404 



BIOCHEMICAL SYSTEMATICS 



Tsuga, 217, 219 

 Tubiflorae, 211, 259 

 Tulipa, 107, 108, 288 

 Turanose, 144 

 Turtle dove, 302 

 Typhaceae, 120 

 Tyrosinase, 50 

 Tyrosine, 110, 157 

 peptides, 74 



U 



Ulex, 86 



Ulmaceae, 120, 121 



Umbelliferae, 20, 75, 121, 133, 165, 211, 



281, 288 

 Uronic acid, 149 

 Uvularieae, 174 



Valerianaceae, 120 



Valine, 56 



Valine-isoleucine synthesis, 106 



Vanillin, 282 



Vasopressin, 51 



Vaucheria, 48 



Veracevine, 176 



Veratramine, 176 



Veratreae, 176 



Veratrum, 176, 177 



alkaloids, 176 

 Verbascose, 146 

 Verbascum, 149 



Verbenaceae, 121, 122, 221, 225 

 Vicia, 81, 83, 87, 110, 113, 115, 146, 



182, 185, 189, 298 

 Vicianin, 146 

 Vicianose, 146 

 Vicianoside, 182 

 Vicieae, 86, 142 

 Vicilin, 115 

 Vincetoxin, 258 

 Virgilia, 86 



Visual pigments, 87 

 Vitaceae, 120, 140, 288 

 Vitamin A, 63 

 Vitamin A2, 64 

 Vitex, 306 

 Vochysiaceae, 121 

 Volemitol, 138, 140 



W 



Waxes, 130 

 Whale, 51 

 Widdringtonia, 250 



X 



Xanthophylls, 273 

 Xanthorhiza, 172 

 Xanthorrhoea, 228 

 Ximenia, 183 

 Xylans, 137, 145, 151 

 Xylobiose, 148 

 Xylopyranose, 151 

 Xylose, 137, 147, 151 

 Xysmalobium, 258 



Yohimbe, 335 

 Yohimbine, 161 

 Yucca, 254 



Zieria, 183 

 Zierioside, 183 

 Zygadenine, 176 

 Zygadenus, 176 

 Zygogonium, 198, 284 

 ZygophyUaceae, 142 

 Zygophyllum, 142 

 Zymograms, 55, 300 



