337 413 
Apocynaceae. 
Rauwolfia Linné (det. Craib). 
1. R. sumatrana Jack; var. vel sp. valde affinis. 
Koh Kahdat (no. 572 b). 
Area of BR. swmatrana: Sumatra. 
Cerbera Linné. 
2. €. Odollam Gaertn.; Hook. Fl. Br. Ind. III. 638; Craib, Contr. 
Fl. Siam 130. 
In the jungles of the littoral zone, Lem Dan (no. 85) and N. end of 
Koh Chang (no. 629 a) (det. Stapf); on rocks at the sea (no. 353) 
(det. Craib). 
Area: S.E. Asia, Australia. 
Alstonia R. Br. (det. O. Warburg). 
3. A. seholaris (L.) R. Br.; Hook. Fl. Br. Ind. Ill. 642. 
Plains at Lem Dan (no. 290). 
Area: Tropical Asia, Australia, Africa. 
Ervatamia Stapf (det. O. Stapf). 
4. KE. graciliflora (Wall.) Stapf; Tabernaemontana graciliflora Wall.; 
Hook. Fl. Br. Ind. HI. 647. (Determination doubtful). 
Jungle at Klong Son (no. 675 b). 
5. E. malaccensis (Hook. f.) Stapf; Tabernaemontana malaccensis. 
Hook. Fl. Br. Ind. Ill. 649, vel species affinis. 
Plains at Klong Prao (no. 717 e); jungle at Klong Munsé (no. 811 a); 
Koh Kahdat, jungle (no. 579 a). 
Area: Malacca. 
Parsonsia R. Br. (det. O. Stapf). 
6. P. spiralis Wall.; Hook. Fl. Br. Ind. III. 650. 
River-bank at Klong Prao (no. 713). 
Area: Tropical Asia. 
Aganosma Don (det. Craib). 
7. A. marginata Don; Hook. Fl. Br. Ind. Ill. 663. Craib, Contr. 
Fl. Siam 131. forma aff. A. macrocarpae Wall. Cat. 
Klung (no. 375); Plains at Lem Dan (no. 719 b). 
Area: S.E, Asia. 
Strophanthus D.C. (det. O. Stapf). 
8. §. Wallichii D. C.; Hook. Fl. Br. Ind. III. 655. 
Jungle at Klong Son (no. 639). 
Area: Assam, Burma. 
