178 



Fig. 172. SPARTINA POX.YSTACHYA (Michx.) Ell. Sk. Bot. S. C. and Ga. 

 1:95. 1816. (Trar/(*//;o^/a j>o///.-.-^r((7(*/a Miehx. Fl.Bor.Am. 1 : 64. 1803.) SALT 

 REED-GRASS.— A stout, erect perennial 12-27 dm. (4°-9°) high, with long, flat 

 leaves and terminal panicles of twenty to fifty crowded, ascending spikes 5-10 

 cm. (2'-4') long. Sheaths imbricate, crowded at the base; ligule a ring of hairs: 

 leaf-blades 3 dm. (1°) long or more, 12-24 mm. (6"-12") wide, plain, scabrous at 

 least on the margins, long-attenuate. Spikelets (a) 8-10 mm. (4"-5") long, the 

 first glume half the length of the' second, which much exceeds the third or 

 flowering glume (?>).— Brackish marshes along the coast, Maine to Mississippi. 

 Julv to October. 



