994 
<7» Beckuaannia Host, 
Stout annuals with broad flat blades and rather long dense panicles, 
vpikelcts l-flowered, disarticulating below the lumes, laterally compressed, 
circular in outline, densely imbricate in two rowS on one side of a continuous 
achiss; glumes equal, inflated, rounded, the apex apiculate, lemm:s narrow, 
o-nerved, acuminate waitwed, about as long as the glumes. 
1. Be syzigachne (Steud.) Fernald, sSloughgrass, Culms stout, erect, 45@> =| 
G00}—4«> on. tall; sheaths smooth; ligules brominent, about 5 mm, long; blades 
flat, appressed or ascending, scabrous on both surfaces, 10-25 cm, long, 
4-10 mm, wide; panicles narrow, dense, 15-30 em, long, the short branches 
appressed or stiffly spreading, 
Moist meadows, sloughs, and along ditches, Until recently this has 
beon reforred to a Juropean species, b, ervcaeformis (L.) Host, 
25@ Spartina Schreb, Cordgrass. 
Stout perennials with scaly rhizomes and numerous ascending or 
spreading spikes along a common axis; spikelets l-flowered, laterally 
comoressed, sessile and closely imbricate on one side of a continuous 
rachis, disarticulating below the glumes; glumes keeled, l-nerved, avmed 
‘(in our svecies); lemmas keeled, firm, l-nerved; palea 2=nerved, keeled 
between the nerves, a little longer shan the lemmas, 
1. Se pectinata Link, Prairie Vordgrass. Culms stout, erect from strong 
rhizomes, as much as 140 cm, tall; sheaths smooth; blades firm, scabrous 
above, smooth beneath, as mich as 8 mm, wide, attenuate to a long fine point; 
glumes hispid on the keels, the second about tarice as long as the first, the 
avm un to 7 mm, long; lemmas hispid on the kecls, narrowed to a rather 
obtuse, 2-lobed ancx, 
5 
u sandy lake shores and roclyy river banks. Coeur d'Alene; vhompson, 
2000 ft.3; Lake Tessenini, 
