308 The Philippine Journal of Science me 



PORANIA Burmann 



PORANIA VOLUBILIS Burm. Fl. Ind. (1768) 51, t. 21, f. 1. 



Amboina, Rel. Robins. 1821, September 25, 1913, from specimens culti- 

 vated in the town of Amboina; probably an introduced plant here. 



Burma to the Philippines and Malaya. 



EVOLVULUS Linnaeus 



EVOLVULUS ALSINOIDES Linn. Sp. PI. ed. 2 (1762) 292. 



Amboina, Soja road, Rel. Robins. 1820, in open grassy places, altitude 

 150 to 300 meters. 



Tropics of both hemispheres. 



M ERR EM I A Dennstaedt 



MERREMIA VITI FOLIA (Burm.) Hallier f. in Engl. Bot. Jahrb. 16 

 (1893) 552. 

 Convolvulus vitifolius Burm. Fl. Ind. (1768) 45, t. 18, f. 1. 

 Amboina, Kati-kati, Rel. Robins. 1826, October 19, 1913, in thickets at 

 an altitude of about 70 meters. 



Southeastern Asia to the Philippines and Malaya. 



MERREMIA HASTATA (Desr.) Hallier f. in Engl. Bot. Jahrb. 16 (1893) 

 552. 

 Convolvulus hastatus Desr. in Lam. Encycl. 3 (1791) 547. 

 Amboina, Batoe gadjah, Rel. Robins. 182U, August 5, 1913, in grassy 

 places at an altitude of 150 meters. 



Tropical Africa and Asia through Malaya to tropical Australia. 



IPOMOEA Linnaeus 



IPOMOEA PANICULATUS (Linn.) R. Br. Prodr. (1810) 486. 

 Convolvulus paniculatus Linn. Sp. PI. (1753) 156. 

 Ipomoea digitata Linn. Syst. ed. 10 (1759) 924. 

 Amboina, Paso, Rel. Robins. 1823, November 25, 1913, in thickets along 

 roadsides near sea level. 



Tropics of both hemispheres. 



IPOMOEA TRILOBA Linn. Sp. PI. (1753) 161. 



Amboina, near the town of Amboina along the beach, Rel. Robins. 1825, 

 August 22, 1913. 



A native of tropical America, introduced into the Philippines at an early 

 date from Mexico and now found throughout the Archipelago; also in the 

 Marianne Islands, Java, Mauritius, Singapore, and perhaps in various other 

 parts of Malaya. 



IPOMOEA OBSCURA (Linn.) Ker. in Bot. Reg. t. 2S9. 



Convolvuhis obscurus Linn. Sp. PI. ed. 2 (1762) 220. 

 Boeton, Baoe baoe, Rel. Robins. 21*18, July 13, 1913. 

 India to Malaya, the Mascarene Islands and tropical East Africa. 



IPOMOEA sp. 



Boeton, Baoe baoe, along the beach, Rel. Robins. 2U77, July 13, 1913. 



