The ornamental design for a floral umbrellaendcap, as shown and described.
FIG. 1 is a side perspective view of a floral umbrella end cap, with the umbrella shown in an exploded view for clarity of illustration;
FIG. 2 is a partial cut-away of the end cap of the floral umbrella of FIG. 1, shown in exploded view for clarity of illustration; and,
FIG. 3 is a front elevation view of the floral umbrella end cap of FIG. 1, showing the umbrella canopy portion.
The broken line showing of the umbrella, the umbrella base, support pole and cranking mechanism is for illustrative purposes only and forms no part of the claimed design.