.^14 COXVOLVT'LACK-K. (cONVOLVfLrS FAMILY.) 



sistcnt base of tlio style. (Calonyction spcciosum, Cfiois.) — South Florida. — 

 Stem somi'tiincs prickly. Leaves 2' -3' long. Tube of the corolla 3' - 4' long, 

 1''- 2" in dianietcr. 



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

 leaves sagitrate, lanceolate or linear; the lateral lol)cs long, S])reading, acute; 

 peduncles 1 -3-flo\vered, club-shaped, shorter than the leaves, minutely hracted ; 

 sepals oval, roimded and purple at the apex, shorter than the ovate 4-valvcd 

 pointed capsule ; seeds silky on the angles; corolla bright purple. (C. sagitti- 

 folius, il//c7/r.) — Salt marshes, Florida to North Carolina. July -Sept. U — 

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



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

 lobes acuminate; iwduneles about as long as the petioles, 3 -several-flowered, 

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

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

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

 Corolla 3' long. 



4- M- -t- -(- Corolla hell-shaped : leaves pedateli/ 7 -parted. 



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

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

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

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

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

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

 July -Oct. H. — Stem sometimes 40° long. Leaves 4'- 6' wide. Corolla 1^' 

 long. 



5. JACQUEMONTIA, Chois. 



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

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

 valved, 4-secded. — Habit of Ipomoea. 



1 ■ J. Violacea, Chois. Stem smoothish, twining ; leaves petiolcd, oblong- 

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

 peduncles longer than the leaves, many-flowered ; sepals ovate, acuminate, the 2 

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

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

 Leaves 1'- 2' long. Corolla ^' long. Seeds roughish. 



6. CALYSTEGIA, R. Brown. 



Sepals .5, included in the two large membranaceous bracts. Corolla bell- 

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

 2-celled, 4-seeded. — Leaves petioled, cordate or sagittate. Peduncles 1-flowered. 



1. C. sepium, R. Br. Smooth; stem twining; leaves broadly sagittate, 

 acute, the wide lateral lobes obliquely truncated and often toothed ; peduncles 

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



