80 



MISC. PUBLICATION 200, U. S. DEPT. OP AGRICULTURE 



long, firm, obscurely nerved, glabrous, obtuse, the apex entire or 

 nearly so. © — Ballast near New York and Philadelphia. Europe. 

 4. Puccinellia fasciculata (Torr.) Bicknell. (Fig. 112.) Appar- 

 ently perennial; culms rather stout, 20 to 50 cm tall, sometimes taller; 

 blades flat, folded, or su bin volute, 2 to 4 mm wide; panicle ellipsoid, 

 5 to 15 cm long, the branches fascicled, rather stiffly ascending, 



Figure 110.— Puccinellia simplex. Plant, X 1; floret, X 10. (Type.) 



Figure 111.— Puccinel- 

 lia rupestris. Panicle, 

 X 1; floret, X 10. 

 (Martindale, N.J.) 



some naked at base but with short basal branchlets, all rather densely 

 flowered; spikelets 2- to 5-flowered, 3 to 4 mm long; glumes ovate, 1 

 and 1.5 mm long; lemmas 2 to 2.5 mm long, firm, obtuse. % (P. 

 borreri Hitchc.) — Salt marshes along the coast, Nova Scotia to Dela- 

 ware; Utah (fig. 113); Europe. 



5. Puccinellia lemmoni (Vasey) Scribn. (Fig. 114). Perennial; 

 culms erect, slender, 15 to 30 cm tall; leaves mostly in an erect basal 



