This is a simple poem of four stanzas, about trees written by Harry Behn. The poem conveys the importance of trees to the world with the use of very simple images and the poem has a regular rhyme scheme. A regular rhyme means that you can see a pattern in the last words of each line. In this poem you will notice that the poem is in couplets with the last two words of each couplet having similar sounding words (example: know/grow, cows/boughs)