270 



CONVOLVULACE^E. XIV. IPOMOJA. 



base. Corolla an inch long, contracted at the base, pale yellow, 

 tinged with red inside. 



Bearded Ipomoea. Shrub tw. 



55 I. POLYCA'RPA ; stems downy ; leaves ovate-oblong, mu- 

 cronate, cordate, downy above, canescent and tomentose beneath ; 

 umbels axillary, nearly sessile, shorter than the leaves ; sepals 

 ovate, acuminated, downy, nearly equal. It . '"'. S. Native of 

 Mexico, near Regla and Omitla, at the altitude of 1100 hexa- 

 pods. Convolvulus polycarpus, H. B. et Kunth, nov. gen. 8. 

 p. 98. Stem terete, downy. Leaves obtuse, mucronate, 10 

 lines long, and 4 broad. Umbels 6-8-flowered. Corolla funnel- 

 shaped, of a violaceous rose-colour, glabrous ; limb plicately 5- 

 toothed. Capsule glabrous. 



Many-fruited Ipomoea. PI. tw. 



56 I. POLYA'NTHES (Roem. et Schultes, syst. 4. p. 234.) leaves 

 cordate, acute, glabrous, on longish petioles ; umbels peduncu- 

 late. If.. ^. S. Native of Martinico, St. Domingo, Jamaica, 

 and Cuba, about the Havannah. Conv. umbellatus, Lin. spec. p. 

 221. Desr. in Lam. diet. 3. p. 555. Plum. icon. 88. t. 102. 

 Petioles furnished with 2 stipulas at the base, which run down 

 the stem. Peduncles rather angular, thickened at the apex. 

 Corollas small, yellow, with a tinge of green, very like those 

 of a species of Primula. Capsule clothed with silky yellow 

 tomentum. 



Many-flowered Ipomcea. Fl. June, July. Clt. 1739. Plant 

 twining. 



57 I. PRIMBUEFLORA ; suffruticose, downy ; leaves cordate, 

 acute, with the hind lobes obtuse ; petioles pilose ; peduncles 

 long, many-flowered ; flowers umbellate. 1? . '"X S. Native of 

 Sierra Leone, on the banks of rivers and rivulets. Flowers 

 small, yellow. 



Primrose-flowered Ipomoea. Shrub twining. 



58 I. VERRUCOSA (Blum, bijdr. p. 718.) leaves cordate-ovate, 

 acute, ciliated, smooth ; peduncles elongated, thick, bearing 

 umbels ; sepals oval, nearly equal : outer ones warted ; stems 

 downy. 7/f . ^. S. Native of Java, in marshes near Batavia. 

 Flowers dark purple, with a lilac limb. 



Var. j3 ; leaves spotted. 



Warted Ipomcea. Fl. Year. PI. tw. 



3. Leaves cordate, hastately cordate, or hastate, with entire 

 edges. Flowers not crowded into heads. Capsules and sepals 

 middle-sized. 



* Peduncles \-flowered. 



f" Leaves cordate. 



59 I. SINE'NSIS (Choisy, in mem. soc. phys. gen. 6. p. 469.) 

 plant very hairy ; leaves cordate, acute, mucronulate, hairy on 

 both surfaces ; peduncles 1 -flowered, shorter than the petioles ; 

 outer sepals cordately cuneated at the base, acuminated at 

 the apex. 0. ^. H. Native of China. Convolvulus Sinen- 

 sis, Desr. in Lam. diet. 3. p. 557. Conv. Ser, Spreng. syst. 1. 

 p. 598. Stem terete, beset with retrograde white hairs. Leaves 

 3-4 inches long, and 2-3 broad ; hind lobes approximate. Inner 

 sepals lanceolate, acute. Corolla campanulate. 



China Ipomcea. PI. tw. 



60 I. AIBIVE'NIA ; stems tomentose ; leaves roundish-cor- 

 date, somewhat repand, having the veins elevated and woolly 

 beneath; peduncles 1 -flowered, shorter than the petioles, but 

 the flowers are much longer than the leaves ; calyx glabrous : 

 the 2 outer sepals larger, and the 3 inner obtuse. J; . ^. S. 

 Native of Algoa Bay. Conv. albivenius, Lindl. bot. reg. 1116. 

 Adult stems nearly glabrous, tubercular. Flowers terminating 

 the branchlets, solitary. Corolla large, having the tube dirty- 



white outside, and purple inside ; limb white, with obcordate 

 lobes, and yellow plicas. 



White-veined-\ea.vei\ Ipomoea. Clt. 1824. Fl. Sept. 



61 I. OCHRA'CEA ; stems terete, pilose ; leaves cordate, acu- 

 minated, entire, and are, as well as the petioles, pilose ; pedun- 

 cles pilose, 1 -flowered, shorter than the petioles; calyx downy, 

 with nearly equal, ovate-acute sepals. Q. / " 1 . S. Native of 

 Guinea, on the gold coast. Conv. ochraceus, Lindl. bot. reg. 

 t. 1060. Limb of corolla flat, with apiculated, crenulated 

 lobes. Stigma small, capitate. Corolla of orange-yellow colour, 

 having the tube deep purple inside. Nearly allied to /. 06- 

 scura, Ker. bot. reg. 239. but that plant is glabrous. 



OcAraceows-flowered Ipomoea. Fl. Aug. Clt. 1826. PI. tw. 



62 I. DISCOLOR ; stems striated, downy ; leaves ovate, deeply 

 cordate, obtuse, mucronate, very soft, pubescent above, but 

 clothed with white tomentum beneath ; peduncles 1-flowered, 

 longer than the leaves ; sepals oblong, obtuse, downy. If. . ^. 

 S. Native on the banks of the river Orinoco, near Carichana, 

 where it is called by the natives Corazonc'dlo. Conv. discolor, 

 H. B. et Kunth, nov. gen. 3. p. 105. t. 212. Conv. leuco- 

 phy'llus, Willd. herb, ex Roem. et Schultes, syst. 4. p. 301. 

 Leaves an inch long ; hind lobes rather diverging. Peduncles 

 downy. Corolla violaceous, downy outside, funnel-shaped. A 

 decoction of the leaves of this species is used in gonorrhoea by 

 the natives. 



Discoloured-\eaveA Ipomoea. PI. tw. 



63 I. CILIOLA'TA (Pers. ench. 1. p. 183.) glabrous; leaves 

 finely cordate, with the edges a little ciliated ; peduncles rather 

 long, 1-flowered; calyx bractless; sepals broad-oval, obtuse; 

 corollas tubularly-campanulate. 1.''\ H. Native of Tennessee, 

 at Knoxville. Ip. ciliosa, Pursh, fl. amer. 1. p. 146. Conv. 

 ciliolatus, Michx. fl. amer. bor. 1. p. 137. 



Ciliated-leaveA Ipomoea. PI. tw. 



64 I. SOLANIFOLIA (Lin. spec. 226.) leaves cordate, acute ; 

 peduncles J -flowered, solitary, equal in length to the leaves. 



$ . ^\ S. Native of America. Willd. spec. 1. p. 881. Convol- 

 vulus solanifolius, Spreng. syst. 1. p. 596. Quamoclit solani- 

 folia, flore roseo. Plum. spec. 3. Burm. amer. icon. 94. f. 1. 

 Tourn. inst. p. 116. Corolla tubular, rose-coloured. Genitals 

 exserted. Leaves acuminated. Perhaps a species of Quamoclit. 

 Solanum-leaved Ipomcea. Fl. July, Aug. Clt. 1759. Plant 

 twining. 



65 I. PU'LCHUA (Blum, bijdr. p. 716.) leaves cordate-ovate, 

 mucronulate, entire, smooth above, and rather downy beneath ; 

 peduncles 1-flowered, about equal in length to the petioles ; 

 sepals roundish, rather silky. If.. ? / " v . S. Native of Java, and 

 the Moluccas. Corolla large, funnel-shaped, purplish. 



Far. ft ; leaves acuminated, with a mucrone ; peduncles 

 longer than the petioles. 1 . ? ^. S. Native of the Island of 

 Timor. 



Fair Ipomoca. Fl. Year. PI. tw. 



66 I. IEUCA'NTHA (Jacq. coll. 2. p. 280. icon. rar. 2. t. 318.) 

 glabrous; leaves cordate, acuminated; peduncles 1-flowered; 

 solitary, shorter than the leaves ; sepals broad, short, acutish. 

 O '"' S. Native of tropical America. Scop, del insub. fasc. 2. 

 t. 4. Willd. spec. 1. p. 881. Conv. leucanthus, Desr. in Lam. 

 diet. 3. p. 541. Ip. Philadelphia, Hort. Leaves sometimes 

 repand. Corolla white, hardly twice as long as the calyx, which 

 is acuminated. Seeds blackish-brown. 



White-flowered Ipomoea. Fl. Aug. Oct. Clt. 1823. Plant 

 twining. 



67 I. ACULEA'TA (Blum, bijdr. p. 715.) glabrous ; leaves 

 roundish-cordate, acuminated, entire ; peduncles axillary, shorter 

 than the petioles, thickened, 1-flowered ; sepals roundish ; tube 

 of corolla elongated ; stem triquetrous, and prickly at bottom. 



