9g GRAMINE#. 
ceous, and knotted. Occasionally branched, seldom shrubby. 
Hollow mostly, being closed at the joints. 
Leaves, a single one to each node, having a sheath slit lon- 
gitudinally on one side, and frequently possessing a membranous 
appendage at the summit, called a hgule. 
The flowers, which are small, are solitary or in spikelets, 
which are panicled or spiked. 
