No. I. CANARY WHITEWOOD. Liriodendron 

 tulipifera. Linn. 

 Plate I. Fig. i. 



Natural Order. Magnoliacese. 



Synonyms. L. procera. Salisb. : L. tulipiflora. St. L. : Tulipifera 

 Liriodendron. Mill. 



Sources of Supply. The United States of America and Canada. 



Alternative Names. Whitewood, Canadian Whitewood, Tulip 

 Tree, Canary wood, Poplar, Yellow Poplar, Virginian Poplar, 

 Canoe-wood, Yellow-wood, Saddle Tree (112). 



Physical Characters. Weight 26^ to 38* lb. per cu. ft. Hard- 

 ness, Grade 7, soft, compare English Alder. No smell or 

 taste. Burns well and quietly, embers glow in still air. Solution 

 with water or alcohol colourless. 



Grain. Very fine but spongy : splits cleanly. Surface dull, the 

 little lustre being due to the shining pores, soils readily. 



Bark. Very thick, as much as 1 inch, corky, deeply fissured, 

 2 layers. The inner layer of the bark is so much like the wood 

 itself that it may be overlooked, it is about J inch thick in old 

 trees, and nearly white in colour. The scales which fall off are 

 clearly marked in transverse section. 



Uses, etc. " In works of construction, interior finish, shingles, 

 boat-building, wooden pumps (in the United States). Not 

 strong, brittle, easily worked " (100). " Not liable to warp 

 and shrink, durable" (95). Panels, sideboards and in joinery 

 generally, in England. Met with in the form of waney logs 

 and sawn planks of fine dimensions. "A tree of 30 to 60 metres 

 high by 24 diam." (100). 



Authorities. Nordlinger (86), vol. 3, p. 55. Laslett (60), 

 p. 184. Boulger (12-15). Hough (49), part I. p. 40. Sargent 

 (100), No. 8. Robb (95). Wiesner (131). L. 12, p. 914. The 

 wood is frequently confused with the American White Poplar, 

 Sycamore (English) and other whitish woods. 



Colour. White, canary-colour, greenish, or grey : " Sap-wood 

 whitish or brownish" (131). 



Anatomical Characters. Transverse section; — 



Pores. Just vis. ble, fine, siz 4: uniformly distributed, occupy- 

 ing almost the whole ring : somewhat variable in size : numerous, 



1 B 



