Art Out-of-Doors 
which were originally American. She takes 
up vegetable immigrants as hospitably as our 
civilization takes up human immigrants, and 
assimilates them as quickly and naturally. 
Who would suspect the white willow or the 
barberry in New England, or the pawlonia in 
the woods of Maryland, to be an exotic ? Or 
the field-daisy which fills all our meadows ? 
And who sees anything inharmonious or 
strange in the aspect of the ailanthus-trees 
which, mingling with native elms, shade the 
rustic streets of Nantucket ? Nature chooses 
which exotics she will grow for what we may 
call scientific reasons, but the artistic effect 
of her results is invariably good. And man 
should learn from her how to make a similar 
choice, taking a wider liberty, of course, 
when he is planting a garden than when he 
is planting a forest, but never forgetting 
that, in gardens such as we have now in 
mind, he should grow together only such 
plants as will look well together. There are 
exotic flowers which look as natural, as ap- 
propriate in a garden, as the marguerite of 
Europe looks in our fields. But there are 
others which seem entirely out of place as 
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