MANUAL OF THE GRASSES OF THE UNITED STATES 



493 



Figure 1046.— Distribution of 

 Spartina spartinae. 



closely appressed, 1 to 1.5 cm long; spikelets 6 to 8 mm long; glumes, 

 ciliate on the keel, acute, the first about half as long as the second; 

 lemma nearly as long as second 

 glume, ciliate on keel; palea as 

 long as lemma, obtuse. % — 

 Alkaline meadows and plains, 

 Saskatchewan to British Colum- 

 bia, south to Colorado and 

 through eastern Washington to 

 Arizona (fig. 1049). 



8. Spartina patens (Ait.) Muhl. 

 Saltmeadow cordgrass. (Fig. 

 1050.) Culms slender, mostly 

 less than 1 m tall, with long 

 slender rhizomes; blades some- 

 times flat but mostly involute, 

 less than 3 mm wide; spikes 2 to 

 several, appressed to somewhat 

 spreading, 2 to 5 cm long, rather 

 remote on the axis; spikelets 7 to 

 12 mm long; first glume about j\W& 

 half as long as the floret, the second A' 1 ! 

 longer than the lemma ; lemma , 7 " 

 5 to 7 mm long, emarginate at {A\\t 

 apex ; palea a little longer than the }'ll |; j 

 lemma. % — Salt marshes and wibf 

 sandy meadows along the coast, 

 Quebec to Florida and Texas, "SKffinte 

 and in saline marshes inland, j^f x ^^f &u 

 Xew York and Michigan (fig. 

 1051). The smaUer, more southern form, with 

 slightly smaller and more closely imbricate 

 spikelets has been distinguished as S. juncea 

 (Michx.) Willd. (S. patens var. juncea 

 Hitchc.) — Xew Jersey 

 to Florida. Spartina 



PATEXS Var. CAESPITOSA 



(A. A. Eaton) Hitchc. 

 An ambiguous form 

 resembling $. patens, 

 but growing in large 

 tufts without rhizomes. 

 % — Salt marshes, 



Xew Hampshire to Xew York. Larger tufted 

 figure 1048— Spartina gradiu. forms with rhizomes are found at Chesapeake 

 gtSSS X " Beach, Md, and Virginia Beach, Ya. 



Figure 1049.— Distribution of 



Spartina gracilis. 



100. CTEXIUM Panz. 



(Campulosus Desv.) 



Spikelets several-flowered but with only one perfect floret, sessile 

 and pectinately arranged on one side of a continuous rachis, the 

 rachilla disarticulating above the glumes; first glume small, hyaline, 



