Includes bibliographical references (volumes 3, pages 3183-3321).
Preliminaries and tables of contents also in English.
v. 1. Pteridophyta, Gymnospermae y Monocotyledoneae -- v. 2. Dicotyledoneae : Acanthaceae-Fabaceae (Abarema-Schizolobium) -- v. 3. Dicotyledoneae : Fabaceae (Senna-Zygia)-Zygophyllaceae