Stuck in one corner!
1a Shrub with fragrant flowers(7) ??S?A?E
1d Medicated drink(5) ?????P
14a Slouches(against) (5)??A?G
Please note that I have AGGRAVATE for 3d and PRESAGE for 18a but not sure if they are right!
3d Stir up or provoke(9) and 18a Assumption (7)