524 
MONOECIA TRIANDRIA. 
With this species of Michaux I am unacquainted, unless, as I suspect, it 
belongs to an undescribed species of Rottboellia. 
Grows on the sand hills of Florida. Mich. 
Flowers — 
MANISURIS. 
Masculi: Gluma 2- 
valvis, valvibus lanceo- 
latis, flexuosis. Co- 
rollas tantum rudimen- 
tum. Stam. Pist. Nect. 
plerumque abortientia. 
Herm: Gluma bival- 
vis, valvula exteriore 
subrotunda, cartilagin- 
ea. Corolla 2-valvis. 
Stamina 3. Styli 2. 
Semen 1. 
1. Granularis. Lin. 
M. florum foemineo- 
rum globosorum valvu- 
lis calycinis tesselato 
verrucosis; culmo erec- 
to, ramoso; vaginis hir- 
sutis. 
Gen. Pl. 1570. 
Malejlorets: Glume 
2-valved, valves lance- 
olate, flexuous. Of the 
corolla only a rudi- 
ment. Stamens, styles, 
and nectarium fre- 
quently wanting. 
Fertile Jlorets: Glume 
two-valved, the exteri- 
or nearly round, carti- 
laginous. Corolla 2- 
valved. Stamens 3. 
Styles 2. Seed 1. 
Calyx of the glo- , 
bose fertile floret 
verrucose, tesselated; 
stem erect, branching; 
sheaths hirsute. 
Sp. pi. 4. p. 945. Mich. l.p. 75. Nutt. 1. p. 81. 
Root annual? Stem erect, two to three feet high, branching, hairy, sca- 
brous particularly near the base. Leaves three to eight inches long, two to 
five lines wide, acute, keeled, hairy, terminating in an open sheath more 
hairy than the blade, roughened as well as the stem with small glands from 
which the hairs arise. Flowers in small spikes, lateral and terminal. Spikes 
generally fasciculate, each surrounded at base by a sheath, and bearing 
flowers on one side. Sterile florets (in this species generally neuter) alter- 
nating regularly with the fertile along the somewhat flexuous rachis, two- 
