318 AUTUMNAL LEAVES. 



colouring, the leaf of the Black Poplar so nearly 

 resembles that of the Lombardy Poplar that a 

 lengthened separate notice of it will be unne- 

 cessary. The points of difference lie chiefly in 

 the longer and more pointed apex of the leaf of 

 the Black Poplar, and in its almost four-sided 

 form, a distinction that will be readily noticed 

 on reference to the coloured figures. 



The pretty little, rounded leaf of the Aspen, 

 which has a crenated margin, is veined very 

 much like that of its congeners just mentioned, 

 and its stages of colouring giving contrasts of 

 green against golden brown, yellow and orange 

 are, too, much like those of the Lombardy and 

 the Black Poplars, though it takes oftentimes, 

 like the White Poplar, a final tint of dark brown. 

 Dismissal with mention is, therefore, all that need 

 be said of the Trembling Poplar. 



Of the prolific family of the Willows, very 

 various in their autumn colouring, mention will 

 be made and illustration given of one of the 

 broad-leaved kind whose venation a mid-vein 



