Gd 2. Ge borealis (Nash) Batchelder. Northern iiannagrass. ——sCulms erect 
from a decumbent base, rooting at the lower nodes, as much as 120 cm. tall; 
sheaths keeled, smooth or scaberulous; ligules long and papery; blades flat 
a or folded, scabrous above, nearly smooth beneath, 10-20 cm. long, usually less 
chan 9 mie wide, the apex boat-shaped; panicles narrow, as much as 40 cme long, 
2 the branches usually appressed; spikelets rather long-pediceled, appressed 
? so the branches, 10-15 mu. long; glumes obtuse, scarious, obscurely l-nerved, 
the first 1.5-c mm., the second 2.5-3.5 mm. long; lemmas obtuse, about 4 mm. 
long, 7-nerved, slightly scabrous on the nerves, glabrous on the internerves, 
the apex scarious, smooth and shining. 
Swamps and shallow water along lake shores. 
a > Pet : = won age ng Shee bn “et ys a 
do Ge pauciflora Presl. ——>Culns stiffly erect from a decumbent base with 
creeping rhizomes, 50-120 cm. tall; sheaths smooth or scabrous; ligules obtuse, 
4-5 mme long; blades acuminate, rounded at the base, scabrous on both surfaces, 
5-20 cmegusually about 10 cm., long, 5-15 mm. usually less than 10 mm. wide; 
panicles nodding, 10-20 cm. long, the branches spreading, slender and flexuous; 
glumes ovate, acute or obtuse, the first 1-1.5 mm. long, the second broader, 
1.5-2 mme long; lemmas obtuse, 5-nerved, scabrous on the nerves, often sparsely 
@ so on the internerves, 2-5 ma. long, the apex usually tinged with purple. 
Swamps,wet meadows, and lake shores. 
} fe: 
4. G. emus Fowl Mannagrass. Culms slender, usually 
firm, not succulent, erect fram a decumbent base, 30-100 cm. tall; sheaths 
usually scabrous; blades flat or folded, rather firm, erect or ascending, 5-25 
cme long, 2-6 mme wide, seldom wider, scabrous or nearly smooth; panicles 
5-15 cme long, the ,branches usually ascending, naked bélow, the upper part 
flexuous; spikelets crowded toward the ends of the branches, usually tinged with 
purple; glumes ovate, l-nerved, the first .5-]1 mm. long, the second a little 
longer; lemmas strongly 7-nerved, the lower 2 mn. long. 
Swamps and wet places. 
s,s sie dan seit 
