HINAU 



Hardness Grade 6, compare Beech. Smell and taste none. 

 Burns well with a quiet flame : heat expels a brown gum, embers 

 glow in still air. Solution with alcohol none, with water very 

 faint yellow. 



Grain. Moderately fine and open. Surface lustrous, the lustre 

 being due to the ground- tissue, the rays dull, the pores some- 

 times shining. 



Bark. ? 



Uses, etc. " Building purposes, weather-boards. Reputed to 

 have the property of resisting white ants" (5). Very fissile. 



Authorities. F. M. Bailey (5), p. 23. J. F. Bailey (6), p. 393. 

 Nilsson (85), p. 55. Timber Trades' Journal (120), April 20, 1901. 



Colour. Grey : greyish-brown. 



Anatomical Characters. Transverse section : — 



Pores. Clearly visible yet scarcely conspicuous on account of 

 the lack of colour : size 2, rather coarse : little variation : evenly 

 distributed : pore-rings rare if ever present : rarely single pores, 

 mostly subdivided, in compact, radial groups of from 3-8 : few, 

 3-20 per sq. mm. : slightly oval : some appear whitish in the 

 solid. 



Rays. Just visible, size 4 or 4-5 : uniform : irregularly spaced, 

 never less than the width of a pore apart and not avoiding them : 

 straight : much denser than the ground : many, 5-8 per mm. 



Rings. Doubtful (see below). 



Soft-tissue. White lines resembling ring-boundaries : contour 

 well rounded : continuous : size 4 : also narrowly encircling the 

 pores (needs micro.). 



Pith. ? 



Radial Section. The pores appear as dull grooves of medium 

 coarseness. Rays, small, inconspicuous yet readily visible 

 flakes : cells very coarse and visible with the lens : dull. The 

 rings are not traceable. 



Tangential Section. The rays appear as minute, incon- 

 spicuous, almost colourless lines about 1 mm. high (need 

 moistening to be seen). 



Type specimen bears the label of the Sydney Technological 

 Museum. 



No. 14. HINAU. Elseocarpus dentatus. Vahl. 



Plate II. Fig. 12. 



Natural Order. Tiliaceae. Synonym. E. Hinau. A. Cunn. 



Source of Supply. New Zealand only. 



Physical Characters, etc. Recorded dry-weight 35-39J lb. per 

 cu. ft. Hardness Grade 7, compare Beech. Taste or smell, none . 

 Burns well with a long lively flame : no aroma : embers die out 



15 



