The ornamental design for a floorlamp, as shown and described.
FIG. 1 is a perspective view of my new floor lamp comprised of a diffuser portion for suspension above a base portion, the diffuser portion and the base portion not connected to each other but sold together to form the floor lamp;
FIG. 2 is a front elevational view of my new floor lamp;
FIG. 3 is a rear elevational view of my new floor lamp, opposite that of FIG. 2;
FIG. 4 is a side elevational view of my new floor lamp; and,
FIG. 5 is another side elevational view of my new floor lamp from a side opposite that of FIG. 4.
The broken line showing of portions of the floor lamp in the figures is included for the purpose of illustrating environmental structure and forms no part of the claimed design.