The ornamental design for a torchiere tree lamp, substantially as shown and described.
FIG. 1 is a perspective view of a torchiere tree lamp showing the design of the present invention; the portion shown in broken lines is to illustrate the environment of the design and forms no part thereof;
FIG. 2 is an enlarged front elevational view of the general area lighting portion thereof, shown separately for clarity;
FIG. 3 is a left side view of FIG. 2; the right side is a mirror image;