324i D. Prain — The Vegetation of the Ooco Group, [No. 4, 



iNCOMPLETiE. 



NYCTAGINE^. 



195. BOERHAAVIA EEPENS Linn. 



In all the islands, common on every rocky promontory and on all 

 the isolated rocks on the reefs not covered by the tides. 

 Cosmopolitan in the tropics. 



196. PiSONIA ACULBATA Linn. 



In all the islands, one of the commonest climbers in the beach-forests. 

 Cosmopolitan in the tropics. 



197. PisoNiA EXCELSA Blume. 



In all the islands, common in the beacb-forests. 

 Andamans, Malaya. 



AMAEANTACE^. 



198. Oelosia cristata Linn. 



Table Island, an escape in tbe light-house clearing. 

 Cosmopolitan in the tropics. 



199. ACHYRANTHES ASPERA Linn. Var. TYPICA. 



Table Island and Grreat Coco, common in the clearings, introduced. 



Cosmopolitan in the tropics. 

 var. PORPHTRiSTACHTA Hook. f. 



Little Coco, very abundant in the beach-forests ; stems 10-15 feet 

 long, climbing over the sea-face jungle. A plant in habit remarkably 

 unlike the preceding. 



South-Eastern Asia. 



200. GOMPHEENA GLOBOSA, Linn. 



Table Island, an escape, but very plentiful and extending into the 

 jungle. 



Cosmopolitan in the tropics ; probably originally American. 



POLYGONACE^. 



201. Polygonum barbatum Linn. 



Great Coco ; this plant fringes the small lake at the north-east cor- 

 ner of the island, growing partly in and partly out of the water, just 

 within it is a floating belt of Fanictim Myurtis, while outside is a ring 

 of Hygrophila quadrivalvis. None occurs in the lake on Little Coco, 



Africa ; India, Ceylon ; Burma, Malaya. 



ARISTOLOCHIACE^. 



202. Bragantia tomentosa Blume. 



Little Coco ; abundant on the interior ridges. 

 Tenasserim, Andamans j Java. 



