CONVOLVULACEAE. 395 



Ipomoea tamnifolia Linn. Sp. 230. 

 Marowyne River, near Albina: Went 446 (fl. Octob.). 

 Lower Surinam River, near plant. Jagtlust: Splitgerber 390 H. L. B. 



901, 163- 478 (fl. Dec). 

 Paramaribo: Focke 775. 



Surinam : Wullschlagel 766 ex Meissn. 1. c. 303. 

 Tropical America. 



PREVOSTEA Choisy. 



Prevostea sericea (Spreng.) Choisy Ann. Sc. nat. S6r. I. 4. p. 498. 

 Reinwardtia sericea Spreng. Syst. I. p. 863. 



Para district, near plant. Berlyn: Splitgerber 743 (fl. March) named 

 Dufourea aurea Splitg. mss. ex de Vriese Ned. Kruidk. Arch. I. 

 (1848) p. 150. 

 New Grenada. 



CUSCUTA Linn. 



Cuscuta americana Linn. Spec. 180. 



Paramaribo: Went 300 (fl. Aug.) 

 var. /3 congesta Engelm. 



Paramaribo : Focke named Cuscuta leiolepis Miq. Linnaea XVIII. p. 

 247 ; Wullschlagel ex Meis. 1. c 377. 

 var. r spectabilis Engelm. 



Surinam : Hostmann ex Meissn. 1. c. 



