INDO-MALAYAN WOODS. 533 



been rather extensively planted in India and elsewhere. A IVw of the 

 best knows Bpecies arc here considered. 



Wiesner 2:970-982 includes the following characterization. 



Wood in cross section with numerous, prominent, light-colored spots, 

 which contain small vessels and which frequently or always are arranged 

 in obliquely placed stripes of changeable direction, arranged in concentric 

 zones and so forming an appearance more or less suggesting annual 

 rings. Sometimes there are seen on the cross-section cavities in which 

 there is a dark-reddish-brown mass. Wood hard, heavy, usually splitting 

 easily but roughly, checking and warping badly, but tough, elastic, 

 strong and durable. The Eucalyptus woods are divided into two groups 

 on the ground of color. The one light-brown, having about the appear- 

 ance of ordinary oak wood, from which, however, it differs very markedly 

 by the irregular appearance of the cross-section and the absence of broad 

 pith-rays; the others appear dull-red to fleshy-red, about the tint of red 

 Casuarina wood or of horseflesh wood, with which woods, however, they 

 are not to be confused. Both sorts of Eucalyptus woods have the same 

 structure. 



LIGHT-BBOWN EUCALYPTUS WOODS. 



Distinct from the reddish-colored species by the scanty development of 

 wood parenchyma and by the contents of the wood parenchyma and pith- 

 ray cells. Both of these elements contain in many cells light-brown or 

 yellowish-brown coloring material which is quickly or slowly blackened 

 by iron chloride, partially soluble in wider, which it colors, blackened by 

 quicklime. 



Eucalyptus globulus Labill. The blue gum. 



Victoria and Tasmania; naturalized in British India and Ceylon. 



Wood gray with darker streaks and moderately hard. Very heavy. 

 Pores small to moderate-sized, round, in groups or in radial or oblique 

 lines; closely packed in concentric belts in the annual rings. Pith-rays 

 fine, very numerous, the intervals between the rays smaller than the 

 diameter of the pores. Pores marked on a longitudinal section. House 

 beams, railway sleepers, bridge-work, charcoal. 



Stone 125; Gamb. 353. tab. VIII, fig. 1; Nord. VI; Hough's American Woods, 

 8:183; Van Bed. 133. 



Eucalyptus maculata Hook. "Spotted gum/' in Queensland and New South 

 Wales. 



Eucalyptus microcorys F. v. Muell. "Tallowwood," same range. 



Eucalyptus obliqua L'Her. "Stringybark," in Tasmania, New South Wales 

 and southern Australia. In Australia, the shaggy-barked species are usually 

 called "stringy bark trees," while the smooth-barked species are called "iron 

 bark trees." 



Eucalyptus pilularis Smith. "Blackbutt," in Tasmania, New South Wales 

 and Queensland. 

 Stone 124. 



