213 



Fig. 509. Triplasis purpurea (Walt.) Chap. Fl. So. St. 559. (Aim 

 purpurea Walt. Fl. Car. 78. 1788. Tricuspis purpurea A. Gray; 

 Sietjliiigia iiurpurea Kuutze. ) Pukpi.e Saxd-gkass. A smooth, 

 erect or spreading, ca-spitose perennial 3 to 9 dm. high, with nar- 

 row, rigid leaves and 8imi)le panicles 2 to 6 cm. long. Spikelets 

 L'- to 5-llowered, 5 to 8 mm. long, with smooth empty glumes () 

 aud hairy, 2lobcd and short-awned llowering glumes (rf). In 

 sandy soil along the coast, from Maine to Florida aud westward 

 to Nebraska aud Texas. .Iiilv-Oitnlxr. 



