472 CONTOLVULACEjE. 



Sect. 8. ExoGONiUM, Chois. — Sepals membranaceous, at length leathery. Corolla tubular- 

 salvershaped : tube cylindrical. Anthers exserted during the expansion of the limb. 

 Ovary i-evulate, ^-celled or it-celled at the summit : disk short, annular. Capsule 

 4i{-6)-valved. 



33. I. revaviAa., Jacj. Glabrous; leaves cordate-acuminate, entire or repand ; cymes 

 usually many-flowered ; sepals ovate-roundish, rounded, coloured, cue-sixth to one-fonrth 

 as long as tlie coroUa, 3 exterior rather shorter ; corolla crimson : tube about 4 times as long 

 as the 5-partite limb, lobes oblong-lanceolate ;■ capsule ^-celled below the ^-celled summit : 

 seeds fimbriate along the margin, glabrous on the faces. — Jacq. Amer. Pict. t. 37. — ^Exo- 

 goniura, Chois. — Boot "with small tubers;" sepals 3'", corolla-tube 14"-l"long. — Hab. 

 Antigua!, PTaWicW., Dominica !, /mr. ; [Cuba to French islands!]. 



34. I. filiformis, Jacq. Glabrous ; leaves ovate-oblong, slightly cordate at the base, 

 mucronate-bluntish ; cymes lax ; sepals ovate-roundish, with a bluntish point, suhequal, 

 one-eighth to one-sixth as long as the coroUa-tube ; corolla pale-purple : tube about 4 times 

 as long as the 5-fld limb : lobes ovate ; capsule %-ceUed: seeds glabrous, uarrowly 3-winged. 

 — Jacq. Amer. Pict. t. 36. — Exogonium, Chois. — Sepals li'", corolla-tube 9"'-13"' long. — 

 Hab. ATiti.gaa\, Nichols., Wullschl., S.Yiacent I, Guild.; [French islands !]. 



35. I. arenaria, Steud. Glabrous ; leaves subcordate-deltoid or deeply 3-lobed : lobes 

 lanceolate-oblong ; pednncles l-3(-" many") -flowered ; sepals orbicular qr ovate-rounded, 

 subeqnal, oiie-third to oue-fourih as long as the corolla-tube ; corolla crimson : tiibe 3-3 

 times as long as the repand limb ; ovaiy 3-celled below the summit. — Chois. in Mem, 

 Genhie, 8. t. 1. — Sepals 3'", whole corolla, when closed, IV'-l" long. — Hab. Bahamas !, 

 Swains.; [Portorico to S. Thomas !]. 



Sect. 9. QuAMOOLiT, T. — Sepals membranaceous. Corolla tubular-salvershaped : tube 

 clavate. Anthers exserted. Ovary i-celled, i-ovulate : disk annular. Capsule 3-4- 

 valved. 



36. I. Quamoclit, L. Glabrous ; leaves subsessile, pinnatipartite : segments filiform, 

 pointed, entire or the inferior 2-fid ; peduncles 1^3-fiowered ; sepals ovate, blunt, mucronate, 

 one-fourth as long as the corolla-tube, 2 exterior- shorter ; corolla crimson (or white) ; tube 

 3-4 times as long as the 5-lobed Umb ; capsule 4-celled : seeds compressed, glabrous. — 

 Hesc. Fl. 6. t. 415. — Quamoclit vulgaris, Chois. — Sepals 3"', coroUa-tube 1" long. — ^Hab. 

 Jamaica; S. Kitts!, Antigua!, Wullschl., S. Vincent !, .Gw^flt. ; [Portorico! to Brazil!; 

 Madeira ! ; East Indies !]. 



Sect. 10. MiNA, Llav. — Sepals membranaceous, mostly terminated by a herbaceous, filiform 

 appendage. Corolla tubular-salvershaped : tube clavate. Anthers exserted. Ovary 

 i-celled, i-ovulate, supported by a cupuliform disk. Capsule splitting into irregular 



37. 1. coccinea, Z. Glabresoent; leaves cordate-deltoid, repand, or sinuate-dentate 

 below, (rarely 3-lobed) ; cymes lax ; sepals subequal, about one-sixth as long as the corolla- 



I tube ; -appendage as long as the oval-subtruncate lamina ; corolla scarlet, variegated with 



,, orange, (rarely wholly orange) : tube thrice as long as the 5-lobed limb ; capsule 4-celled : 



'^ seeds 3-gonal, rugose, puberulous. — Bot. Mag. t. 331. — Quamoclit, Mch. I. luteola, Jacg. 



{Ic. Bar., t. 35) : the orange-flowered form. — Sepals (the appendage included) 3"'-3i"' long. 



o. CoroUa-tube straightish, ia"'-15"' long. 



;8. curviflora. CoroUa-tube curved, 18"'-15"' long. 



Hab. Jamaica I, March {$) ; Antigua!, Wullschl. (a) ; natui-alized in 'friuidad !, Or., (a) ; 

 , [Virginia ! to Peru ! ; East Indies I to the Cape !]. 



38. I. hedersefolia, £. Glabrous; leaves cordate-S-lobed : lobes deltoid, subentire ; 

 cymes lax ; sepals subequal, one-sixth as long as the coroUa-tube : appendage as long as the 



^' oval-subtruncate lamina; corolla purple : tube curved, 4 times as long as the repand Umb ; 

 capsule 4-ceUed : seeds 3-gonal, rugose, puberulous.— 5oi. Mag. 1. 1769.— QuamocUt, Chois.- 

 I. sanguinea, F.-Perhaps a variety of the preceding ; sepals 2'", coroUa-tube 13"'-18"' long. 

 — Hab. Jamaica!, Dist. ; [Mexico! to BrazUI]. 



