Para district, near Beekhuyzen : Kegel 918. 

 Paramaribo : Wullschlagel 504. 

 Lower Commewyne River : Focke 390 (fl. Sept.) 

 Northern Brazil. 



Syngonium Vellozianum Schott in Oster. Botan. Woclienblatt 1854. 

 p. 418. 

 Surinam: Splitgerber 406 H. L. B. 898, 90-248 (fl. Dec.) 

 Northern Brazil. 



PISTIA Linn. 



Pistia Stratiotes Linn. Fl. Zeylan. p. 152 n°. 322. 

 var : 7. obcordata (Hook) Engl. Fl. Bras. p. 214. 

 Pistia obcordata Hook. Botan. Mag. t. 4564. 



Paramaribo : Focke 820 named : Pistia Horkeliana Miq. in Linnaea 



XVIII (1844^ p. 81. 

 Paramaribo, near plant. Quarta : Kegel 340. 

 Lower Surinam River, near plant. Jagtlust : Splitgerber 1 182 H. L. B. 



898, 89—263. 

 Surinam: Splitgerber 162 H. L. B. 898, 89— 264 ; Weigelt ex Engler 



1. c. 635, named : Limnonesis comnmtata Klotzsch. 

 All tropical America. 



