134 BULLETIN 772, U. S. DEPARTMENT OF AGRICULTURE. 
China arundinacea (fig. 72), with somewhat contracted panicle and 
spikelets 5 mm. long, grows in moist, usually shaded places in the 
eastern United States; 0. latifolia 
(Trev.) Griseb., with open panicle 
and spikelets 4 mm. long, grows in 
damp woods across the continent in 
the northern part of the United States, 
mostly at medium and high elevations. 
Fig. 72. — Wood reed-grass, China arundinacea. 
Plant, X I ; spikelet and floret, X 5. 
Both species furnish ex- 
cellent forage, but are usu- 
ally not abundant enough 
to be of much importance. 
Limnodea L. H. Dewey. 
Spikelets 1-flowered, 
disarticulating below the 
glumes, the rachilla pro- 
longed behind the palea as 
short, slender bristle ; 
glumes equal, firm ; lemma 
membranaceous, smooth, 
nerveless, 2-toothed at the 
