344 CONVOLVULACEiE. (CONVOLVULUS FAMILY.) 



Eistcnt bnsc of the style. (Calonyction spcciosum, CJiois.) — Souili Florida. — 

 Stem soinL'timcs prickly. Leaves 2' -3' long. Tube of ilio toroUu 3' - 4' long, 

 111-2" in (liaincter. 



9. I. sagittifolia, Bot. Ecg. Smooth and somewhat fleshy ; stem slender; 

 leaves sagittate, lanceolate or linear; the lateral lobes long, spreading, acute; 

 peduncles 1 -3-flo\vcred, club-shaped, shorter than tiic leaves, minutely bracted ; 

 sepals oval, rounded and purple at the apex, shorter than the ovate 4-valved 

 pointed capsule ; seeds silky on the angles; corolla brigh.t jiurple. (C. sagitti- 

 folius, j1//c//x.) — Salt mai-shes, Florida to North Carolina. July -Sept. 1|. — 

 Stem commonly 2° -3° long. Corolla 3' long. 



10. I. fastigiata, Sweet? Smooth; leaves cordate, 3-lobcd, with the 

 lobes acuminata; i)cduncles about as long as the petioles, 3-.';everal-flowcred, 

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

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

 panding acutely lobcd border purple. — South Florida. — Leaves 1^'- 2' long. 

 Corolla 3' long. 



H- -t- +- -I- Corolla bell-shaped : leaves pcdaldjj 7 -parted. 



11. I. sinuata, Ort. Stem very long, shrubby at the base, the branches 

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

 peduncles shorter than the leaves, 1 - 2-flowcred ; pedicels flattincd, dilated up- 

 ward, nodding; sepals ovate-lanceolate, acutish, smooih, half as long as the 

 corolla, widely fipveading in fruit; corolla white, purple in the throat; capsule 

 globose; seeds smooth. (Convolvulus dissectus, Mirhr.) — South Florida. 

 July- Oct. IJ. — Stem sometimes 40° long. Leaves 4'- G' wide. Corolla 1 J' 

 long. 



5. JACQUEMONTIA, Chois. 



Sepals 5, unequal. Corolla bell-shaped, 5-j)laited. Style single : stigmas 2, 

 ovate or oblong, flattened. Ovary 2-celled, 4-ovuled. Capsule 2-celled, 2-4- 

 valvcd, 4-secded. — Habit of Ipomcea. 



1. J. violacea, Chois. Stem smoothish, twining ; leaves pctioled, oblong- 

 ovate or ovatc-lanccolate, acuminate, pubescent, the lower ones slightly cordate ; 

 peduncles longer than the leaves, many-flowered ; sei)als ovate, acuminate, the 2 

 outer ones larger ; corolla small, jiurplc ; stigmas oblong, diverging ; capsule 

 smooth, 4-valvcd, shorter than the calyx. — South Florida. — Stem l°-3° long. 

 Leaves l'-2' long. Corolla J' long. Seeds roughish. 



G. CALYSTEGIA, K. Brown. 



Sepals .^), incliidc'l in the two large membranaceous brads. Corolla bell- 

 shaped. Style single : stigmas 2, oblong or cylindrical Capsule imperfectly 

 2-cclled, 4-sccdc(l. — Leaves pctioled, cordate or sagittate. IVduncles 1 flowered. 



I. C. scpium, K. Br. Smooth; stem twining; leaves broadly .sagittate, 

 acute, tli(! wide l:Ucral lobes ol>lif]iicly truncated and often toothed ; peduncles 

 4-angled, a.s long as the petioles ; bracts cordate-ovate or oblong, strongly keeled 



