449 



5. Plethiandra rejangensis Stapf in Hook. Ic. IV 5 (1895) 



sub. t. 2418. 



Sarawak, Haviland 545. Endemic. 



6. Plethiandra sahebii Burkill in Journ. Str. Branch Roy. 

 As. Soc. 77 (1917) 265. 



Sarawak, in cultivation in the Botanic Garden at Singapore, 

 Burkilll Endemic. 



7. Plethiandra sessilis Stapf in Hook. Ic. IV 5 (1895) sub. 

 t. 2418. 



Sarawak, Haviland. Endemic; the genus is confined to Borneo 

 with the exception of Plethiandra sessiliflora (Cogn.) (Medinil- 

 lopsis sessiliflo'-a Cogn.) which occurs in Singapore. 



1. Boerlagea grandifolia Cogn. in Boerl. Handl. Fl. Nederl. 

 Ind. 1 (1890) 523, 536, DC. Monog. Phan. 7 (1891) 611. 

 Sarawak, Beccari 3626. A monotypic endemic genus. 



1. Pachycentria elliptica Blume Mus. Lugd.-Bat. 1 (1849) 

 23; Naud. in Ann. Sci. Nat. Ill 15 (1851) 301; Walp. Ann. 3 

 (1852-53) 879; Miq. FI. Ind. Bat. 1|1 (1855) 551; Triana in 

 Trans. Linn. Soc. 28 (1871) 89; Cogn. in DC. Monog. Phan. 7 

 (1891) 607; Winkler in Engl. Bot. Jahrb. 48 (1912) 109. 



Dutch Borneo, fide Blame I.e.; Winkler 3076; Sarawak, 

 Foxworthy 1841 



Var. subcordata Blume I.e.; Cogn. I.e. 

 Dutch Borneo, fide Blame I.e.; Sarawak, Beccari 297. Endemic. 



2. Pachycentria glauca Triana in Trans. Linn. Soc. 28 

 (1871) 89; Cogn. in DC. Monog. Phan. 7 (1891) 609. 



Sarawak, Lobb, Beccari 415. Endemic. 



3. Pachycentria junghuhniana Miq. FI. Ind. Bat. 1 (1855) 

 552; Cogn. in DC. Monog. Phan. 7 (1891) 607. 



Sarawak, Beccari 678. Java. 



4. Pachycentria macrorhiza Becc. Malesia 2 (1886) 237, 

 t. 56, f. 1-2, t. 57, f. 1-4; Cogn. in DC. Monog. Phan. 7 (1891) 607. 



Sarawak, Beccari 157. 



Var. acuminata Becc. I.e.; Cogn. I.e.; Winkler in Engl. Bot. 

 Jahrb. 48 (1912) 109. 



Sarawak, Beccari 678; Dutch Borneo, Winkler 3327, 2287. 



Var. ovalifolia Becc. I.e.; Cogn. I.e. 

 Sarawak, Beccari 408, 2063. Endemic. 



5. Pachycentria microsperma Becc. Malesia 2 (1886) 238, 

 t. 58, f. 1-5; Cogn. in DC. Monog. Phan. 7 (1891) 609; Winkler 

 in Engl. Bot. Jahrb. 48 (1912) 109. 



