COXVOLVULACE/E. (CONVOLVULUS FA.MILY.) 343 



2-clcft, sprinkled wiili luiirs on both sides ; peduncles 4-anglcd, about as long as 

 tlic filifonu i)Ltiolcs, I -5-flou'crcJ ; bracts small, subulate ; corolla purple, 4-5 

 times as long as the ovatc-lanceolatc acuminate ciliate sepals; cajjsule globose, 

 4-valvcd, sliortcr tiiaii tlic calyx. (I. trichocarpa. Ell.) — Margins of swamps, 

 and cultivated grounds, Florida to North Carolina, and westward. Aug. - Oct. 

 —Leaves 1' - 1 V long. Corolla 1^' -2' long. 



4. I. triloba, L. ? Stem slender, hairy ; leaves cordate, abruptly atten- 

 uated, but obtuse at tlie apex, entire or hastate-lobed, with the lateral lobes 

 rounded, smooth below, slightly hairy above ; peduncles .3-flowercd, longer than 

 the leaves ; bracts subulate ; corolla small, purple, twice as long as t!ie oblong, 

 acute, hairy sepals ; capsule globose ; seeds slightly pubescent on the angles. — 

 South Florida. — Leaves 1' - U' long. Corolla ^' long. 



5. I. laounosa, L. Stem and leaves smoothish ; leaves cordate, obtuse or 

 acuminate, entire or 3-lobed ; peduncles 1 - 3-flowercd, shorter than the leaves, 

 often shorter than the p.'tioles; corolla small, white, twice as long as the ovate- 

 lanccolatc acuminate ciliate sepals; capsule globose, slightly hairy. — Low 

 grounds, in the mitldlc districts of Georgia, and westward. Aug. - Oct. — Ca- 

 lyx and corolla commonly longer than the preceding. 



<- ^- H- Corolla lar(/e,fitimcl-shaped, the tube elom/akd: capsule smooth : seeds of ten 

 woolbj : steins donfjatcd : leaves cordate, petiolcd, entire or 3-lobed. 



6. I. pandurata, Meyer. Stem twining, smoothish ; leaves cordate, acu- 

 minate, but scarcely acute, entire or fiddlc-sha]icd, more or less pubescent above, 

 paler and smooth beneath ; peduncles commonly longer than the jietioles, 1-6- 

 flowered ; bracts minute ; sepals smooth, oblong-ovate, obtuse, mucronatc, the 

 two outer ones shorter ; corolla white, with pointed lobes, the lube pur])lc within. 

 — Var. HAST.\TA. Stem mostly prostrate ; leaves hastatcly 3-lobcd, the lateral 

 lobes rounded ; peduncles mostly l-flowcrcd, longer than the leaves ; inner sepals 

 acute. — Kiver-banks and margins of swamps, the var. in sandv pine barrens, 

 Florida to Mississippi, and nortliward. Aug. -Oct. H. — TJoot tui)crous, very 

 large. Corolla 3' long. Cap-uic globose. Seeds woolly on tlic angles. 



7. I. Micbauxii, Sweet. Stem pubescent, stout ; leaves membranaceous, 

 deltoid, cordate but decurrent on the petiole, obtuse, plaited by the strong im- 

 pressed veins, wavy on the margins, slightly roughened above, hoary-pubescent 

 beneath ; peduncles 1 -.i-flowercd ; sepals thick, oblong, obrusc, tomcntose ; co- 

 rolla pubescent, white tinged with purple, notched at the angles of the limb, and 

 bright purple on the tube within; capsule ovate, pointed, S-valvcd ; seeds very 

 silky. (I. macrorhiza, .1//c//r.) — Light sandy soil, Florida to South Carolina, 

 along the coast. July - Sent. U — TJoot very large. Leaves 3' - .5' long, occa- 

 sionally 3-lobcd. Corolla 3' -4' long, opening at night. Ovary imperfectly 

 4-celled. 



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

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

 leaves ; sepals ovate, obtuse ; the 2 outer ones prolonged in a long filiform ap- 

 pendage; corolla white, almost salver-form; the tube very long and slender; 

 stamens and style partly cxsertcd ; capsule ovate, pointed with the conical per- 



