Subject Index 442 



Atiactoplasni. 73 

 Atropin, 181 

 Atiopin sulfate, 186 

 Anlacomnium audr()g\nuiii . 119 

 Autodiploid, 31^1.333 



homozygous, 333 



from monoploid, 333 

 Autoploidy, 318-35 



abbreviated auto])oU|)l()i(h . 27() 



appearance of, 363 



autotetraploids as, 318 



in barley, 321 



borderline types between amphiploid, 

 281 



in carnation, 326 



categories of, 292 



classification of, 280-82 



comparison with diploid, 319 



defined. 276 



disadvantage in seed nunil)er per 

 plant, 326 



doubling of diploid, 278 



drug content increase, 368 



ecological characteristics, 370 



Ehrharta erecta, 301-2, 370 



fertility reduced, 281, 371 



fiber improvement, 326 



forage production compared, 368 



Fragaria vesca, 323 



fruit and seed, 363-67 



genomes interchanged. 292 



gigas characters, 325 



grapes, 324 



guard cell sizes, 364, 369 



improvement by, 324 



increase proportional to jjloidv, 328 



index for, 319 



larger flowers, 326 



less fertile than parental diploid, 28^ 



lilies, 325 



Lolium, 323 



maize, 321 



making of, 278 



marigold, 326 



mean diameter of pollen, 369 



Medicago, 322 



microscopic characteristics, 368 



morphological differences, 320 



muskmelons superior, 325 



pairing of chromosomes in, 281 



Phlox, 364 



physiological differences, 367-68 



poin.settia, 326 



pollen sizes, 319, 368-69 



raw polyploids, 321 



reversion to diploid, 285 



rubber increase in Hei'ca and 

 Kohsagliyz, 326 



seed weights of, 365-67 



sex determination, 352-54 



snapdragons, 326 



Solanuin, 325 



Sorghum, 323 



steel rye, 319-20, .366 



sterility of, 281 



sugar beet, 331 



technicjues for making, 383-84 



Trifolium, 322 



use of colchicine to make, 328 



vegetative character differences. 320 



I'iiica rosea, 326, 349 



watermelon parental-types for trip- 

 loids, 327-31 

 Auto-svndesis. 276 

 Autotetraploids. 278. 318-26, 328 



barley, 321 



empty grains. 32(S 



fertility correlation. 321 



flowers larger, 328 



maize, 321 



meiosis, 321 



morpholog) , 320 



pollen larger, 328 



practical value, 319-20 



3 A' seed, 328 



seeds larger, 328 



segregation of, 321 



steel'rve, 319 



stomata, 328 



testing performance, 319 



thickness of seed, 328-29 



triploid pollen, 328 

 A\icenna. 12 

 Azaguanine, 265 

 Azide, 181 



B 



Bacillus mesentericus, 121, 122 



effect on growth, 121 

 Bacillus tumefaciens, 265, 266 



effect of colchicine, 265-66 



gall formation. 265 



tiMiior formation, 266 

 Bacillus typhosus, 260 



action on timiors, 260 



extracts, 260 

 Bacterium megatherium, 122 

 Barbiturate, and colchicine toxicitw 179 

 Basal cell carcinoma, 264 

 Basic dves, 392 

 Bats, 194 

 Benzene, 400 

 X-Benzenesulphonvl trimethylcoldii- 



cinic acid, 160 

 N-Iienzoylcolchide, 166 

 N-Benzoyl-colchicinic anhydride, 410 

 X-Benzovlcolchinic anhydride. 166 

 X-Benzoyl-TMCA-methvl -ether, 408 

 \ Benzoyltrimethvkolchicinic acid, 

 165,408 



