470 CONVOLVULACEiE. 



Sect. 5. Pentadactylis. — Sepals membranaceous or at length leathery. Corolla usually 

 small, purple, narrowly campanulate-infimdibuiar or clavate-infundibular, gradually , 

 tapering at the base. Anthers included. Ovary 2-celled, ^-ovulate, supported by a 

 cupuliform disk. Capsule of Batatas. 



21. I. pulchella, Rth. {non Wight, non Bot. Mag). Glabrous ; leaves palmatipartite 

 nearly to the base : segments 5, entire or the exterior deeply 2-fid, lanceolate or elliptical- 

 lanceolate, pointed; peduncles ]-2-flowered, nearly as long as the leaves; sepals ovate- 

 rounded, equal, one-third to one-fourth as long as the corolla ; corolla campanulate-infun- 

 dibular ; capsule 2-ceDed, globose, much longer than the calyx : seeds pubescent, bearing a 

 little arachnoid, long icool along the margin. — Moris. 1. t. 4t.f. 5. Barrel, t. 319, 320. — 

 I. palmata, Kotschy Nub.! {non Forsk.) : Forskal's plant has "2" long" flowers. — Sepals 

 2"', corolla 6"'-8"' long, capsule 5'" diam — Hab. Antigua !, Wullschl. ; [Brazil ; trop. 

 Africa!, East Indies]. 



22. I. Cavanillesii, R. S. Glabrous ; leaves palmatipartite nearly to the base : seg- 

 ments 5, entire or the exterior 2-lobed, elliptical or elliptical-oblong, mucronulate-bluntish ; 

 peduncles 1 -few-flowered, nearly as long as the leaves ; sepals ovate, blunt, subequal, one- 

 seventh to one-ninth as long as the corolla ; corolla narrowly campanulate below the broad 

 limb; "capsule 2-celled: seeds woolly." — Cav Ic.Z. £.256. — I. pentaphylla, Cav. I. 

 Bouvetii, Walp. ! — Axils produciug minute, stipuliform bud-leaves ; sepals 2£'"-2'", corolla 

 18'" long. — Hab. Jamaica !, Pd., on the sea-coast, Westmoreland; [Guadeloupe !]. 



23. I. triloba, L. Branches pilose, glabrescent ; leaves glabrous, deeply palmatifid 

 beyond the middle, (rarefy entire, cordate-roundish) : lobes 3-5, elliptical, contracted at the 

 base, pointed, entire, exterior semicordate ; cymes umbelliform(-l -flowered), pedmicled ; 

 sepals ovate-oblong, pointed, subequal, pilose near the margin, one-third as long as the 

 corolla ; corolla narrowly campanulate below the infundibular limb ; capsule 2-celled, pilose, 

 included by the calyx: seeds glabrous. — SI. i. 97, /. 1. — 1. parviflora, V. Convolvulus 

 Sloanei, Spreng. — Sepals 3'", corolla 9'" long. 



a. Leaves deeply palmatifid. 



j8. Eustachiana, Jacq. Leaves cordate-deltoid, entire or repaud. — Jacq. Obs. 2. t. 36. 



Hab. Jamaica!, March (a, j3) ; Antigua!, Wullschl. (a, 0) ; [Mexico to Venezuela!]. 



24. I. Carolina, L. Glabrous; leaves palmatipartite to the base: segments 5 ("7 "-3), 

 entire, obversely lanceolate or linear, retuse or blunt, often mucronulate, tapering at the 

 base ; peduncles 1-2-flowered ; sepals ovate, blunt, equal, one-sixth as long as the corolla ; 

 corolla clavate : limb shortly infundibular ; ovary 2-celled ; " seeds glabrous." — Catesb. 

 Carol. 2. t. 91. — I. pentadactylis, Chois. I. radicaus, Berter. — Sepals 3'", corolla 18'" long, 

 the latter pale-pink with a shade of green. — Hab. Bahamas {Catesb.), on rocks ; Jamaica !, 

 Mac/., Wils., March; [Brazil; East Indies !]. 



Sect. 6. Xanthips. — Sepals membranaceous-leathery. Corolla obconical above the cylin- 

 drical, at length ovoid base. Anthers included, at length subcontorted. Ovary 2-celled, 

 ^-ovulate, supported by a cupuliform disk. Capsule dehiscent into 4 equal valves. — 

 Flowers yellow in our species ; leaves 2-stipulate at the base of the petiole. 



25. Z. umbellata, Mey. ! Glabrous or puberulous ; leaves cordate, entire or repand ; 

 cymes many(-few)-flowered, umbelliform, peduncled : peduncle usually exceeding the stipu- 

 late petiole ; sepals oval, blunt, subequal, connivent-imbricate, one-third to one-fourth as 

 long as the corolla ; corolla yellow ; capsule subglobose, 4-seeded : seeds brown-velvety, 

 shortly villous along the margin, — Desc. Fl. 7. t. 524. Miq. Surin. t. 37. — Convolvulus, 

 X. C. polyauthus, W. I, mollicoma, Miq. I — Leaves variable, acumiuate or cordate-del- 

 toid ; sepals 3"'-4"', corolla 1" long. — Hab. Jamaica !, Dist., Al., March, in hedges ; An- 

 tigua !, Wullschl. ; Trinidad !, Sieb. Tr. 339, Lockh., common ; [Cuba ! and Mexico ! to 

 Brazil ! ; trop. Africa !]. 



Sect. 7. Pes-caprte. — Seeds membranaceous, at length leathery. Corolla usually large, 

 campanulate-infimdibuiar. Anthers included. Ovary ^-ovulate, 2-celled or ^-celled at 

 the summit : no cupuliform disk. Capsule 2-A-valved to the base. 



* Seeds devoid of cotton ; stem usually creeping. 



26. X. pes-caprse Sw. Glabrous, long-creeping ; leaves roundish, emarginate, cuneate- 



