Abies, variation of monotcrpenes in, 398 Alkaloids, chemical races of Iupine, 383 Ambrosia, chemical races of sesquiterpenes. in 393 Angiosperms, phenalenones of, 524 phylogeny and evolutionary trends in, 367 time of origin, 546 Anthocyanins and betalains, comparative biosynthesis of, 507 Anthraquinones, comparative biosynthesis of, 487 Antibiotics, effect on tetracycline synthesis, 472 B Bacterial ferredoxins with two iron atoms, 569 Betalains and anthocyanins, comparative biosynthesis of, 507

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... Biosynthetic pathways, in fungi, 435 in higher plants. 487 Bruchids, effect of secondary compounds on feeding, 530 c m-Carboxyaromatic amino acids, biosynthesis of,495 Carotenoids, biosynthesis in fungi, 448 Centrospermae, betalains and anthocyanins of, 507 Chemical characters, nature and handling of plant, 370 variability of plant, 372 Chemical fossils, geochemistry of, 591, 6 I I Cyanogenic glucosides, in geographical races, 383 Cytochrome c, amino acid sequence of, 540 evolution of higher plant, 539