256 



GROWTH HORMONES IN PLANTS 



Auxin b, preparation of, from sun- 

 flower oil, 47 

 properties of, 50-51 

 sources of, 46-47 

 structural formula of, 50 

 Avena, coleoptile of, cell division 

 in, 82-83, 84, 86 

 curvature of, influence of in- 

 cisions upon, 7, 8, 218, 214 

 distribution in, of growth, 82- 

 87 

 of sensitivity to gravity in, 



171-173 

 of sensitivity to light in, 

 133-135 

 dorsiventrality of, 82 

 geo-growth reaction in, 88 

 geotropism in, 171-188, 13 

 growth substance and normal 



growth of, 8^93, 91, 92 

 light-growth reaction in, 87-88, 



93, 87 

 linear growth of cylinders (seg- 

 ments), 54 

 paths of stimulus conduction, 



6, 71-72, 30 

 phototropism in, 131-163, 13, 



136, 138, 145 

 physiological regeneration in, 



89-90 

 structure and normal growth in, 



81-87, 82, 83, 84, 85, 86 

 transport of growth substance 

 in, 71-74 

 growth of seedling for hormone 



tests, 16-20 

 structure and normal growth in 

 seedling, 81-87, 82, 83, 84, 85, 

 86 

 first internode (mesocotyl), 17, 

 81 

 use in hormone tests, (see Test 



objects) 

 varieties used as test objects, 

 16, 17 

 Avery, G. S. Jr., 17, 59, 65, 75, 81, 

 83, 93, 118, 123 



B 



Bachmann, F., 135 



Bacillus, 62 



Bacteria, 62 



Bacterium, 62 



Baffet, O., 137 



Ball, N. G., 217 



Bauguess, L. C., 53, 118, 124 



Beans, 62 



{See also Phaseolus) 

 Beech, 60 

 Bellis, 59, 97, 189 

 Bergann, F., 87, 132, 135, 147, 148, 



149 

 Beta, 6 



Beyer, A., 17, 58, 60, 72, 87, 137, 

 144, 147-148, 151, 152, 155, 

 193, 195 

 Bios, 2 



{See also Supplementary bibli- 

 ography) 

 Blaauw, A. H,, 17, 87, 95, 139, 146- 

 150, 155, 161, 163, 166 

 theory of, 146-150 

 Blum, H. F., 160, 215 

 Boas, F., 66, 101, 161, 215 

 Boletus, 62 

 Bonner, J., 29, 57, 64, 79, 104, 105, 



112, 113, 114, 122 

 Bose, J. C., 78, 159, 217 

 Bottelier, H. P., 77 

 Bouillenne, R., 15, 124 

 Boysen Jensen, P., 8-11, 12-15, 18, 

 22, 25, 27, 29, 33, 34, 41-42, 60. 

 61, 62, 63, 64, 66, 77, 90, 97, 

 100, 101, 117, 122, 135, 137, 147, 

 149, 153, 155, 156, 158, 163, 165, 

 173, 178, 193, 200, 207-208, 214, 

 4,5,9 

 quantitative method of, 27-30 

 Brain, E. D., 197 

 Brassica, 6, 37, 164, 188 

 Brauner, L., 76, 77, 78, 87, 147, 162, 



178, 183, 196, 209 

 Bread, growth substance in, 63 

 Bremekamp, C. E. B., 17, 89 

 Bro, L., 137, 139 



