206 



2. Piper anisotrichum C. DC. ex Winkler in Engl. Bot. 

 Jahrb. 49 (1913) 353. 



Dutch Borneo, Winkler 2780. Endemic. 



3. Piper arborescens Roxb. Hort. Beng. (1814) 80, Fl. Ind. 

 1 (1820) 161; C. DC. Prodr. 16|1 (1869) 358; Miq. Ann. Mus. 

 Bot. Lugd.-Bat. 1 (1863-64) 137; Boerl. Handl. Fl. Nederl. Ind. 

 3 (1900) 75. Piper miniatum Blume in Verb. Bat. Genoots. 11 

 (1826) 166; C. DC. Prodr. 16|1 (1869) 354; Boerl. Handl. Fl. 

 Nederl. Ind. 3 (1900) 74. Chavica miniata Miq. Syst. Pip. (1843) 

 234, Ann. Mus. Bot. Lugd.-Bat. 1 (1863-64) 136. 



Labuan, Motley, Dutch Borneo, Korthals \ Sarawak, Foxworthy 

 4791, Native collector 283 ! Bur. Sci. Malay Peninsula to the 

 Philippines and the Moluccas. 



4. Piper arcuatum Blume in Verb. Bat. Genoots. 11 (1826) 

 180, t. //; Miq. Ann. Mus. Bot. Lugd.-Bat. 1 (1863-64) 137; 

 Boerl. Handl. Fl. Nederl. Ind. 3 (1900) 75; C. DC. Prodr. 16|1 

 (1869) 360. 



Dutch Borneo, Korthals. Ceylon to southern China and 

 Malaya. 



5. Piper argyroneurum Hallier f. in Ann. Jard. Bot. 

 Buitenz. 13 (1896) 297, t. 27, /. / a-b; Boerl. Handl. Fl. NederL 

 Ind. 3 (1900) 75. 



Dutch Borneo, Hallier. Endemic. 



6. Piper baccatum Blume in Verb. Bat. Genoots. 11 (1826) 

 172, t. 3. f. 0; C. DC. Prodr. 16|l (1869) 241; Boerl. Handl. Fl. 

 Nederl. Ind. 3 (1900) 72; C. DC. ex Winkler in Engl. Bot. Jahrb. 

 49 (1913) 356. Muldera baccata Miq. Syst. Pip. (1843) 341, Ann. 

 Mus. Bot. Lugd.-Bat. 1 (1863-64) 137. 



Dutch Borneo, Korthals. Java, Philippines. 



7. Piper betle Linn. Sp. PI. (1753) 28; C. DC. Prodr. 16|1 

 (1869) 259; Becc. Nelle Foreste di Borneo (1902) 597. Chavica 

 betle Miq. Syst. Pip. (1843) 228, Ann. Mus. Bot. Lugd.-Bat. 1 

 (1863-64) 136. 



Dutch Borneo, Korthals; Sarawak, Beccari. 



Var. densum C. DC. Prodr. 16|1 (1869) 360. Chavica densa 

 Miq. Fl. Ind. Bat. 1|2 (1858-59) 443, Ann. Mus. Bot. Lugd.-Bat. 1 

 (1863-64) 136. 

 Dutch Borneo, Korthals. 



Var. siriboa (Linn.) C. DC. Prodr. 16|1 (1869) 359; Gibbs 

 in Journ. Linn. Soc. Bot. 42 (1914) 127. 



British North Borneo, Gibbs 2847. Cultivated throughout the 

 Indo-Malayan region. 



