24 
Cenchrus echinatus L.—Tallahassee and Jacksonville, Fla. „in cultivated fields; at 
Jacksonville common in waste ground in the cit 
we incertus M. A. Curtis.—Mobile, Ala.; Auguste, Ga., in dry, sandy soil; at 
gusta in cornfields. 
"dona tribuloides.L. a Carrabelle, Ai, and TNA Island 
F Vilmington, N. C dry, sandy soil, seabeaches, roadsides, ete. Con- 
tains at least two v ANETAR or possibly species. One (collected 5 Wilmingtém) 
has rather few, large involucres with stout spines. The other (collected at Tal- 
lahassee and Apalachicola) is a more slender plant, with more numerous, smaller 
involucres with slender, straw-colored spines. On Anastasia Island was col- 
ii a form of the large-flowered variety with long, straggling culms that 
hemselves on the bushes. 
S Dd RM americanum Schrank.—St. Augustine, Fla., along Marine street and 
about the old fort. Probably originally planted there. Saw a number of seed- 
lings growing out of the coquina walls of the fort itself. 
_ORYZEA. 
Hyárochloa Caroliniensis Beauv.—Mobile, Ala.; cera: Ga., in clear, usually run- 
ning water, most frequent in the pine barrens. Alius abouk. Mobile. Not 
seen in ce The slender culms are often 2 feet or more in length, rooting 
at the lower nodes. In shallow water the summits of the eulms appear above 
the surface, while in deeper water the uppermost leaves float upon the surface. 
Leaf blades dull green above, purplish beneath. 
Zizaniopsis miliacea Doell & Asch.—Mobile, proe ; Apalachicola, Fla; dpi. 
N. C., in swamps and ditches, preferring alluvial mud. Sterile shoots er« 
flowering ones strongly geniculate, rooting at the joints. 
Zizania aquatica L.—Wilmington, N. C.; Suffolk and Norfolk, Va., in marshes near je 
a. 
Leersia hexandra Sw. Mobile, Ala.; Tallahassee and Jacksonville, Fla.; Wilm 
ton, N. C., swamps, ditches, aud borders of ponds. Much ae in Nn. 
fiver swamps, where it grew among Spartina polystachya, than I have seen it 
elsewhere. There, and at Wilmington, the spikelets were largely affected with 
an ergot-like dise eaii Specimens ‘collected at Tallahassee have very large flow- 
ers. Spikelets fédilish brown, turning a dull brown purple 
Leersia oryzoides Sw.—Norfolk, Va., in bogs. 
AGROSTIDEL, 
cid fl Ell.—Jacksonville, Fla., upon a railway embankment. A large form, 
as No. 4043, A. H. Curtiss (1893 : 
a 55 minor Vis Lpaladkicohs and Jacksonville, Fla., dry, sandy 
bend the open. 
Ari e is Ell.—Apalachicola, Fla., in moist pine barren ie 
ok stricta Michx.—Apalachicola, Fla.; Aiken, S. C.; Wilmiagton, Nec: dry 
pue So abundant almost every where in the low santey. y 
Stipa av ,N c. „in dry pine barrens. Still in flower Aug ue 
Stipa Retina Trin. —Mobile, Ala. about wharves; introduced from South America. 
Muhlenbergia capillaris trichopodes Vus -Jqueksbuv ville, Fla., in dry soil, but always 
ie near ditches. The panicle has a whitish color. 
Muhlenbergia Mexicana Trin.—Knoxville, Tenn., banks of Tennessee River; not yet in 
«flower. 
leum pratense L.—Polk County, Tenn.; ; Selma and Mobile, Ala.; Apalachicola, 
ed ; Norfolk, Va., along railways and diese At t Mobile and Apalachicola | 
form grew among driftwood on the bea 
Sporobolus e curtissii Small (Sporobolus Pariani oia ena in Leve — Jackson. 
growing in open ind. along rai “Amu 
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