GUM 179 



the shield in tunneUing. For Dover Harbour piles 70 — 100 ft. 

 long and 18 or 20 in. square have been employed. Being hardy 

 and quick-growing in any soil, in districts free from frost, this species 

 has been largely planted in many parts of the world — as, for instance, 

 in South Africa — ^for firewood and for mine-timbers. 



Gum, Blue {E. saligna Sm.). In New South Wales known 

 also as "Flooded, Grey, White," or ''Silky Gum," or "Grey 

 Box." Height 40-™120 ft. ; diam. 2—7 ft. S.G. 1,023. W 63—74. 

 Warm red-brown, wavy, very heavy, close- and cross-grained, 

 easily worked, difficult to season, strong and durable, but liable 

 to shakes. Excellent for sleepers, fencing, ships' planks, spars, 

 paving, and building. 



Gum, Blue, in Queensland {E, tereticornis). See Gum, Moun- 

 tain. 



Gum, Bastard Blue and Scribbly Blue are names of jB^. leucoxylon. 

 See Ironbark. 



Gum, Brown. See Mahogany, Swamp. 



Gum, Cabbage {E, Sieberidna F. v. M.). Known also as " Gum- 

 top Stringybark, Ironbark, Bastard," or " White Ironbark, Green- 

 top, Silvertop," and " Blackbutt " in Tasmania, and as " Mountain 

 Ash " in New South Wales. Height 40 — 150 ft. ; diam. 1 — 5 ft. 

 S.G. 896. W 55 — 60. Bu:ff, moderately heavy, rather coarse and 

 cross-grained, very tough, easily worked, elastic, full of gum- veins, 

 seasoning badly, generally soft, whence its name, and doubtfully 

 durable. Used for posts, rails, building, furniture, and fuel. 



Gum, Cider [E, Gunnii Hook. fil.). Tasmania and South- 

 Eastern Australia, being known in the latter district as *^ Sugar, 

 White, Swamp, Yellow," or '' Bastard Gum." Height 30 or 

 exceptionaUy 250 ft. S.G. 700—1,021. W 44. Light reddish- 

 brown, hard, tough, with a few gum- veins, often crooked. Chiefly 

 valuable for charcoal and for its sap. 



Gum, Creek (E, rostrdta). See Gum, Red. 



Gum, Drooping {E, vimindlis [See Gum, Manna] or E, pauci- 

 flora [See Gum, Mountain White]). 



Gum, Flooded, a name applied to E, Ounnii [See Gum, Cider], 

 E, pauciflora [See Gum, Mountain White], E, rostrdta [See Gum, 

 Red], E, saligna [See Gum, Blue], E, tereticSrnis [See Gum, Moun- 

 tain]. 



Gum, Giant {E. amygdalina). See Ash, Mountain. 



Gum, Gimlet (E. salubris E. v. M.). West Australia. Known 

 also as '' Fluted Gum." Height 120 or 150 ft. W 65—68. Dark 

 neutral brown, with warmer-coloured bands, tough, but easily 



12—2 



