272 



Fig. 568. Panicularia acutiflora (Torr.) Kuntze. (Glycerin 

 acutiflora Torr. Fl. U. S. 1 : 104. 1824. ) Acute-flowered Manna- 

 grass. — A rather slender, glabrous perennial 3 to 6 dm. high, with 

 flat leaves and narrow, simple panicles 15 to 30 em. long. Spike- 

 lets (a) narrow, 24 to 42 mm. long. 5- to 12-flowered ; empty glumes 

 unequal, acute; flowering glumes scabrous, acute, about 8 mm. 

 long, exceeded by the long-acuminate paleas. — Wet soil and in 

 shallow water, Maine to Ohio, and southward to Xew Jersey and 

 Tennessee. May, June. 



