ALDER BUCKTHORN. 319 



with alternate parallel branches proceeding to 

 the margins, crossing veinlets and a reticulating 

 network of venules, can be plainly traced on its 

 under side. 



The ultimate autumnal colour of the Willow 

 leaves is yellow or orange ; but the gradations of 

 tint, from the normal green to the final hue, 

 present oftentimes very beautiful contrasts. 

 Minute spots of rich, golden orange, overspreading 

 the decaying green, produce an almost bronze 

 tint in some leaves. In others the whole of one 

 side will be orange whilst the other is green ; or 

 the top or the bottom may be yellow, golden 

 brown, or orange, and the rest 6f the surface 

 green or green spotted with yellow or orange. 

 Pretty effects are produced when an orange leaf 

 is freckled with tiny green spots, as also when a 

 green leaf is freckled with yellow or orange. But 

 all these changes, and many more, can only be 

 noted on close examination. 



The smooth, oval, unindented leaf of the Alder 

 Buckthorn bears a not altogether remote like- 

 ness, in the character of its venation, and of its 



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