80 



MISC. PUBLICATION 200, U. S. DEFT. OF 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 subinvolute, 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, NJ.) 



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. Qi (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 



