M. uniflora: stems 1-2 feet high, slender, elegant; leaves long and narrow; panicle reduced to an almost simple raceme with 3-4 spikelets, or having a few long, slender distant branches, each bearing several spikelets, the spikelets brownish, erect, containing one flower. - Woods and shady places. Fl. May, June.
M. nutans: stems 1-2 feet high, slender, erect; leaves erect, flat; panicle one-sided, 2-3 inches long; spikelets 10-15 drooping, two-flowered; outer glumes brown or purple with scarious edges. - Woods and shady rocky places. Fl. June.