JACK— JARRAH 193 



as Rosewood, including Jaearanda cabiuna {Dalhergia nigra Allem.), 

 Jaearanda roxa {MachcBrium firmum Benth.), and Jaeasanda preto 

 (If. legdle Benth.). See Rosewood. 



Jack {Artocdrpus integri folia L. : Order MordcetB). India. 

 Bmg, '" Kanthal." 8inh, '' Kos." Brazil. " Jaquexra.'*' Some- 

 times known as " Orangewood." Height 80 — 100 ft. ; d,iam. 2 — 

 5 ft. S.G. 654: — 676. W 35*6 — 45. Yellow or orange, darkening 

 on exposure to a dull red or mahogany colour, somewhat coarse and 

 crooked in grain, moderately hard, requiring thorough seasoning 

 to check warping, taking a good polish ; but brittle when dry and 

 not tolerant of alternations or drjmess and damp. Used as a 

 yellow dye, for house- and boat-building, furniture, musical instru- 

 ments, grain-measures, and in England for cabinet-work, marquetry, 

 turning, and the backs of brushes. 



Jack, Jungle. See Angelly. 



Jack, Long {FUndersia Oxleydna F. v. M. : Order Melidcece). 

 North-Bastern AustraHa. Known also as *' Light Yellow Wood." 

 Height 80 — 100 ft. ; diam. 2 — 3^ ft. Yellow, often pretty, light, 

 fine-grained, strong, durable, almost tremite-proof. "Used for 

 hand-screws and buggy-shafts, in boat-building and cabinet-work 

 as a substitute for Cedar and often coming to market as " Beech " — 

 i,e,, Gmelina Leichhdrdtii [See Beeeh] ; but not so valuable. 



Jamlbolana {Syzygium Jamholana DC. : Order Myrtdcece), India, 

 Ceylon, Mauritius, Australia. Port " Jambu." Hind. '' Ja- 

 moon." Beng. ''Jam." Mahr. " Jambool." Tarn. '^Nagal." 

 Austral, ahorig. " Durobbi." Height 80 — ^100 ft. ; diam. 2 — 3 ft, 

 W 49. Mesh-colour or red, hard, firm, close-grained, durable, 

 shrinking little in drying, resisting the action of water or termites. 

 Used for sleepers, building, carts, well-work, and agricultural 

 implements. 



Jam- wood. See Myall (iii). 



Jarrah [Eucalyptus margindta Sm. : Order Myrtdcece). South- 

 western Australia. Sometimes known as "Mahogany" or 

 " Bastard Mahogany," a name which has led to ruinous customs- 

 tariffs. Height 90 — 150 ft. ; diam. 3 — 5 or sometimes 10 ft. S.G. 

 837—1,120. W 48—76. E 620 tons, e' -66. p 2,113—10,000. 

 p' '85. f 413. ft 7-20— 4-6. fc 3-04. c 2,940. c' -388. v' -937. 

 Straight-grown, and, even when unsound in the centre, yielding 

 timber 20 — 40 ft. long and 1 — 2 ft. square, red, mahogany-like in 

 colour, sometimes exhibiting a ray of light across the grain and a 

 beautiful mottling, and sometimes curled in grain, very heavy, 

 hard, close-grained, working smoothly, taking a good polish, and, 

 when sound, extremely durable, resisting the action of damp, 

 water, earth, or rust, and very uninflammable. This most valuable 



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