CONVOLVULACE^. (CONVOLVULUS FAMILY.) 327 



* Corolla salver-form : stamens exserted. 



1. I. COCpineE, L. Leaves petioled, cordate, acuminate, angled at the 

 base ; peduncles as long as the petioles, 3 - 5-flowered ; sepals awued ; corolla 

 slightly lobed, scarlet. — Cultivated ground. July -August. — Corolla 1' 

 long, sometimes yellowish. 



2. I. Quamoclit, L. Leaves pinnatifid, with long and linear segments ; 

 peduncles 1 - 3-flowered, the pedicels much thickened upward ; sepals ovate 

 or oblong, awuless. — Spontaneous near gardens. July - Oct. 



3. I. Bona-Nox, L. Smooth ; leaves membranaceous, cordate, acumi- 

 nate, entire, long-petioled ; peduncles very stout, 5 - 7-flowered, longer than 

 the leaves ; sepals ovate, obtuse ; the 2 outer ones appendaged ; corolla white, 

 almost salver-form; capsule ovate, pointed with the conical persistent base of 

 the style. — South Florida. — Stem sometimes prickly. Leaves 2' -3' long. 

 Tube of the corolla 3' - 4' long. 



** Corolla funnel- or bell-shaped : stamens included. 

 ■i- Capsule 3-celled. 



4. I. purpurea, Lam. Annual ; stem glandular-roughened and hairy ; 

 leaves entire, round-cordate, acuminate ; peduncles mostly longer than the 

 leaves, 3 - 5-tlowered ; sepals ovate-lanceolate, acute, mostly hairy ; corolla 

 showy, blue, purple, or variegated. — Around dwellings. Introduced. June - 

 Sept. 



5. I. hedGracea, Jacq. Annual, hairy ; leaves membranaceous, broadly 

 cordate, 3-lobed, the lobes acuminate ; peduncles sliorter than the leaves, 2-3- 

 flowered ; sepals densely hispid, ending in a long subulate point ; bracts linear ; 

 corolla purple. — Cultivated ground. July - Sept. — Corolla 1^' long. 



6. I. cathartica, Poir. Smooth; leaves cordate, 3-lobed, with the lobes 

 acuminate ; peduncles about as long as the petioles, 3 - several-flowered, with 

 leafy lanceolate bracts ; sepals lanceolate, terminating in a long subulate 

 point ; pedicels shorter than the bracts ; tube of the corolla greenish, the ex- 

 panding acutely lobed border purple. — South Florida. — Leaves \^' -2' long. 

 Corolla 3' long. 



4- -t- Capsule 2-celled, or imperfectly 4-celled. 



-M- Stem procumbent, rooting at the nodes : leaves succident. 



7. I. Pes-Caprse, Sweet. Smooth and fleshy; leaves petioled, orbicular, 

 or slightly notched at the apex, parallel-veined ; peduncles 1 - 3-flowered, the 

 ovate bracts minute ; sepals oval or oblong, obtuse, mucronate ; tube of the 

 corolla very short. Sandy coast, Florida and Georgia. August -Oct. 2/ — 

 Leaves 2' long. Corolla 2' long, purple. 



8. I. aeetOSSefolia, R. & S. Smooth and fleshy ; leaves oval or oblong, 

 cordate, notched at the apex, entire or hastate-lobed, the lateral lobes entire 

 or 2-cleft ; peduncles as long as the petioles, 1-flowered; bracts subulate; 

 sepals oblong, mucronate ; corolla obscurely lobed, white, the tube yellowish. 

 — Sandy coast, Florida to South Carolina. May- Sept. ^ — Leaves l'-2' 

 long. Corolla 2' long. 



I. Batatas, Lam., includes the different kinds of the cultivated Sweet 

 Potato. 



