118 



Dioscoreaceae. 



1. Dioscorea bulbifera Linn. Sp. PI. (1753) 1035. 

 British North Borneo, Clemens 98181 India to Polynesia; 



introduced into tropical America and Africa. 



2. Dioscorea glabra Roxb. var. salicifolia (Blume) Prain 

 and Burkill in Journ. As. Soc. Beng. II 10 (1914) 37. Dioscorea 

 glaberrima Ridl. ex Winkler in Engl. Bot. Jahrb. 44 (1910) 528. 



Sarawak, Native collector 24671 Bur. ScL; Dutch Borneo, 

 Winkler 2645. Java. 



3. Dioscorea havilandii Prain and Burkill in Journ. As, 

 Soc. Beng. II 10 (1914) 39. 



Sarawak, Haviland 1816, Native collector 3/0!, 386 \, 453\, 

 842\ Bur. Sci. Billiton, Banca. 



4. Dioscorea hispida Dennst. Schluss. Hort. Malabar. 

 (1818) 33. Dioscorea daemona Roxb.; Winkler in Engl. Bot. 

 Jahrb. 44 (1910) 528. Dioscorea triphylla Prain and Burkill in 

 Journ. As. Soc. Beng. II 10 (1914) 25, non Linn. 



Dutch Borneo, Winkler 3098. India to Malaya. 



5. Dioscorea myriantha Kunth Enum. 5 (1850) 382. 



British North Borneo, Clemensl; Sarawak, Native collector 

 12781 Bur. Sci. Philippines, Celebes, Moluccas, Java. 



6. Dioscorea nummularia Lam. Encycl. 3 (1789) 231. 

 British North Borneo, Clemens 101561 Philippines through 



the Moluccas to Prince of Wales Island. 



7. Dioscorea orbiculata Hook. f. Fl. Brit. Ind. 6 (1892) 292; 

 Prain and Burkill in Journ. As. Soc. Beng II 10 (1914) 31; 

 Winkler in Engl. Bot. Jahrb. 44 (1910) 528. 



Dutch Borneo, Winkler 3344. Malay Peninsula, Sumatra. 



8. Dioscorea pentaphylla Linn. Sp. PI. (1753) 1032 var. 

 malaica Prain and Burkill in Journ. As. Soc. Beng II 10 (1914) 

 23. 



British North Borneo, Clemens 100261 India to Malaya, 

 exceedingly variable. 



9. Dioscorea pyrifolia Kunth Enum. 5 (1850) 384; Rendle 

 in Journ. Bot. 39 (1901) 177; Prain and Burkill in Journ. As. 

 Soc. Beng. 10 (1914) 33; Gibbs in Journ. Linn. Soc. Bot. 42 

 (1914) 165. 



Sarawak, Hose 80\; Native collector 309\, 406\, 824\, 10541, 

 Bur. Sci.; British North Borneo, Gibbs 4297. Cambodia, Malay 

 Peninsula, Sumatra, Java, Timor. 



