244 



Rafflesiaceae. 



1. Brugmansia lowii Becc. in Att. Soc. Ital. Sci. Nat. 11 

 (1868) 198, Nuov. Giorn. Bot. Ital. 1 (1869) 85, t. 4, f. /-/3, 7 

 (1875) 74; Scheff. in Nat. Tijdschr. Nederl. Ind. 34 (1874) 68; 

 Solms-Laub. in Engl. Pflanzenreich 5 (1901) 12; Koord. Bot. 

 Overzicht Raffl. Nederl.-Ind. (1918) 101, t. 17, f. C-E. Brugmansia 

 zippelii Blume var. lowii Hook. f. in DC. Prodr. 17 (1873) 113. 



Borneo, Low. Sumatra. 



2. Brugmansia zippelii Blume in Van Hall Bijdr. Nat. 

 Wetensch. 2 (1828) 422; Winkler in Engl. Bot. Jahrb. 49 (1913) 

 365; Koord. Bot. Overzicht Raffl. Nederl.-Ind. (1918) 94, t. 15, f. 

 A-D. 



Dutch Borneo, Winkler 3229. Java. 



1. Rafflesia borneensis Koord. Bot. Overzicht Raffl. Nederl.- 

 Ind. (1918) 47 t. 4, 5. 



Dutch Borneo, Witkamp. Endemic. 



2: Rafflesia ciliata Koord. Bot. Overzicht Raffl. Nederl.-Ind. 

 (1918) 64, t. 9. 

 Du-tch Borneo, Witkamp. Endemic. 



3. Rafflesia tuan mudae Becc. in Att. Soc. Ital. Sci. Nat. 11 

 (1868) 197, Nelle Foreste di Borneo (1902) 166, /. 33; Solms- 

 Laub. in Ann. Jard. Bot. Buitenz. 9 (1891) 239, t. 27, /. 4, 5, 9, 

 10; Engl. Pflanzenreich 5 (1901) 9. Koord. Bot. Overzicht Raffl. 

 Nederl.-Ind. (1918) 66. 



Sarawak, Beccari. Endemic; Boerlage Handl. Fl. Nederl. Ind. 

 3 (1900) 59, reduced this to the Sumatran Rafflesia titan Jack. 



4. Rafflesia witkampi Koord. Bot. Overzicht Raffl. Nederl.- 

 Ind. (1918) 61, t. 8. 



Dutch Borneo, Witkamp. Endemic. 



Polygonaceae. 



1. Polygonum barbatum Linn. Sp. PI. (1753) 518, var. 

 vulgare Meissn. in Wall. PI. As. Rar. 3 (1832) 56; Winkler in 

 Engl. Bot. Jahrb. 49 (1913) 366. 



Dutch Borneo, Winkler 3119; British North Borneo, Clemens 

 97981, 102931 Widely distributed in the tropics of the Old 

 World. 



2. Polygonum. borneense Meissn. in Miq. Ann. Mus. Bot. 

 Lugd.-Bat. 2 (1865-66) 59. 



Dutch Borneo, Korthals. Endemic. 



