THE WALNUT. 



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leaves of former seasons in conspicuous scars. Each scar consists of 

 a bracket with a flat, pale-brown surface ; its outline is scalloped into 

 three lobes, the whole being roughly heart-shaped. The outermost 

 lobe projects considerably from the surface of the twig, upon a 

 support which merges gradually into the twig. The three-lobed form 

 of the bracket leaves a hollow space, or deep fluting, on either side 

 of this support. The leaf-scars on an ash form brackets of the same 

 kind, but there the top surface has a semi-circular outline, and there 

 is consequently no space for the flutings between the support and the 

 main twig. Moreover, the brackets on the ash are arranged in opposite 

 pairs, and the portion of the twig which lies between each pair is 

 flattened. With the Walnut, on the contrary, they are arranged singly, 



