 " Trees " has been described by literary critic Guy Davenport as " the one poem known by practically everybody . " According to journalist Rick Hampson , " Trees " was " memorized and recited by generations of students ... It comforted troops in the trenches of World War I. It was set to music and set in stone , declaimed in opera houses and vaudeville theaters , intoned at ceremonies each April on Arbor Day . " According to Robert Holliday , Kilmer 's friend and editor , " Trees " speaks " with authentic song to the simplest of hearts . " Holliday added that this " exquisite title poem now so universally known made his reputation more than all the rest he had written put together " and was " made for immediate widespread popularity . " 
 " Trees " <a href='been_done' title='1'><mark>has</mark></a> been described by literary critic Guy Davenport as " the one poem known by practically everybody . " According to journalist Rick Hampson , " Trees " was " memorized and recited by generations of students ... It comforted troops in the trenches of World War I. It was set to music and set in stone , declaimed in opera houses and vaudeville theaters , intoned at ceremonies each April on Arbor Day . " According to Robert Holliday , Kilmer <a href='null_genetive' title='2'><mark>'s</mark></a>friend and editor , " Trees " <a href='uninflect' title='3'><mark>speaks</mark></a> " with authentic song to the simplest of hearts . " Holliday added that this " exquisite title poem now so universally known made his reputation more than all the rest he <a href='been_done' title='4'><mark>had</mark></a> written put together " and was " made for immediate widespread popularity . " 
 Trees  done been described by literary critic dude Davenport as " the one poem known by practically erbody . " According to journalist Rick Hampson , " Trees " was " memorized and recited by generations of students ... It comforted troops in da trenches of World War I. It was set to music and set in stone , declaimed in opera houses and vaudeville theaters , intoned at ceremonies each April on Arbor Day . " According to Robert Holliday , Kilmer  friend and editor , " Trees " speak " with authentic song to tdasimplest of hearts . " Holliday added that this " exquisite title poem now so universally known made his reputation more than alll thdaest he done written put together " and was " made fa immediate widespread popularity . "