The ornamental design for a herbicidedispensingarm, as shown and described.
FIG. 1 is a perspective view of a herbicide dispensing arm showing my new
design;
FIG. 2 is an enlarged front end elevational view thereof;
FIG. 3 is an enlarged fragmentary side elevational view of the front end
portion thereof, the shaft and rear end portion being omitted for
convenience of illustration, and the opposite side being a mirror image of
that shown;
FIG. 4 is an enlarged fragmentary side elevational view of the rear end
portion thereof, the shaft and front end portion being omitted for
convenience of illustration, and the opposite side being a mirror image of
that shown; and
FIG. 5 is an enlarged rear end elevational view thereof.