SILKBARK— SISSOO 273 



Arbre a coton." Oerm. '' BaumwoUenbaum." Cuba " Ceiba." 

 West African " Benten." Height 150 ft. or more. S.G. 287- 

 Straight growing, white, light, soft. Used for canoes, boats, rafts, 

 floats, toys, and packing-cases. 



Silkbark (Geldstrus acumiTidtus L. : Order Celastrdcece), Cape 

 Colony. " Zybast." Height 20 ft. ; diam. 1 ft. W 63. Prettily 

 shaded, heavy, hard, even- and close-grained, taking a good polish. 

 Used in turnery and furniture, and recommended for umbrella- 

 handles. 



Silverballi, Brown, Siruaballi, or Cirouaballi. See Cedar, Black. 



Silver-top. See Gum, Cabbage. 



Silver-tree {Tarrietia argyrodindron Benth. : Order StercuUdcem) , 

 North-East AustraHa. Known also as " Ironwood, Stonewood, 

 Black Stavewood, Crow's-foot Elm." Ahorig. " Boyung." Height 

 70 — 90 ft. ; diam. 2 — 3 ft. White, hard, close-grained, tough, 

 firm, a substitute for Beech. Extensively used for staves, and 

 suitable for piles. 



Simarouba {Simaruba amdra Aubl. = 8. officindlis DC. : Order 

 JSimarubdcece). Northern Brazil, Guiana, and the West Indies. 

 '' Maruba." " Acajou blanc " of Guadeloupe. A lofty tree, yield- 

 ing logs 13 or 14 ft. long, squaring 14 to 16 in. W 23 — 30. E 473 

 tons. / 3*36. fc 1-78. fs -224. Closely similar to Quassia, white, 

 bitter, resembling Pine in quality, moderately hard, splitting in 

 seasoning, easily worked, insect-proof. Used for constructive work 

 in Brazil. 



Siris, Pink {Albizzia Julibrissin Durazz. : Order Leguminosce). 

 Tropical and sub-tropical Africa and Asia from Afghanistan to 

 China and Japan. Known also as " Sirsa " or '* Sirissa." *' Cotton- 

 varay " of Coromandel. Moderate-sized tree. Bark-brown to 

 almost black, mottled, very heavy and hard, capable of a good 

 polish. Valued for furniture, and for house- and boat-building. 



Sissoo {Dalbergia Sissoo Roxb. : Order Leguminosce), Northern 

 India. A large tree, 15 ft. to its lowest branch, 1^ ft. in diam., 

 yielding logs 10 — 15 ft. long. Bark red-brown to light-brown, 

 being at least as variable in colour as Mahogany, with dark longi- 

 tudinal veins, very heavy, hard, close and even in grain, strong, 

 elastic, seasoning well without warping or splitting, durable. One 

 of the most valuable of Indian timbers, rapid in growth, sometimes 

 almost as beautiful as Rosewood. Unrivalled for the naves and 

 felloes of wheels, frames of carriages, boat-building, agricultural 

 implements, and furniture. Once extensively used for the wheels 

 of gun-carriages ; but not now plentiful. The sapwood rots so 

 quickly that it invariably powders away from the log before it 



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