TABLE OF CONTENTS 
NUMBER | (March 1980) 
De Plantis Toxicariis e Mundo Novo Tropicale 
Commentationes XX VI. Ethnopharmacological Notes on 
the Flora of Northwestern South America 
Dy Michatd Evans Schulies..c.d¢ssesee sav esesewasas l 
Coca in the Northwest Amazon 
Dy RICNALd EVAUS SCUMIES is bcc 05 56 G5ka ee we Rae 47 
Leaf Variation among Cannabis Species 
from a controlled Garden 
BY Pom. ANGcion: cx 60024 svd0450eo dea awonues 61 
Biochemical Residues as Ethnobotanical Indicators 
by Elizabeth A. Coughlin and Jonathan E. Ericson... 71 
Ibapichuna: an Edible Dacryodes (Burseraceae) 
from the Northwest Amazon 
Dy ames b. 2aTCC 64544 4440s ocud cox Vandeedieus 81 
Ruiz as an Ethnopharmacologist in Peru and Chile 
by Richard: Evans Schultes ioc sexesekaweevee se sulexs 87 
NUMBER 2 (June 1980) 
Ethnomedical, Botanical and Phytochemical Aspects of Natural 
Hallucinogens 
by Richard Evans Schultes and Norman R. Farnsworth 
eee Tee e TTT eee eee Tee ETE CeCe eT ee 124 
NUMBER 3 (September 1980) 
Indole Alkaloids in Amazonian Myristicaceae: Field and Labo- 
ratory Research 
by B. Holmstedt, J.E. Lindgren, T. Plowman, L. Rivier, 
mbes and: OO: Over. ce ci eed eeace seca scenes 215 
The Ethnobotany of Sweet Flag among North American Indians 
by George K. MOPan ii d550c4ccenn exo av ddncdwress 235 
De Plantis Toxicariis e Mundo Novo Tropicale 
Commentationes XX VII. Folk Uses of Colombian Species 
of Brunellia and Weinmannia 
BY Ricnare EVANS SCHUIMES «4 4.5%.5-0s500 eos ehbanewe es 247 
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