495 



British North Borneo, Haviland 1365; Dutch Borneo, Van 

 Romburgh. Sumatra. 



2. Leuconotis crassifolia Boerl. in Bull. Inst. Bot. Buitenz. 

 5 (1900) 9. 



Dutch Borneo, Van Romburgh. Endemic. 



3. Leuconotis elastica Becc. Nelle Foreste di Borneo (1902)- 

 358, 562, 563, /. 59; Stapf in Hook. Ic. IV 8 (1902) t. 2733. 



Sarawak, Beccari 2291, Haviland 3063. Endemic. 



4. Leuconotis eugenifolia A. DC. Prodr. 8 (1844) 331; 

 Boerl. in Bull. Inst. Bot. Buitenz. 5 (1900) 7; King & Gamble 

 in Journ As. Soc. Beng. 74|2 (1907) 407; Winkler in Engl. Bot. 

 Jahrb. 49 (1913) 372. 



Dutch Borneo, Van Romburgh, Winkler 2247, 3253; Sarawak, 

 Beccari 3246, Burbidge. Malay Peninsula, Sumatra. 



5. Leuconotis gigantea Boerl. in Bull. Inst. Bot. Buitenz. 

 5 (1900) 8. 



Dutch Borneo, Van Romburgh. 



Var. crassifolia Boerl. I.e. 

 Dutch Borneo, Van Romburgh. 



Var. ovalis Boerl. I.e. 

 Dutch Borneo, Van Romburgh. Endemic. 



6. Leuconotis intermedia Boerl. in Bull. Inst. Bot. Buitenz. 

 5 (1900) 7. 



Dutch Borneo, Van Romburgh. Endemic. 



7. Leuconotis subavenis Boerl. in Bull. Inst. Bot. Buitenz. 

 5 (1900) 9. 



Dutch Borneo, Van Romburgh. 



Var, latifolia Boerl. I.e. 

 Dutch Borneo, Van Romburgh. 



Var. macrophylla Boerl. I.e. 

 Dutch Borneo, Van Romburgh. Endemic. 



1. Allamanda cathartica Linn. Mant. 2 (1771) 214. 

 British North Borneo, Clemens 9731 !, ViUamil 121 ! Pantropic 

 in cultivation, a native of tropical America. 



1. Willughbya beccarii (Pierre) K. Schum. in Engl. & 

 Prantl Nat. Pflanzenfam. Nachtr. 2 (1900) 55. Ancylocladus 

 beccarii Pierre in Bull. Soc. Linn. Paris 1 (1898) 98. 



Sarawak, Beccari. Endemic. 



