Vol. 2 LEGUMINOSAE 301 
Luzon (Cagayan, Ilocos Norte, Benguet, Rizal, Laguna, Bataan, Tayabas, 
Camarines), Cuming 1162, Loher 5927, Elmer 6177, Merrill 1969, 5045, 
Williams 714, F. B. 24111 Velasco, 26463 Catalan. In‘ thickets and forests 
at low and medium altitudes, ascending to 1,400 m. Endemic. 
Local name: Upi (Ig.). 
DERRIS POLYANTHA Perk. Frag. Fl. Philip. (1904) 833 Merr. in Philip. 
Journ. Sci. 5 (1910) Bot. 103. 
Luzon (Pampanga, Pangasinan, Laguna, Rizal, Batangas), Merrill 1457, 
1366, 1692, 10599, B. S. 2188 Ramos, F. B. 430, 2653 Ahern’s collector. In 
thickets and secondary forests at low altitudes. Endemic. 
Local names: Timalang (Tag.); tugli (Tag.); tuglon (Tag.); tuglun 
(Lap). 
DERRIS SCANDENS (Roxb.) Benth. in Journ. Linn. Soc. Bot. 4 (1860) 
Suppl. 103; F.-Vill. Novis. App. (1880) 68; Vidal Sinopsis Atlas 
(1888) 238, t. 44, f. ., Phan. Cuming. Philip. (1885) 109, Rev. PI. 
Vasc. Filip. (1886) 112; Perk. Frag. Fl. Philip. (1904) 84; Merr. 
in Govt. Lab. Publ. (Philip.) 27 (1905) 40, Philip. Journ. Sci. 5 
(1910) Bot. 104, Fl. Manila (1912) 248, Sp. Blancoanae (1918) 186. 
Dalbergia scandens Roxb. Pl. Coromandel 2 (1798) ¢. 192. 
Galedupa frutescens Blanco Fl. Filip. (1837) 562, ed. 2 (1845) 391, 
ed. 3, 2 (1879) 354, ¢. 232. 
Deguelia timoriensis Taub. in Engl. & Prantl] Nat. Pflanzenfam. 3° 
(1891) 345. 
Northern Luzon to Palawan and Mindanao. In thickets and secondary 
forests at low and medium altitudes. India to southern China through 
Malaya to tropical Australia. 
Local names: Lapak (Bik.) ; malasaga (Tag.). 
DERRIS THYRSIFLORA Benth. in Journ. Linn. Soc. Bot. 4 (1860) Suppl. 
249; Merr. in Philip. Journ. Sci. 5 (1910) Bot. 103. 
Millettia thyrsiflora Benth. in Mig. Pl. Jungh. (1852) 249. 
Negros, Basilan, Hallier, F. B. 23086 Pascual. In thickets at low 
altitudes. Nicobar Islands, Malay Peninsula, Sumatra, Java. 
DERRIS TRIFOLIATA Lour. Fl. Cochinch. (1790) 433; Merr. in Philip. 
Journ. Sci. 5 (1910) Bot. 105, 15 (1919) 241, Fl. Manila (1912) 
248, Sp. Blancoanae (1918) 185. 
Robinia uliginosa Roxb. ex Willd. Sp. Pl. 3 (1800) 433. 
Dalbergia heterophylla Willd. op. cit. 901. 
Galedupa uliginosa Roxb. Hort. Beng. (1814) 53, Fl. Ind. ed. 2 
(1882) 248. 
Pongamia uliginosa DC. Prodr. 2 (1825) 416. 
Pterocarpus frutescens Blanco FI. Filip. (1837) 562, ed. 2 (1845) 392, 
ed. 8, 2 (1879) 356, non Vell. 
Derris uliginosa Benth. in Miq. Pl. Jungh. (1852) 252, Journ. Linn. 
Soc. Bot. 4 (1860) Suppl. 107; F.-Vill. Novis. App. (1880) 68; 
Vidal Phan. Cuming. Philip. (1885) 109, Rev. Pl. Vasc. Filip. (1886) 
112; A. Gray Bot. Wilkes U. S. Explor. Exped. (1854) 457; Merr. 
in Philip. Journ. Sci. 3 (1908) Bot. 410. 
