RUBIACEAE 1253 
greenish, rd with brown or purple: tube 1.5-2 em. long; lobes as long as 
the tube or er: iint e subglobose or D ci 2 em. in diameter.— 
( FEVER- il T Sa ndy swamps, Coastal Plai QW Fla. to S. C.—Spr sum 
The numerous bright- ie foliaceous sepals ae the cmd conspicuous on the 
edges of swamps. 
. OLDENLANDIA L. Annual or perennial, often diffuse herbs, or 
woody plants. Leaf-blades mostly narrow. Flowers in axillary or terminal 
congested cymes. Sepals 4, broad. Corolla rotate, minute: tube very short: 
lobes broad. Stamens 4: filaments adnate to the base of the corolla-tube. 
Style very short or wanting. Capsule scarcely longer i the hypanthium, 
terete or angled.—About 175 species, most abundant in tropieal Asia. 
Flowers sessile or nearly so, A vd glomerate. 
Annual plants: sepals ciliate, ac 
Stee hirsute: leaf-blades ‘short: petioled. 
m gla brous: leaf-blade sile. 
etu al plants: sepals ne acusado 
Flowers on filiform pedicels and peduncles. 
O. uniflora. 
O. fasciculata. 
O. Boscii. 
O. corymbosa, 
o m 
: uniflora L. m 1-4 dm. long, often much branched: leaf-blades is 
to elliptic, 0.5-2.5 em. long: sepals about 1.5 mm. long: petals about % a 
lon e^ as the m on or nearly so, ciliate 
at t ip: capsule 1-1.5 mm. long.-—Moist 
s soil, Vm Plain, Fla. to Tex. and 
N. Y. — Spr r.—fall, or all year southward. 
2. O. fasciculata (Bertol) Small. Stem 
ng, sometimes diffusely branched: 
long.—Sandy beaches, swamps, m uddy banks 
about tide-water, Coastal Plain, Fla. to 
Miss.—Sum.-fall. 
3. O. Boscii (DC. Chapm. Stem weak, 
uiu ne branehed, 1-3 dm. long: leaf-blades linear or attenuate to 
the bases, 1-2 em. long: s sepals barely 1. o mm. lon ng: etals triangular or ovate- 
Run E about o: o mm. long, white or pu urplish: laments finely pubescent: 
capsule abou . long.—Wet soil, borders of ponds, and di bur UR 
Plain and adj. provinces Fla. to Tex. Ark., Tenn., and S. C.—Spr.- 
corymbosa L. Stem erect or Mna and diffuse, i bur long: leaf- 
blades linear to mang lanceolate, 1-4 cm. long: sepals s about 1 m. long: corolla 
white, about 2 mm. long; lobes e ‘pubescent within: nns glabrous: 
eapsule about 2 mm. long. —Roadsides and waste-places, S go Fla.— (W. I., 
A., O. W.)—Spr.- 
3. HOUSTONIA L. Annual or perennial, erect or creeping herbs. Leaf- 
blades narrow or broad. Flowers in open or compact cymes. Sepals 4, com- 
monly narrow. Corolla funnelform or salverform: tube long: lobes mostly 
shorter than the tube. Stamens 4: filaments adnate to above the middle of t 
eorolla-tube. Style slender. Capsule seated on or in the DONI flattened. 
—About 35 species, North American. 
