CONVOLVULACEAE _ 1081 
2. STYLISMA Raf. Herbaceous aie often prostrate. Leaf-blades 
narrow or broad, not cordate. Flowers 1-3 axillary peduncles. Sepals 
equal or nearly a pointed. Corolla ds or colored, rotate or subfunnelform. 
Capsule thin-wal [Breweria (Chapm. Fl.) (Fl. SE. U. S.) ]—Seven species, 
all. 
in the Martin United States and Taur dc ie 
Sepals glabrous or merely ciliate, elliptie, acute. 
Leaf- ET elliptic. 1. S. humistrata. 
Le lades narrowly linear. 2. S. angustifolia. 
SEPAN distinctly pubescent. 
ments densely pubescent. 
"oli iage sparingly villous: eens peduncles 1-3 em. 
long: corolla 1.5 cm. 3. S. trichosanthes. 
ng. 
ape densely brown- a oa: peduncles 4-6 cm. 
long: corolla 2 em. lon 4. S. villosa. 
Filaments glabrous or a age 
Bracts shorter than the Aonais: leaf-blades elliptic to 
narrowly lanceolate. 5. S. aquatica. 
Bracts exceeding the flowers: leaf-blades linear. 6. S. Pickeringii. 
1. S. humistrata (Walt. Chapm. Stem and ipe o leaf- = 
elliptic and subcordate to elliptic-lanceolate, 2 ong, mucronate, spar 
ly pu iva T. 2-10 mm. long: 
gy S 
idee 
cles 1- -" 
long: corolla un 15- mm. long: 
united at the base for about one-third pn 
length. '[B. humistrata A. Gray]—Pine- 
lands, and dry Ed Coastal Plain, Fla. to 
La. , Ar k., and Va. 
S. angustifolia (Nash) House. Stem 
and branches trailing, y cage TA p nt; 
ieee blades 2.5-7 em. long, pu ent or 
glabrate, acute; a M 1-2 long: 
d neles p —flowered: ed ciliate, ic 
long: oris "white, . long: 
distinct, herd to the b Hs B. 22 1. 
Na sh]—-High pinelands, pen. Fla. 
3. S. trichosanthes (Miehx.) House. Stem and branches decumbent; pubes 
cent; leaf-blades elliptie or ive druide 2.5-7 em. long, apiculate, often 
somewhat viscid; petioles 1-3 mm. long: sepals das dpud ' glabrate, elliptie 
or nearly so, mm. long, bearded at the apex: corolla white, pubescent 
without, about 1 12 mm. broad. '[B. trichosanthes Small eee de Coastal 
Plain, Fla. to Ala. and N. C. 
4 villosa (Nash) House. Stem .nd aros trailing, villous- pecie nt; 
- Du gears or aed -ovate, : 5—7 em. long, obtuse, apiculate, unded 
e base; petioles . lon sepals ‘ovate-lanceolate, 8-10 m mm. ong, 
; a Silou us: corolla rd , 15-20 m. long: eapsule 4—5 mm. in diameter, 
nearly as long as the calyx. LB. villosa "N ash ]—Dry sandy soil, pen. Fla. 
5, des Ds ) Chapm. Stem and branches trailing, Pos B 
ees blades 2.5—3 long, obtuse: peduneles a mes ves, 1-3- 
usn m FIN anceolate, acute, 4—6 long: mode ee purple, 
10-1 long: eapsule 6—8 mm. in diameter. TB. aqu udo Gray |— 
hod and shallow ponds, Coastal Plain, and adj. provinces, Fla. to Tex., ES - 
and $ V 
6. S. Pickeringii (M. A. Curtis) A. Gray. Stem and branches prostrate or 
trailing. minutely pube escent: leaf-bla des aeute - both ends, subsessile, 2—7 
em. long: peduneles rarely longer than the leaves: sepals ovate, obtuse, 
mm. long, villous: corolla white, about 10 mm. ne capsule ovate- todo dub 
