434 TREES IN WINTER. 



Teeth. Small projections along the margin. 



Terminal bud. The bud formed at the tip of a twig. 



Thorn. A stiff woody sharp-pointed projection. 



Top-shaped. Shaped like a top with the broadest part above. 



Tree. A woody plant, lai^ger than a shrub, from which it cannot always be 

 distinguished. Usually defined as a woody growth, unbranched near the 

 base and reaching a height of at least fifteen feet. 



Triangular. Shaped like a triangle with the base below. 



Trunk. The main stem of a tree. 



Twig. A young shoot. Unless otherwise specified, used in the descriptions 

 to denote the growth of the past season only. 



Type. A term used to designate the characteristic form of a species in 

 distinction from its varieties. 



Valvate. Said of buds in which the scales meet without overlapping. 



Whorl. A cluster of three or more leaves or leaf-scars at a single node. 



Wing. A thin flat appendage. 



Woolly. Covered with tangled or matted hairs resembling wool. 



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