I 7 2 



which is not used for firewood. The Rhizophoreae grow fairly fast 

 and there is no difficulty in leasing the swamps to wood-cutters 

 so that they may not entirely destroy the useful wood and leave 

 the swamps useless forever. By leasing in blocks for definite 

 periods, closing them for one or two or even more years after each 

 period, a mangrove swamp should give a definite annual return 

 forever. 



Rhizophora conjugata, L. Akit. 



A fairly large tree with large dark green leaves and yellow 

 flowers. 



Wood heavy reddish brown with fairly distinct rings numerous 

 medium sized pores, and conspicuous rays. Rather a well-figured 

 wood, good for piles and such like work. It can be obtained of 

 large size as much as 30 feet by 1 1 inches through, and is very 

 durable. 



This is the timber experimented on by Newton under the name 

 of " Bucco ". Weight 70 lbs. (Gamble), S. 63 lbs. 8 ozs. to 65 lbs. 

 8 ozs. 



R. mucronata, Sam. B'lukup. 



Is very similar but rather lighter in colour. 



Bruguiera gymnorhiza, Lam. Tumu. 



Is also one of the bigger mangroves and attains as large a size 

 as does Akit. The wood is fairly heavy light reddish brown close 

 grained, with less numerous pores, very obscure rings, and irregu- 

 lar rays. A very hard wood. Weight 54 lbs. 13 ozs. to 56 lbs. 

 4 ozs. Used for posts, planks and furniture in India. It is good 

 for piles and posts in wet places. 



B. caryophylloides , Bl. Bosung. 



Is a smaller tree, with fairly heavy wood of a light reddish fawn 

 colour, with very obscure rings, numerous pores and very close 

 rays. It is a very fairly good wood but as a rule is too small for 

 piles. Weight 48 lbs. 11 ozs., 50 lbs. 7 ozs., 76 lbs. 



B. parviflora, W. & A. Lenggadi. 

 Is very similar as regards the wood, but lighter in colour with 

 more conspicuous rays. It is also a smaller tree. Weight 49 lbs. 

 to 49 lbs. 6 ozs. 



Ceriops Candolleana, Arn. Tengah. 



A medium sized tree with compact close grained fairly heavy 

 light reddish brown wood, with moderately numerous small pores 

 and close rays. Weight 63 lbs. 



Used for firewood, knees of boats, posts, etc. Bark for tanning 

 and dyeing. 



Legnotidce. 



A small group of trees usually classed under Rhizophorea?. 



Pellacalyx saccardianus, Scort. Kayu Johor. 

 A small tree about 30 or 40 feet tall straight and little branched, 

 common in open country. 



