tationes IV. Virola as an orally administered hallucinogen” in Bot. Mus. 
Leafl., Harvard Univ. 22 (1969) 133-164. 
Schultes, R. E. and A. Hofmann The Botany and Chemistry of Hallucino- 
gens. Charles C. Thomas, Springfield, Ill. (1973). 
Schultes, R. E. and B. Holmstedt **De plantis toxicariis e Mundo Novo 
tropicale commentationes II. The vegetal ingredients of the myristicace- 
ous snuffs of the northwest Amazon” in Rhodora 70 (1968) 113-160. 
Schultes, R. E. and T. Swain ** De plantis toxicariis e Mundo Novo tropicale 
commentationes XIII. Further notes on Virola as an orally administered 
hallucinogen” in Journ. Psyched. Drugs 8 (1976) 317-324. 
