nogenic purposes (Schultes: Bot. Mus. Leafl., Harvard Univ. 22 

 (1969) 229-240; Schultes, Swain et Plowman: loc. cit. 25 (1977) 

 259-272).; Aboriginally, instead of smoking tobacco commu- 

 nally, they consume it, together with coca, as a thick liquid 

 called ambil which they smear on the upper gums (Schultes: 

 Agric. Trop. No. 9 (1945) 19-22). Many other aspects of the 

 ethnopharmacological use of plants amongst the Witotos sug- 

 gest that their pharmacopeal knowledge is extensive and 

 distinct. 



Banisteriopsis Caapi (Spr. ex Griseb.) Morton in Journ. Wash. 

 Acad. Sci 21 (1931)486. 



Colombia: Comisaria del Amazonas, Rio Caqueta, Araracuara, "Cultivated 

 by Witoto Indians. Leaves pulverized and smoked as hallucinogen. July 1985. 

 R. E. Schultes sine num. 



Sterile voucher specimens were collected. They were deter- 

 mined by Schultes as representing Banisteriopsis Caapi, an 

 identification confirmed by William Anderson. Voucher speci- 

 mens have been deposited in the Herbario Nacional de Colom- 

 bia, in the Economic Herbarium of Oakes Ames, Harvard 

 University and in the Herbarium of the University of Michigan. 



63 



