. '4 

 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 secalinus, 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 



Bryopkyllum, 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, 1 26 



Cacti, 90 



Caffeine, toxic action of, 56 



Calcium, uses of in plants, 217, 218 



source of, 217, 218 

 Caltha paluitris, structure of stomata of, 



197, 198 

 Campanula rotundifolia, influence of 



light on leaf- forms, 143, 144 

 Campbell, sec Osborne 

 Campy lopus, brood-bodies of, 311 

 Cann'a, 126 



Carbohydrates, properties of, 148, 150 

 classification of, 148, 149 

 synthesis of, 237, 238 



