206 WOODS OF COMMERCE. 



aromatic, resinous, hard. Used for building and furniture, and 

 exported. In Cuba the name is applied to Brya Ebenus. [See 

 Ebony, Green.] 



Grape, Sea-Side (Coccoldba uvifera Jacq. : Order Polygondcew). 

 Jamaica. W 65'34. E 637 tons. / 4-13. fc 2-52. fs '428. 



Greenheart (Nectdndra Rodicei Schomb. : Order Laurdcece). 

 North-eastern South America and the West Indies. Aborig. 

 "Bibiru," " Sipiri." A large tree, yielding timber 24 70 ft. 

 long and 12 ft. square. S.G. 10791210. W 5876-5. E 

 1286 tons, e' -97. p' 1-65. / 8-97. c 8820. c' 1-165. fc 5-17. v 2-0. 

 fs '435. Dark-greenish or chestnut, often nearly black in the 

 centre, fine, even, and straight-grained, the rings indistinguishable, 

 very heavy, hard, tough, strong, elastic, and durable, the heart- 

 wood being teredo-proof, though the similar sapwood is not so. 

 This very valuable timber is liable to heart-shake. It is largely 

 used for piles, bridge-building and the keelsons, beams and planks 

 in ships, being classed in the second line in Lloyd's Register. 



Grignon (Biicida angustifulia DC. : Order Combretdcece). 

 Guiana. Known in Surinam as " Wane." S.G. 714. Very 

 large, straight-growing, pale red, rather less hard than Oak, even 

 and straight in grain. Used for masts and for furniture. 



Grignon fou (Qudlea cceridea Aubl. : Order Vochysidceoe). 

 Guiana. Known also as u Couaie." S.G. 800. Large, reddish, 

 soft, straight-grained, very common, but of inferior quality to the 

 preceding. Used for masts. 



Gru-gru (Astrocdryum sp. and Acrocdmia sclerocdrpa Mart. : 

 Order Palmdcece). Trinidad. Height 2030 ft. ; diam. 1 ft. 

 The outer part of the stem of these palms is hard, heavy, sus- 

 ceptible of a fine polish and durable. Used for walking sticks. 



Guarabu (Termindlia acumindta Allem. : Order Combretdcece, 

 or Peltogynt macroUUum Allem., or P. confertiflvm Benth. : Order 

 Leguminusce). Brazil. " Pao roxo." A large tree, yielding- 

 straight, dark-purple, fine-grained wood, with numerous pores 

 filled with a hard white substance. Used in shipbuilding. 



Guijo. See Sal. 



Gum, a name referring mainly to the many and valuable 



