CONVOLVULACEAE 1085 
Sepals 8-10 mm. long: stem usually 
pubescent and twining. 
Annual: ine pubescent, at least the sepals 
ilia 
Hi 
2. I. tiliacea. 
| 
C2 
Corolla E em. long, p 
Corolla less than 3 € ng. 
eduncles Sholler- nun the petioles: 
corolla-tube white, 14. I. lacunosa. 
Peduncles longer than the petioles: 
corolla- E purple. 15. I. triloba. 
Leaf-blades E 5-1- -part 
Peduncles stout, short, 1-9- Aor red. 16. I. cairica. 
Peduncles fili form, sometimes "tendril- like, 1-2-flowered. 17. I. heptaphylla. 
. I. trichocarpa. 
II. FISTULOSAE 
Perennial plants; leaf-blades entire, ovate: corolla puberulent 
without : seeds 'shaggy- -pubescent. 18. I. fistulosa. 
I. stolonifera (Cyrill) Poir. Leaf-blades 2-5 cm. long, the early ones 
ovate to elliptie, the later ones pandurate or more pc lobed, mic trun- 
a or re A the base: sepals elliptic 
val, 
| 
m ; 
littoralis (L.) Boiss. I. [0 d R. & 
a we s n Fla. and 
—(W. IL., Ay 
, €. A., 
2. I. id ae a Sweet. Leaf-blades 
lon 
.5 
—Coastal sand- dunes, Fla. to Tex 
and Ga. —(W. I.) 
3. I. angustifolia Jacq. Eoi blades linear 
or linear-lanceolate, 3—5 c ur acute: bid nl dar ns em. long: 
sepals unequal, ovate, acute, mm. long: 1-2 ong: eapsule 
globose, 8 mm. in di ameter: des smooth. bcd TIS d waste-places, 
Coastal Plain, Brunswick, Ga., and at other southern ports. Nat. of Africa. 
—GF. I.). 
4. I. tenuissima Choisy. Stems twining: leaf-blades laneeolate or linear- 
lanceolate, 2-5 cm. long, obtuse and mucronulate: sepals ov ate-lanceolate, 
obtuse, ciliate : corolla purple, 3—4 em. lon DE: capsule globose. - Pinel lands, Ever- 
glade Keys, Fla. and Florida Keys.—(W. I.)—AIl yea 
5. I. sagittata Cav. Leaf-blades 3-10 em. long, sagittate or hastate- bM. 
the m DU linear or eR the basal ones about half as long as the 
terminal one: sepals 6-9 m m. long: corolla 5-6 em. lon [I. speciosa Walt. 
d ges Nude swamps, and low Renard Coastal Plain and Adi. provinces, 
Fla. to Tex. and N. C. 
6. I. setosa Ker. Leaf-blades orbicular-ovate, deeply 3-lobed; petioles, pedi- 
cels, and calyces bristly with spreading pu rplish setae: pedun cles 3—9-flowered ; 
S COE thickened: sepals elliptic, 10—14 mm. lo ong, accrescent in fruit: corolla 
purple, 5-6 em. long: capsule 4-celled: seeds ‘hai airy on the a .— (BRAZILIAN 
MORNING-GLORY. )— Waste- -places, Coastal Plain, Fla. to La. Nat. of Brazil. 
7. I. macrorhiza Michx. Leaf-blades broadly ovate, 5-15 em. long, erose- 
erenulate or lobed, truncate or subcordate at the base, aera fai 
en elliptie- -lanceolate, obtuse, 1.5-2 em. long: corolla "white, 
limb 5-10 em. broad: seeds with one I villous wool. '[I. Talana Pun 
Sandy soil, on or near the coast, Fla. and S. C. 
