47 



Fig. 41. PANICUM PASPALOIDES Pers. Syn. 1:81.. 1805. (P. truneatum 

 Trill. Icon. Gram. 2 : t. 168. 1829.) SOUTHERN WATER-GRASS.— A rather 

 stout, smooth, and more or less branching perennial 6-10 dm. (20-3°) high, often 

 creeping at the base, with long, flat leaves 15-25 cm. (5'-10') long, and ten to 

 twenty alternate, one-sided spikes 2-3 cm. {V-l\') long. Spikelets (a, h, c) 3 

 mm. (li") long, oblong, obtuse, with the obtuse second glume a little shorter 

 than the fourth glume {d, f), which is equaled by the third; first glume broadly 

 truncate 0.5 mm. {\") long.— About ponds and in standing water, southern 

 Florida; Texas. (In tropical countries of both hemispheres.) May to July. 



