The ornamental design for a collector of lawnwaste, as shown and described.
FIG. 1 is a top right perspective view of a collector of lawn waste showing my new design;
FIG. 2 is a top left perspective view thereof;
FIG. 3 is a bottom left perspective view thereof;
FIG. 4 is a front view thereof;
FIG. 5 is a back view thereof;
FIG. 6 is a top view thereof;
FIG. 7 is a bottom view thereof;
FIG. 8 is a left view thereof; and,
FIG. 9 is a right view thereof.
The broken lines showing of the wheels in FIG. 1-9 are included for the purpose of showing environmental structure and form no part of the claimed design. The broken lines shown in the figures are included for the purpose of illustration portions of the collector of lawn waste which form no part of the claimed design.