The rice plant is an annual grass with long linear glabrous leaves, each provided with a long sharply pointed ligule.
At the summit of l i the sheath, above the origin of the blade, is the ligule, a usually membranous process of small size (occasionally reaching r in.
Melica uniflora has in addition to the ligule, a green erect tongue-like process, from the line of junction of the edges of the sheath.
of Danthonia) with the ligule of the developed foliage-leaf.
Some Commelinaceae and Marantaceae approach grasses in foliage; the leaves of Allium, &c., possess a ligule; the habit of some palms reminds one of the bamboos; and Juncaceae and a few Liliaceae possess an inconspicuous scarious perianth.