INDEX 



257 



Brodiaea, 164 



Bryophyllutn, 118, 119, 124, 129, 



190, 191-192 

 Buds, development of, 117-118 

 effect of, on root-formation, 124 



125 

 growth substance present in, 60, 



117-118 

 inhibition of. 75, 117-118 

 Buder, J., 166 

 Bunning, E., 99, 102. 122, 150, 183, 



205, 207, 209, 218 

 Bunsen, R. W., 139 

 Bunsen-Roscoe law {see Quantity- 



of-stimuhis principle) 

 Burkholder, P. R., 83, 123 

 Buy, H. G. du, 17, 22, 31, 34, 83, 87, 

 92. 93, 104, 132, 142-144, 146, 

 147, 155, 160, 181, 185 



C 



Calamus, 10 



Callus formation. 103, 119 

 Cambial activity, 122-123 

 Candolle, A. P. de, 87, 146 

 Capsicum, 196 



Carbon monoxide, effect of, on nastic 

 movement, 124 

 on root formation, 127 

 Carcinoma, growth substance in, 63 

 Cardamine, 59 

 Castle, E. S.. 167 



Cell division, growth substance and, 



82-83, 103, 119, 122-123, 84, 



86 



Cell enlargement, in Avena, 84, 



86 



and groA\i:h substance activity, 



81/. 

 in Helianthus hypocotyl, 121 

 in tumors, 119, 121 

 Cell wall, extensibility, 105 



measurement of, 106, 107, 110 

 growth of, 108-113 

 structure of, 105 

 Cepkalaria, 37, 58, 60, 98 



Chemical compounds, effectiveness 

 of, auxin a, 46 

 auxin b, 47 

 heteroauxin, 48, 52 

 other compounds, 52-55 

 upon rooting, 53, 124-129, 125, 



127, 128 

 upon traumatotropism, 215 



Chemical formulae of growth sub- 

 stances, auxin a, auxin b, 

 heteroauxin, 50-52 

 other compounds, 52 



Chesley, L. C, 65 



Chloroform extraction method, 26- 

 27 



Cholodny, N., 58, 61, 62, 65, 87, 90, 

 97, 99, 100, 115. 119, 137, 143, 

 149, 151, 152, 155, 156, 175, 

 182-183, 189, 190, 191, 203-204, 

 206-207, 219 



Christiansen, M., 169 



Chrysanthemum, 59 



Ciesielski, T., 199 



Clark, O. L., 141 



Coix, occurrence of growth substance 

 in, 56 

 unilateral replacement of tip, 1 1 



Coleoptile {see Avena) 



Coleus, 25, 75, 103, 119, 123, 124, 

 129 



Convolvulus, 37 



Cooper, W. C, 15 



Coriandrum, 164 



Corn, 62 



{See also Zea) 



Corn oil, 46, 63 



Coster, C, 122 



Cotyledons, as growth substance 

 supply, 65. 97. 218 



Crocker, W., 53, 75, 124, 127 



Crustacean {see Palaemonetes) 



Cucurbita, 193 



Culture methods, for Avena, test 

 object, 18-20 



Curvature, in Avena test object, 

 23, 31 

 electrotropic, 182-185, 184, 185, 

 194, 209 



