58 



Fig. 354. Panicum gymnocarpon Ell. Bot. S. C. and Ga., 1 : 

 117. Chapm. Flor. S. U. S. 573. Marsh Panic-grass. — A fibrous- 

 rooted, smooth perennial with geniculate, ascending stems 6 to 12 

 dm. high, with long and rather broad, fiat leaves and simple ter- 

 minal panicles about 30 cm. long. Spikelets (a, b) lanceolate- 

 acute, about 6 mm. long, arranged along one side of the panicle- 

 branches. Outer glumes much longer than the flowering one. — 

 Low grounds, Georgia and Florida westward to Louisiana and 

 Texas. July-September. 



