8$ 
TRIANDRIA DIGYNIA. Chloris. 
mucronata. 
curtipendula. 
dimidiata . 
dactyloides. 
monostachy - 
on . 
cylindricum . 
On the gravelly sea shores of Georgia and Florida. ©. 
June. v. v. 
3. C. culmo repente, spicis plerumque 4. rachi triangulari 
mucronata, spicis subquadri floris, gluma exteriore 
aristata. — Mich.Jl amer, I . p. 5Q. 
.Aegilops saccharinum. Walt.Ji. car. 24g. 
Icon. Pluk. aim . t. 300./. 8. Wire-grass. 
In cultivated grounds: Virginia to Georgia. ©. June. 
v. v. 
4. C. culmo adscendente racemoso, spiculis plurimis bre- 
vibus distichis alternis pendulis sextioris, calycibus 
quadrifloris. — Mich.Jl. amer. 1. p. 5Q. 
In dry situations in the western parts of America, Illi- 
nois, &c. Michaux . 1/ . + • 
104. ROTTBOELLIA. Gen. pi. 1572. 
1. R. spica dimidiata compressa lineari, latere exteriore ag- 
gregato-flosculosa, interiori laevi nudo, vaginis com- 
pressis, culmo decumbente. Willd. sp. pl. 1 . p. 4 66. 
Ischaemum secundum. Walt. Jl. car. 24g. 
On the sea-shores of Carolina and Florida, v. s. in Herh. 
Walter. 
105. TRIPSACUM. Gen.pl. 1134. 
1 . T. spicis subternis aggregatis superne masculis inferne 
femineis. Willd. sp. pl 4. p. 201. 
Ischaemum glabrum. Walt.Ji. car. 24 Q. 
Icon. Pluk. aim. t. lQO.f.2. 
On the banks of rivers and along the sea-shore : Virgi- 
nia, Carolina, Illinois. 2/. Aug. v.v. 
2. T. spica solitaria superne mascula inferne feminea. 
Willd. sp pl. 4. p. 202. 
Icon. Willd . hort. her. l.t.\. 
In salt meadows and ditches : New York to Carolina. 
2/ . Aug. v • v. Not sufficiently distinct from the 
former. 
3. T. spica solitaria hermaphrodita cylindrica, spiculis con- 
tiguis in articulos secedentibus. Willd. sp. pl. 4. 
p. 202. Mich.Jl amer. 1. p. 60. 
In sandy barren fields in Florida. Michaux. 4-. 
