VoL x PALMAE 163 



Luzon (Laguna, Tayabas, Sorsogon), Biliran, Merrill 4010, Elmer 15223, 

 Baker 3704, B. S. 18490, 22876 McGregor, 13213 Ramos, F. B. 10148, 10396 

 Curran, 26801 Mabesa. In forests at low altitudes. Endemic. 



Local name: Anibong (Tag.). 



ONCOSPERMA HORRIDUM (Griff.) Scheff. in Nat. Tijdschr. Nederl. Ind. 

 32 (1871) 189; Becc. in Philip. Journ. Sci. 4 (1909) Bot. 610, 6 

 (1911) Bot. 230, 14 (1919) 330, Lean. Philip. Bot. 8 (1919) 3017. 

 Areca horrida Griff, in Calcutta Journ. Nat. Hist. 5 (1845) 465. 

 Polillo, Mindanao (Agusan, Zamboanga, Davao), Elmer 11876, 13886, 

 Copeland 1626, B. S. 9277 Robinson. In forests at low and medium alti- 

 tudes, ascending to 800 m. Malay Peninsula and Archipelago. 



Local names: Anibong (Tag., Mbo.) ; tanaian (Bag.). 

 ONCOSPERMA PLATYPHYLLUM Becc. in Philip. Journ. Sci. 4 (1909) 

 Bot. 609, 14 (1919) 330. 

 Negros, Whitford 1670, F. B. 17347 Curran. In forests at low and me- 

 dium altitudes. Endemic. 



Local name: Anibong (P. Bis.). 



ONCOSPERMA TIGILLARIA (Jack) Ridl. in Journ. Str. Branch Roy. As. 

 Soc. 33 (1900) 173. 

 Areca tigillaria Jack Malay Miscel. 2 ' (1820) 88. 

 Oncosperma filamentosa Blume Rumphia 2 (1836) 97, t. 82, 103; Becc. 

 in Philip. Journ. Sci. 4 (1909) Bot. 610, 14 (1919) 330, Leafl. Philip 

 Bot. 8 (1919) 3016. 

 Areca nibung Mart. Hist. Nat. Palm. 3 (1838) 173, t. 153; Naves 

 Novis. App. (1882) 279. 

 Palawan, Elmer 12662, F. B. 3790 Curran. In somewhat swampy places 

 immediately back of the mangrove more or less subject to the influence of 

 brackish water. Malay Peninsula and Archipelago. 

 Local name: Anibong (Bis., Tagb.). 



17. ACTINORHYTIS Wendland and Drude 



ACT1NORHYTIS CALAPPARIA (Blume) Wendl. & Drude in Linnaea 

 39 (1875) 184; Becc. in Lean. Philip. Bot. 8 (1919) 3010, Philip. 

 Journ. Sci. 14 (1919) 324. 

 Areca calapparia Blume Rumphia 2 (1836) 70, in nota, t. 100, f. 2. 

 Seaforthia calapparia Mart. Hist. Nat. Palm. 3 (1849) 313. 

 Ptychosperma calapparia Miq. Fl. Ind. Bat. 3 (1855) 20; Naves 

 Novis. App. (1882) 377. 

 Mindanao (Davao) , Elmer 11238. Isolated trees in settled areas, altitude 

 about 500 m, undoubtedly introduced. Widely distributed in the Malay 

 Archipelago. 



Local name: Tangalo (Bag.). 



18. PTYCHORAPHIS Beccari 



PTYCHORAPHIS CAGAYANENSIS Becc. in Philip. Journ. Sci. 14 (1919) 

 326. 



Heterospathe cagayanensis Becc. op. cit. 4 (1909) Bot. 611. 

 Luzon (Cagayan), F. B. 12286 Klemme, 16757 Curran. In primary 

 forests at low altitudes. Endemic. 

 Local name: Dagumaka (Ibn.). 



