58 TIMBER AND SOME OF ITS DISEASES, [en. in. 



are afforded by the following, and they are dis- 

 tinguished further by minor details of structure, 

 colour, density, &c. 

 (i) The vessels are visible without a lens, and scattered ; 



e.g. Walnut, Shorea robusta. 



(ii) The vessels are minute, and usually numerous. 

 The wood (at least the heart-wood) is hard. 



e.g. Beech, Birch, Box, Maple, Plane, Horn- 

 beam, Eugenia Jambolana.) Chloroxy- 

 lon Swietenia, Anogeissus latifolia, 

 Schleichera trijuga, dLgle Martnelos, 

 &c. 

 The wood is soft, 



e.g. Horsechestnut, Willow, Poplar, Alder, 

 Populus euphratica, Michelia excelsa, 

 Holarrhena antidysenterica, Dillenia 

 indica, Boswellia thurifera, &c. 



