2734: Back-up
The unclued Across and Down solutions are of two kinds, entered accordingly: five are of two or three words. Across 3 Old flower and bitter vetch by village plot in NW London (7,5) 11 Row following right bluster (4) 13 One silk tie crumpled, no matter how unpleasant (4,2,2) 16 Storey having display-stand with note