THE TIMBERS OF COMMERCE 



Sources of Supply. North America, United States, West 

 Indies. 



Physical Characters, etc. Recorded dry-weight 35| lbs. per 

 cu. ft. Hardness Grade 6, compare Chestnut or Beech. Smell 

 or taste none. 



Grain. Very coarse and open in bands, much more so than 

 in other species of Ash. Surface dull. 



Bark. ? 



In all other respects as F. excelsior (No. 140). 



Uses, etc. " Brittle, not strong " (100). Usually confused 

 with other species of Ash, but readily distinguishable from them. 



Colour. Milk-white or white tinged with yellow. Sap-wood 

 lighter. 



Authority. Sargent (100). 



Anatomical Characters. Similar to those of F. excelsior (No. 

 140), and other species of Ash, which should be compared. Trans- 

 verse section varies as follows : — 



Pores. Very prominent, size 1-2, rather coarse, diminishing 

 in size abruptly immediately outside the Spring pore-ring. Large 

 pores close, 2-3 rows deep and 3-5 per sq. mm. : the small pores 

 or groups scattered uniformly : rarely 3 in a group. 



Rays. Need lens, size 5-6, and 6-9 per mm. 



Ground-tissue. All very coarse and spongy throughout the 

 width of the ring. 



Radial Section. Lighter in shade than the transverse. Pores 

 rather more prominent in this section than in the tangential. 



Type specimen from commercial sources checked by Sargent's 

 description. 



No. 144. EAST-LONDON BOXWOOD. Gonioma 



Kamassi. E. Mey. 



Plate X. Fig. 89. 



Natural Order. Apocynaceae. 



Alternative Names. Cape Boxwood : Kamassihout (71). 

 Knysna Boxwood. 



Sources of Supply. South Africa, Natal. 



Physical Characters, etc. Recorded dry-weight 58 lbs. per 

 cu. ft. Hardness Grade 3, compare Blackthorn, or rather 

 harder. Smell none. Taste faintly astringent. Burns well and 

 quietly, the heat expels an orange-red juice, the embers glow in 

 still air. Solution with water or alcohol light, clear yellow. 



Grain. Very fine, dense and open. Surface bright, the rays 

 and pores dull. 



Bark. Brown, f-rV inch thick, fissured, scaling in flakes : of 

 two layers. 



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