How does Emily Dickinson use imagery in The Complete Poems of Emily Dickinson?

One common theme in Emily's imagery consists of references to trees, flowers and animals. There was apparently a garden near Emily's home where she spent much of her time observing nature. In Poem 841, for example, Emily writes about a moth. In her conclusion Emily states the moth shows that nature is as fond of jewelry as a girl. Emily talks about the joy of nature in Poem 868. She writes she believes flowers and plants grow just for the purpose of bringing smiles to the faces of humans, even if they have little or no money.