148 WOODS OF COMMERCE. 



Reddish, tough, polishes well, durable, but requires careful 

 seasoning. W 52 53. Used by wheelwrights and for fencing. 



Apple-tree, Narrow-leaved (Angdplwra intermedia DC.). 

 Eastern Australia. Formerly Metrosiddros flwiMnda Sm. Height 

 40 100 ft., diam. 1 3 ft. Hard, tough, bears damp well, but 

 is subject to gum-veins. Much used by wheelwrights. 



'Arar (Tetradinis articuldta Masters : Order Cupressinece) . 

 Morocco and Algeria, The "alerce" of the roof of Cordova 

 Cathedral, and probably the " citron-wood " of the Romans and 

 the "thyine wood" of the Apocalypse (xviii, 12). Also named 

 Thuja articuldta Vahl. and Cdllitris quadrimlvis Vent. Height 30 

 ft., fragrant. 



Arbor-vitse. See Cedar, White. 



Argan (Argdnia Sideroxylon Rom. and Schult. : Order 

 Sapotdcecs). Morocco. " Morocco Ironwood." Height seldom 

 more than 20 30 ft., diam. 8 ft. or more. Heavier than water, 

 very hard. 



Arjun (Termindlia Arjiina Bedd. : Order Combretdcece). India, 

 Burmah, Ceylon. Apparently known also as " Kahua " or 

 "Kowah." Height 5080 ft. ; diam. 28 ft. Dark brown, or 

 brown-red, very heavy, strong, but sometimes rotten at the 

 heart, splits freely when exposed to the sun, durable, but liable 

 to termite attack. Recommended for beams, rafters, and masts. 



Asada. See Hornbeam, Hop. 



Ash (Fraxinm excelsior L. : Order Oledcece). Germ. "Esche." 

 Dutch "aesche," Dan. and Swed. "ask," French "frene," 

 Ital "frassino," Span. " fresno," Russ. "jasan." S.G. fresh 

 852, dry 750692, W 4353, E 750 tons, e' 1-28, p 11,600, 

 p' 1-05, ft 47, c 3780, c' '499, fc 24, v' -912, fs -5, R 15,120 

 Ibs. Stress required to indent ~y in. transversely to the fibre, 

 2300 Ibs. per square inch. (Fig. 31.) 



Height 3050, or even 80 ft. ; diam. If 2 ft. 



The sapwood, very broad, about 40 rings, yellowish or 

 greyish- white ; the heart, light brown, or greyish-white, not 

 very different from the sapwood, or, in colour, from light 

 Oak. Rings very distinct, with a broad zone of spring-wood 



