244 D. Prain — The non-indigenous species of the Andaman Flora. [No. 3 



II. Species cultivated or planted, or obviously introduced, seen in 1889 

 and 1890 not present in 1866. 



Names of Species. 



Bemaeks. 



Anona reticulata Linn. 



Cultivated. 



125 Garcinia Mangostana Linn. 



Cultivated and doing well. 



Camellia theifera Griff. 



Systematically cultivated as one of the indus- 





tries of the Settlement ; the tea produced is of 





excellent quality. 



Hibiscus esculentus Linn. 



Cultivated in gardens. 



H. Sabdariffa Linn. 



Cultivated by convicts. 



Durio Zibethinus DG. 



Cultivated. 



130 Swietenia Mahogani Linn. 



Planted. 



S. macrophylla King. 



Planted and thriving well, does much better 





than the true mahogany. 



*Nephelium Litchi Gamb. 



Cultivated but with poor results. 



Phaseolus trilobus Ait. 



Cultivated by convicts, but also very common in 





waste places as a weed. 



Baubinia acuminata, Linn. 



Cultivated, but also appearing spontaneously. 

 Planted. 



135 Poinciana regia Boj. 



Brownea, several varieties. 



Planted. 



Amherstia nobilis Wall. 



Planted and thrives very well, 



Tamarindus indica Linn. 



Planted. 



Saraca indica Linn. 



Planted. 



140 Pitbecolobium dulce Benth. 



Planted as a shade-tree and also trimmed as a 





hedge; many seedlings appearing sponta- 





neously. 



P. Saman Benth. 



Planted very generally ; does well on roadsides 





and on ground too indiscriminately cleared 





which few native species will.* 



* Tithecolobium Saman, the Eain-tree, a native of the West Indies, Central 

 America, Venezuela and Guiana, though yielding a timber useless except as firewood 

 is nevertheless a valuable tree. It is a fast-growing and easily-raised species and, if 

 planted along with more valuable kinds, forms an effective nurse for these during 

 the earlier years of their growth. It also yields a valuable crop of sweet pulpy pods 

 greedily eaten by cattle. It is said, moreover, to improve the quality of land encrust- 

 ed with reh inflorescence. The following girth measurements of 13 trees in the 

 Botanic Garden, Calcutta, will give some idea of the rate at which the species grows. 

 The measurements in every case are taken at 60 inches from the surface of the soil 

 — the trees measured were not selected (except No. 13 which was added as being the 

 largest in the whole line) but were contiguous trees in the road known as the 

 College avenue. The trees all date from 1876 ; the measurements were made in 

 January 1890. 



No. 





ft. 



m. 





ft. 



in. 



1. 



5 



5* 



No 8. 



5 



1 



2. 



6 



4 



„ 9. 



5 



4 



3. 



6 



4 



„ 10. 



6 



7 



4. 



5 



7 



„ 11. 



7 



3 



5. 



7 



5 



„ 12. 



5 



HI 

 3 



6. 



7 



6 



„ 13. 



8 



7. 



6 



lot 











average girth 



6 



5* 



