Palicourea guianensis Aublet, Hist. PI. Guian. Franc. 1 (1775) 

 173, t. 66. 



Colombia: Comisaria del Vaupes, Mitu. "Tree 25 feet. Flowers deep yellow; 

 axes pale yellow." September 27-October 20, 1966. Schultes et Raffauf 24195. 



i Fresh leaf and stem material are strongly alkaloid-positive 



with a Dragendorff spot-test on fresh material. 



Palicourea macrophylla (HBK.) Standley in Field Mus. Nat. 

 Hist. Bot. Publ. 7(1931)321. 



Colombia: Comisaria del Amazonas, Leticia. "Tree 30 feet. Flowers violet to 

 purple, very fleshy. On secondary growth." August 29-31, 1966. Schultes, 

 Raffauf, Forero et Soejarto 240 II. 



Palicourea macrophylla is alkaloid-positive with a Dragen- 

 dorff spot-test on fresh material. 



Warscewiczia coccinea (Vahl) Klotzsch in Monatsb. Akad. Ber- 

 lin. 1853(1853)497. 



Colombia: Comisaria del Amazonas, Leticia. "Small tree 15 feet. Flowers 



yellow. Bracts red. "August 29-31, 1966. Schultes, Raffauf Forero et Soejarto 

 24096. 



This common and beautiful rubiaceous plant gives an 

 alkaloid-negative response to a Dragendorff spot-test. 



Caprifoliaceae 



Sambucus mexicana Presl ex DeCandolle, Prodr. 4 (1830) 322. 



Colombia: Comisaria del Amazonas, Rio Loretoyacu. September 2, 1972. 

 Glenhoski 46. 



em 



people in the Rio Loretoyacu: the leaves are boiled for half an 



warm 



cup doses to treat measles and to "cool fevers" (Glenboski: loc. 

 cit. 38). 



The local name of this plant in Spanish is sauco or sabuguera. 



285 



