Glyceria melicaria
glycerie melicaire, melic mannagrass, northeastern manna grass
50-100 cm tall, 3-5 mm thick, erect.
smooth, not or only weakly keeled;
ligules 0.2-0.9 mm, translucent, rounded to truncate;
blades 25-40 cm long, 2-7 mm wide, abaxial surfaces smooth, adaxial surfaces scabridulous.
15-25 cm long, 0.8-1.5 cm wide, linear, nodding;
branches 5-9 cm, appressed, scarcely surpassing the node above, with 30-60+ spikelets;
pedicels 0.5-2 mm.
3.5-5 mm long, 1-2.5 mm wide, laterally compressed, oval in side view, with 3-4 florets.
lanceolate, veins terminating below the apices, apices acute;
lower glumes 1.3-2.4 mm;
upper glumes 1.7-3 mm;
rachilla internodes 0.4-0.6 mm;
lemmas 1.9-2.8 mm, smooth or scabridulous, 5-7-veined, veins raised, apices acute, prow-shaped;
paleas slightly shorter to slightly longer than the lemmas, lengths 2.5-4 times widths, keels well developed, not winged, tips incurved, narrowly notched between the keels;
anthers 2, 0.3-0.5 mm.
1-1.5 mm;
hila subequal to the caryopses.
= 40.
Glyceria melicaria
Glyceria melicaria grows in swamps and wet soils. Its range extends from southeastern Ontario east to Nova Scotia, south to Illinois and the northeastern United States and, in the Appalachian Mountains, to northern Georgia. Glyceria xgatineauensis Bowden is a sterile hybrid between G. melicaria and G. striata. For further comments, see p. 77.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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