behold
to see; to experience.
Here, the word connotes a fuller experience than sight: a revelation, the experience of a scene that has some power to impress itself upon the listener in a profound way.
junipers; spruces
two types (genuses) of coniferous evergreen trees
shagged
covered with thick layers; bearded
regard
to look at; to study, often in a thoughtful way
boughs
tree limbs
misery
deep sadness, desolation