Sudan Grass. 3 fourth of an inch in diameter (fig. 1). The panicle is loose and open, very much like that of Johnson grass, but a little larger and a trifle less open. The hulls, or glumes, are awned and when in flower FIG. 2.—Young plants of Sudan grass (left) and Johnson grass (right), showing the vigorous rootstocks of Johnson grass and their entire absence on Sudan grass.

are often purplish in color. This color usually fades to a pale yellow when ripe. The awns are broken off in threshing, so that the commercial seeds rarely have awns. The leaves are broader and more