H. Takayama and S. Sakai, Gelsemium Alkaloids. T. Ozturk, Alkaloids Containing Quinolinequinone and Quinolinequinoneimine Units. R. Verpoorte, R. Van Der Heijden, and P.R.H. Moreno, Biosynthesis of Terpenoid Indole Alkaloids in Catharanthus Roseus Cells. H. Itokawa, K. Takeya, Y. Hitotsuyanagi, and H. Morita, Macrocylic Peptide Alkaloids From Plants. Cumulative Index of Titles. Subject Index.