The ornamental design for a grass and leafcollector for a lawnmower, substantially as shown.
FIG. 1 is a perspective view of a grass and leaf collector for a lawn mower
embodying my new design as seen from the front end and right hand side
thereof;
FIG. 2 is a left side elevational view thereof, it being understood that
the broken line showing of the inlet chute is for illustrative purposes
only; and