502 



Borneo, fide King & Gamble I.e.; Sarawak, Hose 131] India, 

 through .Malaya to the Philippines and Celebes. 



1. Nerium indicum Mill. Card. Diet. ed. 8 (1768) No. 2. 

 Nerium odoruni Soland. in Ait. Hort. Kew 1 (1789) 297. 



British North Borneo, Villamil 120\ Pantropie in eultivation. 



1. Strophanthus singaporianus (Wall.) Gilg in Engl. 

 Monog. 11 (1903) ex King & Gamble in Journ. As. Soe. Beng, 

 74|2 (1907) 471. Strophanthus brevicaudatus Wight le. (1850) 

 t. 1302. 



Sarawak, Beccari 797, Haviland 1770, Motley. Malay 

 Peninsula. 



The Afriean 5. gratus Baill. is eultivated in Sandakan for 

 ornamental purposes, Foxworthy 609 \, Clemens 95001 



1. Parsonsia cumingiana A. DC. Prodr. 8 (1844) 402, 

 Sarawak, Foxworthy 2701 Philippines; possibly not speeifically 



distinct from the next speeies. 



2. Parsonsia spiralis Wall. Cat. (1829) No. 1631; Winkler 

 in Engl. Bot. Jahrb. 49 (1913) 375; Gibbs in Journ. Linn. Soc. 

 Bot. 42 (1914) 110. Heligme korthalsiana Miq. Fl. Ind. Bat. 

 Suppl. (1860-62) 429. 



Sarawak, Haviland & Hose 1813; Dutch Borneo, Winkler 2628; 

 British North Borneo, Gibbs 2896. India to New Guinea. 



1. Vallaris glabra (Linn.) O. Kuntze Rev. Gen. PI. (1891) 

 417. Pergularia glabra Linn. Mant. 1 (1767) 53. Vallaris 

 pergulana Burm. f. Fl. Ind. (1768) 51. 



Borneo, cult. Hort. Bogor. X. C. 881 India to Malaya. 



2. Vallaris sp. aff. maingayi Hook, f.; King & Gamble in 

 Journ. As. Soe. Beng. 74|2 (1907) 461. 



Sarawak, Haviland 3050. Vallaris maingayi Hook. f. occurs 

 in the Malay Peninsula. 



Asclepiadaceae. 



1. Gymnanthera ritida R. Br. Prodr. (1810) 464; Hemsl. 

 in Hook. Ic. Ill 6 (1886) t. 1545. 



British North Borneo, Fraser. Australia. 



1, Astrostemma spartioides Benth. in Hook. Ic. Ill 4 (1880) 

 17, t. 1311. Absolmsia spartioides O. Kuntze Rev. Gen. PI. (1891) 

 417. 



Dutch Borneo, Motley; British North Borneo, Burbidge. A 

 monotypic endemic genus. 



