11. Be … ashamed—that is, Ye shall have the shame of disappointment on account of the failure of "the wheat" and "barley … harvest."
howl … vine dressers—The semicolon should follow, as it is the "husbandmen" who are to be "ashamed … for the wheat." The reason for the "vine dressers" being called to "howl" does not come till Joe 1:12, "The vine is dried up."