Derek J. Chadwick & Joan Marsh 
Ethnobotany and the Search for New Drugs [PDF ebook] 

Partial table of contents:
Ethnobotany, Drug Development and Biodiversity
Conservation–Exploring the Linkages (M. Balick).
The Ethnobotanical Approach to Drug Discovery: Strengths and
Limitations (P. Cox).
Basic, Quantitative and Experimental Research Phases of Future
Ethnobotany with Reference to the Medicinal Plants of South America
(W. Lewis & M. Elvin-Lewis).
Ethnopharmacological Search for Antiviral Compounds: Treatment
of Gastrointestinal Disorders by Kayapó Medical Specialists
(E. Elisabetsky & D. Posey).
Natural Product Chemistry in North-Eastern Brazil (A. Craveiro,
et al.).
African Medicinal Plants in the Search for New Drugs Based on
Ethnobotanical Leads (M. Iwu).
Two Decades of Mexican Ethnobotany and Research on Plant-Derived
Drugs (X. Lozoya).
Ethnobotany and Intellectual Property Rights (J. Barton).
Indexes.

Derek J. Chadwick and Joan Marsh are editors for Ethnobotany and the Search for New Drugs and other scientific titles.