Protologue Description: Glyceria septentrionalis, sp. nov.
Culms erect, 1-1.5 m. high, thick and soft; sheaths overlapping, loose, smooth, the upper closed nearly to the summit, ligule 5-6 mm. long, decurrent; blades 1.2-2.5 cm. long, 6-8 mm. wide, nearly smooth, rather obtuse; panicle 2-2.5 dm. long, the subflexuous branches ascending, a spikelet subsessile in each axil; spikelets 8-12-flowered, 1.5-2 cm. long, subsessile or on short pedicels; glumes obtuse, scarious and shining; lemmas 4-4.5 mm. long, faintly 7-nerved, hispidulous, with a shining scarious summit, erose-obtuse, slightly exceeded by the tip of the palea.- In shallow water N. Eng. to Va. and westw.
Type collected at Guttenberg, N. J. by Wm. M. Van Sickle.