328 coxvoLVULACE,^. (convolvulus family.) 



*♦ *-► Stem Iwininij : leaves mostli/ S-lohid. 

 = Cupsiilc hair I/: seeds naked. 



9. I. commutata, H. & S. Annual; stem piil)esocnt; leaves cordate, 

 aruniiiiate, entire, an<;led, or S-lohei! ; peduncles ahnut as long as the i)etioles, 

 1 - 5-tio\vered ; eoroUa purjde, 4-5 times as long as tlie eiliate sepals ; capsule 

 glol)ose, 4-v:ilved, siiorter than the calyx. — Margins of s\vanii)s, and culti- 

 vated grounds. August - Oct. — Leaves 1' - 1 ^' long. Corolla 1 i' - 2' long. 



10. I. triflda, Don, var. Torreyana, (iray. I'creunial, smoothish ; 

 pcduiK'les longer than the 3-lol)ed leaves, 3- 10-H<jwered ; sepals glabrous; 

 capsules as long as the calyx ; otherwise like the preceding. — Cultivated 

 ground. Intioduccd. 



11. I. triloba, L. Stem slender, hairy ; leaves cordate, al)ruptly atten- 

 uated, but obtuse at the apex, entire or hastate-lobed, smooth below ; pedun- 

 cles 3-flowered, longer than the leaves; corolla small, purple, twice as long 

 as the hairy sepals; capsule globose ; seeds slightly pubescent ou the angles. 

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



!2. I. lacunosa, L. Stem aud leaves smoothish; leaves cordate, obtuse 

 or acuminate, entire or 3-lobed ; peduncles I -3-flowered, shorter tlian the 

 leaves ; corolla small, wliite, twice as long as the eiliate sepals ; capsule glo- 

 bose, slightly hairy. — Low grounds. August - Oct. 



= := Cajisule smooth : seeds woollij : flowers large. 



13. I. pandurata, Meyer. Stem twining, or prostrate, smoothish ; leaves 

 cordate, acuminate, entire or fiddle-shaped; peduncles commonly longer than 

 the petioles, 1 - 6-flowered ; bracts minute; sepals smooth, oblong-ovate, ob- 

 tuse, mucronate, the two outer ones siiorter ; corolla white, with pointed lobes, 

 the tube purple within. — Hiver banks aud margins of swamps, rarely in 

 sandy pine barrens. August -Oct. % — Root tuberous, very large. Corolla 

 3' long. Capsule globose. Seeds woolly ou the angles. 



14. I. Jalapa, Pursh. Stem pubescent, stout; leaves membranaceous, 

 deltoid, cordate, plaited by the strong impressed veins, hoary-pubescent be- 

 neath ; peduncles 1 - 5-flowered ; sepals oblong, tomentose ; corolla white 

 tinged with purple, notched at the angles, bright purple on the tube within ; 

 capsule ovate, pointed, 2-valved ; seeds very silky. — Light sandy soil, Florida 

 to South Carolina, along the coast. July -Sept. ^ — Root very large. 

 Leaves 3' -5' long, occasionally 3-lobed. Corolla 3' -4' long, opening at 

 uight. Ovary imperfectly 4-celled. 



15. I. sagittata, Cav. Smooth and .somewhat fleshy; stem slender; 

 leaves sagittate, lanceolate or linear ; the lateral lol)es long, spreading, acute ; 

 peduncles 1 -3-flowered, clul)-shaped, shorter than the leaves, minutely 

 bracted ; sepals oval, shorter tlian the ovate 4-valved pointed capsule ; seeds 

 silky on the angles ; corolla bright pur])le. — Marshes along the coast. July - 

 Sept. % — Stem commonly 2° -3° long. Corolla 3' long. 



-M. *+ ++ Stems twining : leaves pedately 7-parted. 



16. I. sinuata, Ort. Stem very long, woody at the base, the branches 

 muricate, hairy ; leaves smooth, with the divisions lanceolate, sinuate-toothed ; 

 peduncles shorter than the leaves, 1 - 2-flowered ; pedicels flattened, dilated 



