POACEAE 91 
U. $.)]—In water, lakes, ponds, and river-shores, Coastal Plain, Fla. to La. 
and Md. 
42. LUZIOLA Juss. Creeping low or delicate monoecious od als, 
with narrow flat blades and terminal and axillary panicles. Spi s l-flow- 
ered, the staminate and pistillate flowers in separate panicles: pus glume 
and palea wanting: second glume and lemma about equal, thin, several- to 
many-nerved, lanceolate or oblong: stamens several: stigmas long, plumose. 
Grain free, globose, smooth.—Six species, mostly in tropical America 
eei Ed oroi about 2 mm. long: staminate and pistillate inflorescences 
n the same 1. L. peruviana. 
Pistillate E EOS obTon x E N 4 mm. long: staminate and 
pistillate inflorescence on different shoots. 2. L. bahiensis. 
1. L. peruviana J. G. Gmel. Stem tufted, decumbent or stoloniferous: blades 
ascending, the pis ae oar 
flexuous.—Ditches and wet places, Coastal 
Plain, Fla. to La—(W.1 Men. C. A., . A.) 
2. L. bap d i ) A. m ee 
sending ou slender S: 
blades acuminate, ‘gradually Rec " “the 
base, narrower the sheath, 5-20 em. 
wide: pes nicle shorter than the 
leaves, "e oe branches fin ally spreading 
or A [L. Me di en Chapm. | —In 
wa lagoons and stream-banks, 
ee al Plain, Ala. ud Miss. 9 ph 
43. aged Qd i Doell. & Aschers. Robust monoecious marsh peren- 
nials, with stout bees rootstocks, flat leaf-blades and large open panicles. 
Spikelets Hr red, the 2 kinds 
same branches s the paniele, the ces 
lets: lemma 3-nerved: palea wanting: sta- 
mens 6: styles rather long, united: cary- 
opsis obovate, free, coriaceous, smooth and 
shining, beaked with the persistent style.— 
Three. species, the ponowane: and two in 
South America. 
1. Z. amend (Michx.) Doell & Aschers. 
Stem as 1 as 4 m. tall, the rootstocks 74 | 
Seet ‘with pone overlapping scales: leaf-blades as much as 1 m. long and 3 
em. wide, the aed e xs pithy, the margins ie doi paniele as 
‘much as 60 em. spikelets 5-8 mm ania miliacea Michx.]— 
(WATER-MILLET. joa (ed c and moist us Coastal Plain, Fla. 
to Tex., Okla. and Va. 
44. ZIZANIA [Gronov.] L. Tall monoeeious aquatie annuals; ours with 
flat blades, and large terminal panicles, the staminate spikelets pendulous on the 
