163 



7. Piptospatha remiformis Ridl. in Journ. Str. Branch Roy. 

 As. Soc. 49 (1908) 51. 



Sarawak, Hewitt. Endemic. 



8. Piptospatha rigidifolia Engl. Pflanzenreich 55 (1912) 

 127. 



Sarawak, Ridley, Dutch Borneo, Nieuwenhuis 292, 432, 282, 

 422. Endemic. 



1. Gamogyne burbidgei N. E. Br. in Journ. Bot. 20 (1882) 

 195; Stapf. in Trans. Linn. Soc. Bot. 4 (1894) 243; Engl. and 

 Krause in Engl. Pflanzenreich 55 (1912) 123. 



British North Borneo, Burbidge. An endemic monotypic 

 genus. 



1. Bucephalandra motleyana Schott Gen. Aroid. (1858) 

 t. 56, Prodr. (1860) 319; Miq. Ann. Mus. Bot. Lugd.-Bat. 3 

 (1867) 81; Engl. in DC. Monog. Phan. 2 (1879) 354; Engl. and 

 Krause in Engl. Pflanzenreich 55 (1912) 122, /. 74. 

 Borneo, Barber, Motley 404. A monotypic endemic genus. 



1. Microcasia elliptica Engl. in Bull. Soc. Tosc. Ort. 4 

 (1879) 299, Becc. Malesia 1 (1885) 290, t. 25, f. 2-3; Engl. and 

 Krause in Engl. Pflanzenreich 55 (1912) 130, /. 77, E-K; Ridl. 

 in Journ. Str. Branch Roy. As. Soc. 44 (1905) 183. 



Sarawak, Beccari 2817 ; Dutch Borneo, Teysmann 11539, 11541. 

 Endemic. 



2. Microcasia pygmaea Becc. in Bull. Soc. Tosc. Ort. 4 

 (1879) 179; Engl. in Becc. Malesia 1 (1885) 290, t. 22, f. 22-24; 

 Ridl. in Journ. Str. Branch Roy. As. Soc. 44 (1905) 183; Engl. 

 Arac. Exsic. No. 86; Engl. and Krause in Engl. Pflanzenreich 55 

 (1912) 129, /. 77, A-D. 



Sarawak, Beccari 3883 ; Dutch Borneo, Nieuwenhuis. Endemic. 

 An endemic genus. 



1. Aglaonema borneense Engl. Pflanzenreich 64 (1915) 22. 

 Borneo, Engler, from specimens cultivated at Buitenzorg, 



Java. Endemic. 



2. Aglaonema lavalleei Hort. in 111. Hort. (1881) t. 418; 

 Lind. Cat. (1881) 1; Kew Bull. Add. Series 4 (1900) 16. 



Introduced into cultivation from Borneo, its status uncertain. 

 Sumatra. 



3. Aglaonema minus Hook. f. Fl. Brit. Ind. 6 (1894) 530; 

 Engl. Pflanzenreich 64 (1915) 53. 



Dutch Borneo, Nieuwenhuis 673; Sarawak, Native collector 6731 

 Bur. Sci. Malay Peninsula, Sumatra. 



