ASCLEPIADACEAE. 389 



Lower Surinam River: Hostmann and Kappler ed. Hohenacker 1092 

 (fl. April). 



Roulinia guyanensis Dene Prodr. VIII. p. 517. 

 Tapanahoni River: Versteeg 860 (fl. Sept.). 

 Saramacca River, near Maripaston: Kegel 1358 (fl. March). 

 British Guyana. 



MARSDENIA R.Br. 



Marsdenia mollissimma Fourn. Flora Bras. VI 4 p. 322 t. 95. 

 Litanie River: Versteeg 431 (fl. Dec). 

 Commewyne River, near plant. Maasstroom: Focke 1364. 

 Surinam River : Wullschlagel ex Fournier 1. c. 

 Tropical Brazil 



Marsdenia ovata Fourn. Flora Bras. VI. 4 p. 321. 



Lawa River : Kappler (coll. 1861 ed. Hohenack. 2090 (fl. Oct.) named 



by Griseb. Sphincto stoma rubro-fuscum Bth.; Kappler (coll. 1861) 



H. L. B. 903, 322—437. 

 Tapanahoni River: Versteeg 653 (fl. July). 

 British Guyana. 



QONOLOBUS Mich. 



Qonolobus viridiflorus Rom. et Schult. Syst. VI. p. 61. 



Paramaribo: Splitgerber 575 H, L. B. 898, 167—397 (fl. Febr.) 

 Surinam: Focke 277; Hostmann 310. 

 Tropical Brazil. 



