my blood - that is, my undeserved suffering. He compares himself to one murdered, whose blood the earth refuses to drink up until he is avenged (Gen 4:10, Gen 4:11; Eze 24:1, Eze 24:8; Isa 26:21). The Arabs say that the dew of heaven will not descend on a spot watered with innocent blood (compare 2Sa 1:21).
no place - no resting-place. “May my cry never stop!” May it go abroad! “Earth” in this verse in antithesis to “heaven” (Job 16:19). May my innocence be as well-known to man as it is even now to God!