294 WOODS OF COMMERCE 



Waeapou [Andira Aubhtii Benth. : Order Leguminosce), Guiana. 

 '' Acapu, Backlieart.'' French '' 6pi de bl6." Dutch " Bruinhart." 

 In logs 14—21 ft. long, squaring 13—16 in. S,G. 1,113—900. 

 R 304 kilos. Dark-coloured, straight-grained, strong, easily worked , 

 very durable, and not liable to insect attack, one of the best of the 

 hard-woods of the country ; but subject to serious heart-shake. 

 Excellent for ship-building, railway-sleepers, or cabinet-work. 



Waibaima [Nectdndra sp. 1 : Order Laurdcece). British Guiana. 

 Apparently also known as '' CirouabalH." W 57. Abundant, 

 green, shading to brown, close, but coarse in grain, heavy, working 

 well. Superior in most respects to Greenheart, and suitable for the 

 same purposes. 



Wallaba {Eperua falcdta Aubl. : Order Leguminosm), Guiana, 

 Brazil, etc. French " Wapa gras." Height 40 — 80 ft. ; diam. 

 1—2 ft. S.G. 945—930. W 52—65-5. E 1,171 tons. / 8-1. 

 fc 4*28. fs -424. R 224 kilos. Deep red, with whitish streaks, 

 heavy, hard, and, owing to a resinous oil, very durable, but rather 

 coarse-grained. Used for vat-staves, shingles, paMngs, and, to 

 a small extent, for furniture. The Ituri Wallaba {E, Jenmani 

 Oliver) is finer in grain. 



Wallang-unda {Monotoca eUiptica R. Br. : Order Epacriddcece), 

 Eastern Austraha. Ejiown also as ** Beech." Height 20 — 30 ft. ; 

 diam. small. W 37 — 44*5. Resembling Beech, sometimes with a 

 beautiful silvery grain, working well across the grain, and taking a 

 poHsh. Excellent for planes, etc., but not answering for en- 

 graving. 



Walnut (Juglans regia L. : Order Juglanddcece). A native of 

 Northern China and Persia, introduced into Greece and Italy in 

 early times from Persia, and thence into the rest of Europe. Known 

 also as "European," " EngHsh," " Itahan," "Ancona," " Au- 

 vergne," or " Circassian Walnut." Pers. " Jaoz, Charmagz, Akrot." 

 Greeh " Carua, Persicon, Basilikon." Latin '* Juglans." French 

 " Noyer." Germ. " Wakiuss." Height 30—50 ft. ; diam. 2—3 ft. 

 W 58*5 when green, 47 — 28 when dry. Sapwood broad, greyish- 

 white, very Hable to become worm-eaten ; heart brown to black- 

 brown, often "watered" — i.e., showing dark, wavy lines and 

 zones— moderately heavy, hard, fine and close in grain, splitting 

 very httle m seasoning, but readily spHt artificially, taking a beauti- 

 ful polish, and durable, if kept dry, especially when dark in colour 

 and figured ; pith large, chambered ; pith-rays fine, indistinct ; 

 rings distinct ; vessels uniformly distributed, few, very large and 

 open, single or in pairs. Burrs, often 2—3 ft. across, and a foot or 

 more in thickness, weighing 5—6 cwt., occur, and, being generally 

 beautifully mottled, are highly valued for veneers. The^sapwood 



