290 



SUBJECT INDEX 



Cissus, 203 



Citrus, 91, 202, 204, 205 



Clematis, 206 



Cocos fat, 117 



Coelenterates, 240 



Coix, 24, 58 



Coleoptile, 21 ff. 



Coleoptile, length for auxin test, 39, 



40 

 Coleoptile, thickness, 39 

 Coleus, 97, 175, 191, 227 

 Colpoda, 238 

 Commelina, 184 

 Convolvulus, 58 

 Copenhagen, 49 

 Corn germ oil, 63, 106, 116 

 Corn meal, 63 

 Correlation, 2, 4, 6, 7, 9, 16, 91, 104, 



183, 207-209, 230, 231, 248 

 Correlation carrier, 4, 12 

 Cotton-hair, 126 

 Cotyledon, 21, 60, 84, 186, 194, 208, 



215, 217 

 Co-Wuchsstoff, 238 

 Crown gall, 225, 235, 248 

 Crustaceae, 71 

 Cucurbita, 102, 227 

 Curly-top, 227, 248 

 Cuttings, 183-187, 192-206, 222, 239, 



240 

 Cynipidae, 248 



Dark room, 27, 28 



Date (Phoenix), 17 



Decapitation, 10, 12, 24 ff., 128, 141, 



154, 167, 169 

 Decapitation scissors, 31 

 Deformis tobacco, 227 

 De-seeded test, 86, 64, 65, 68, 100 

 Dextrose agar, 61, 144-146, 162, 163 

 Diastase, auxin in, 13, 26, 105, 186, 



223 

 Didymoplexis, 67 

 Differentiation, 119, 198, 242, 243 

 Diffusion of auxin, 90, 95-97, 101, 



113, 145, 146 

 Diffusion method, 57 

 Dihydro-auxin a, 108, 115 

 Diseases, plant, 72, 248 

 Dissociation constant, 106, 130, 131 

 Distribution of auxin, 67-70, 86, 99, 



156-182, 245 

 Distribution of growth, 51, 77-86, 148 



Dog, 70 



D-value, 33 



Dwarfs, 81, 86-88, 211 



Elasticity, 121-124 



Eleagnus, 61, 97 



Electrical field, 180, 241 



Electric potential, 11, 103, 104, 165, 



166, 171, 181 

 Electro-tropism, 165, 179-181 

 Embryo, 17, 71, 242, 243 

 e.m.f., see Electric potential 

 Eosin, 163 

 Epicotyl, 21, 82, 85 

 Epilobium, 87 

 Epinasty, 56, 116, 181-182 

 Erineum, 248 



Esters of auxins, 65, 114-117, 139 

 Ether narcotization, 96, 97 

 Ethylene, 160, 181, 182, 184, 191, 192 

 Euglena, 238 



Euphotometric movements, 175 

 Evocator, 243, 244 

 Excitation, 244 

 Excystment, 238 



Extraction of auxin, see Chloroform 

 Eye stalk, 71 



Falling of petiole, 228 



Fiber-like structure, 125, 126 



Field, 241-244 



First negative curvature, 166 



First positive curvature, 166 



Flower formation, 7, 228, 235 



Flower stalk, 58, 122, 123 



Fluorescein, 102 



Food factor, 78-80, 82, 84-86, 159, 



178, 179 

 Formation of auxin, 57-67, 69, 194 

 Formation of roots, see Root 

 Formation of shoots, 92 

 Formative substances, 6 

 Fraxinus, 219 

 Free auxin, 68, 130-132, 160, 161, 169, 



170 

 Fucus, 241 

 Fungi, 57, 71, 72, 105, 112, 113, 116, 



235-238 



Galls, 8, 225, 248 

 Ganzheit, 240 

 Gastrodia, 67 

 Gelatin, 12 

 Gene, 86-88, 247 



