In the cabin after trapping the killer, Patrick takes Teresa's gun and hands her a bouquet then he is seen carrying the bouquet as they leave the cabin.
At 1:03:14, Wylie asks Lisbon if there is a trousseau, and she doesn't know what that is. However, at 8:45 in Pilot (Season 1, Ep. 1), Lisbon tells Van Pelt to pick up the second rental after her trousseau arrives.