320 D- Prain — The Vegetation of the Ooco Qroup. [ISTo. 4, 



158. TOUENEFOETIA ARQENTEA LiuB. f. 



Great Coco, very rare; Little Coco, extremely common on tlie 

 western coast and in the beach-forests, where it often reaches a height of 

 35__40 feet with a trunk of sometimes a foot diameter. 



Ceylon ; Malaya, Andamans, Nicobars ; Australia ; Mauritius. 



CONVOLVULACE^. 



159. Ektcibe paniculata Roxb. 



Great Coco, very common in interior. 



India, Burma, Tenasserim; Malaya; Andamans, Nicobars ; Aus- 

 tralia. 



160. AkGTREIA TILIiEFOLlA "Wight. 



Great Coco ; common on the coasts. 



India ; Andamans, Malaya ; Philippines ; near the sea. 



161. Argtreia Hookbri Clarke. 

 In all the islands, common. 

 Sikkim, Bhutan, Assam, Martaban. 



162. Argtreia lanceolata Choisy. 

 Great Coco : exactly=TFaZi. Gat. 1395. 

 Tenasserim, Andamans. 



163. Lettsomia peguensis Clarke. 

 Little Coco. 



Pegu, Tenasserim, Andamans. 



164. Ipom^a grandiflora Lamk. 



In all the islands, very abundant on the coasts. 

 East Africa ; India, Burma, Malaya, Andamans ; Australia, Poly- 

 nesia ; introduced in America. 



165. Ipomj:a coccinea Linn. 



Table Island, rampant in the jungle near the lighthouse clearing ; 

 escape from the light-keeper's garden. 



Native of America ; cult., and a frequent escape, in tropical Asia. 



166. IPOMiEA Batatas Lamk. 



Table Island, cultivated in the lighthouse garden. 

 Native of America ; cult., in the tropics generally. 



167. Ipom^a digitata Linn. 



Great Coco, on the west coast, occasional. 

 Cosmopolitan in the tropics. 



168. Ipomjja denticulata Choisy. 



Great Coco, very plentiful at north end of island, but almost al- 

 too-ether restricted to the coral-shiugle ; at south end of island and on 

 Little Coco, exceedingly uncommon. 



