160 



RUTACE^. 

 17. CLAUSENA EXCAVATA, Burn. 

 Koh Samni. Distrib.—The Eastern Tropics. 



18. GLTCOSMIS RUPESTRIS, Ridley. 

 Koh Samui. Distrih. — Kedali. 



OLACINE^. 

 19. OLAX IMBRICATA, RoxB. 



S.W. Koh Peniian. Distrib. — Burma, Mala_ya. 



CELASTRINE^. 

 20. HIPPOCRATEA FERRUGINEA, Kikg. 

 Koli Samui. No. 5735. A cliraber, flowers greenish-brown. 

 A very imperfectly known plant, only previously collected in 

 Penang. The disc of the flower is very thick and lobed : King- 

 describes the anthers as one-celled with transverse dehiscence ; 

 in these specimens they dehisce into four loculi. The pistil is 

 pubescent. 



21. SALACIA FLAVESCENS, KUKZ. 



Hills of Koh Samui. No. 5738. 

 Common in the Malay Peninsula. 



RHAMNE^. 



22. COLUBRINA ASIATICA, Brngn. 



Koh Samui. No. 5707. Common on sea shores. Distrib. — 

 Indo-Malaya. 



LEGUMINOS^. 



23. CROTALARIA SALTIANA, Andr. 



Koh Samui. No. 5711. Distrib. — Indo-Malaya. 



24. DESMODIUM UMBELLATUM, Dc. 



Koh Penan. No. 5766. Distrih. — Indo-Malaya. 



MYRTACEyE. 

 25. RHODOMYRTUS TOMEISTTOSA, Wight. 

 Koh Samui. No. 5708. 



2(5. RHODAMXIA TRINERVIA var SPECTABILIS, Blume . 



Koh Pennan. No. 5775. 



A form with few flowers on pedicels 1.5 cm. long. Calyx 3 mm. 

 and petals 4 mm. long. Most resembling a Tenasserim form. 



27. EUGENIA SIAMENSIS, Ceaib. 



Hills of Koh Samui. Flowers deep rose pink, anthers yellow. 

 Undoubtedly Craib's Siamese plant but very like a thin narrow-leaved 

 form of E. macrocarpa, Roxburgh. 



28. EUGENIA SUAVIS, sp. nov. 



A big ti"ee, 75 feet tall, the bark of the branches light brown. 

 Leaves coriaceous, lanceolate acute, bases cuneate, drying pale grey, 



