or the Economic Herbarium of Oakes Ames at Harvard Univer- 

 sity or in the Herbario Nacional Colombiano in Bogota, Co- 

 lombia. 



Burdachia Dutkei Steyermark in Fieldiana Bot. 28 (1952) 282. 



Brazil: Estado do Amazonas, Rio Negro, llha Gaviao, near moulh of Rio 

 Branco. July 7, 1967. Schultes 24531 . 



This plant is believed to be toxic by the natives of the region 

 where the collection was made. 



There is, however, no chemical indication of the presence in the 

 genus of a toxic constituent. 



Burdachia prismatocarpa/1(^r. Jussieuvar. loretoensh Anderson 

 in Mem. N.Y. Bot. Card. 32 (1981) 143. 



Colombia: Comisaria del Amazonas, Rio Loretoyacu. October, 1946. Schultes 

 et Black 8400. 



The Tikuna Indians formerly employed the bank of this plant 

 in preparing an emetic drink for use by chronic sufferers of 

 stomach pains. 



Byrsonima arthropoda Adr. Jussieu in Ann. Sci, Nat., ser. 2, 13 

 (1840)335. 



Colombia: Comisaria del Vaupes, Rio Apaporis, Soratama. June 15, 1951. 

 Schultes el Cabrera 72562.— Jinogoje. Schultes et Cabrera 19815. Comisaria del 

 Amazonas, Rio Amazonas, Leticia. Schultes et Lopez 10400. 



The bark of Byrsonima arthropoda is crushed, sosik^d in warm 

 water and poulticed on deep cuts to hasten healing amongst the 

 Makuna Indians of the Rio Piraparana. 



It is of interest that natives in British Guiana are reported to use 

 the inner bark of Byrsonima crassifolia (L.) HBK. for a similar 

 purpose (A,C. Smith 3344), 



Byrsonima japurensis Adr. Jussieu in Ann. Sci. Nat., ser. 2, 13 

 (1840)335. 



Colombia; Comisaria del Vaupes, Rio Apaporis, Raudal Yayacopi. February 

 1952. Schultes et Cabrera /5507. ^Jinogoje. Schultes et Cabrera 16594. 



134 



