1890.] D. Prain — The non-indigenous species of the Andaman Flora. 247 



Mr. Kurz found occurring spontaneously in 1866, was only seen culti- 

 vated in 1889 and 1890. 



B. Weeds or unintentionally introduced species. 

 III. Species unintentionally introduced prior to 1866. 



Name of Species. 



Cleome viscosa Linn. 



Saponaria Vaccaria 



Linn. 

 Portulaca oleracea 



Linn. 



Portulaca quadrifida 

 Linn. 

 5 Sidaoarpinifola Linu. 



Oxalis corniculata 

 Linn. 



Cardiosperrmvm Hali- 

 cacabum Linn. 



Desmodium triflorum 

 DG. 



Cassia alata Linn. 



10 Mimosa pudica Linn. 



Bryophyllum calyci- 

 nuni Salisb. 



Ludwigia 

 Boxb. 



prostrata 



Mukia scabrella Am. 

 Dentella repens Forst. 



Remarks. 



Condition in 1866 (Kurz). 



' Cultivated lands, Boss 

 Island, introduced and 

 rare.' 



' Cultivated lands near Aber 

 deen, introduced and rare.' 



' Cleared lands around Aber 

 deen, Haddo, on Ross 

 Island, etc., introduced.' 



' Cleared lands around Port 

 Blair, introduced.' 



' Cleared lands, Aberdeen, 

 Ross Island, etc., intro- 

 duced.' 



' Cultivated lands around 

 Port Blair, introduced 

 and rare. 



' Cleared lands around Aber- 

 deen, common but intro- 

 duced.' 



' Common in cleared lands 

 around Port Blair, intro- 

 duced.' 



' Hopetown, as wild, but 

 evidently introduced.' 



' Cleared lands around Aber 

 deen and Phoenix Bay, 

 rare, introduced.' 



' On Ross Island, in culti- 

 vated lands, rare, and 

 evidently introduced.' 



' From Aberdeen to Haddo 

 on wet places, appears to 

 be introduced with rice.' 

 The L. parviflora of Mr. 

 Kurz's list. Both sp. are 

 now common but Mr. Kurz 

 only gathered this one. 



' Aberdeen, cultivated lands, 

 rare, introduced.' 



' Cultivated lands on Boss 

 Island, around Aberdeen, 

 etc., introduced. 



Condition in 1889-90, 



Still rare. 



Not seen in 1889 or 1890. 



Observed at Rangachang 

 also, which is almost the 

 extreme limit of the Set- 

 tlement. 



Much more unusual than 

 the preceding. 



Very common all over the 

 Settlement. 



Still exceedingly uncom- 

 mon ; not seen on Ross 

 Island. 



Very common on the drier 

 grassy slopes all over the 

 Settlement. 



Very common near Hope- 

 town, not seen elsewhere. 



Very common throughout 

 the whole extent of the 

 Settlement. 



Not seen in 1889 or 1890. 



Common in the rice fields 

 reclaimed from mangrove 

 swamps all over the Settle- 

 ment. 



Not uncommon about the 

 Settlement. 



