276 



CONVOLVULACEjE. XIV. 



Acute anglecl-leaved Ipomoea. PI. tw. 



126 I. HERMA'NNIJE ; leaves oblong, acute, sagittately cor- 

 date, sinuately repand towards the base, clothed with silky to- 

 mentum on both surfaces, hoary ; peduncles axillary, 2-flowered, 

 longer than the leaves ; sepals ovate, acuminated, downy, nearly 

 equal. 3.'" > . S. Native near Truxillo, on the shores of the 

 Pacific. Conv. Hermannise, Lher. stirp. nov. fasc. 4. p. 67. t. 

 33. Ruiz, et Pav. fl. per. 2. p. 10. H. B. et Kunth, nov. gen. 

 3. p. 98. Willd. spec. 1. p. 862. 



Hermann's Ipomoea. PI. tw. 



127 I. STIPULA'CEA (Sweet, hort. brit. p. 289. Choisy, in mem. 

 soc. phys. gen. 6. p. 466.) smooth; leaves cordate-sagittate; 

 auricles usually repand, glabrous ; petioles bistipulate at the 

 base ; peduncles 3-6-flowered, equal in length to the petioles ; 

 sepals ovate, equal, concave. If.. '"\ S. Native of Chittagong. 

 Conv. stipulaceus, Wall. fl. ind. 2. p. 71. Stems terete, creep- 

 ing at base, and twining at apex. Leaves 2-3 inches long. 

 Stipulas recurved, acute. Peduncles and pedicels clavate. Co- 

 rollas showy, white, with obcordate lobes. Capsule globose. 

 Seeds clothed with olive-coloured wool. 



Stipulaceous Ipomoea. Fl. Aug. Sept. Clt. 1805. PI. tw. 



128 I. PULCHE'LLA ; glabrous ; leaves ovate-oblong, much acu- 

 minated, hastately cordate, angularly toothed at the base ; pe- 

 duncles axillary, 1 -flowered, longer than the leaves ; sepals 

 oblong, obtuse, glabrous, nearly equal. Q. ^.S. Native of 

 Peru. Conv. pulcbellus, H. B. et Kunth, nov. gen 3. p. 101. 

 Conv. pauciflorus, Willd. rel. ex Rcem. et Schultes, syst. 4. p. 

 '302. Stems rather angular. Hind lobes of leaves diverging. 

 Corolla funnel-shaped, glabrous, purple, size of those of Conv. 

 arvensis. Capsule globose, glabrous. 



Neat Ipomoea. PI. tw. 



129 I. SUFFU'LTA ; hairy; leaves roundish-ovate, acuminated, 

 deeply cordate, angularly toothed; peduncles 1 -flowered, propped 

 each by a cordate bractea or leaf; sepals oblong, acutely acumi- 

 nated, glabrous: outer ones rather the smallest. If.. ^. G. 

 Native of Mexico, on the burning mount Jorullo, at the altitude 

 of 580 hexapods. Conv. suffultus, H. B. et Kunth, nov. gen. 3. 

 p. 103. Peduncles distant, solitary, on the axils of the upper 

 leaves or bracteas. Corolla funnel-shaped, size of those of 

 Calyslegia sepium, glabrous, purple. Stigmas granular. 



Propped Ipomoea. PI. tw. 



130 I. FASTIGIA'TA (Sweet, hort. brit. p. 288. ) glabrous ; leaves 

 cordate, acuminated and mucronulate, entire, sinuated, fiddle- 

 shaped, or 3-lobed; peduncles exceeding the petioles, 3-12- 

 flowered, cymose ; sepals lanceolate, mucronately awned ; outer 

 ones the shortest. If.. r> . S. Native of the West India Islands, 

 Guiana, and Bengal. I. platanifolia, Roem. et Schultes, syst. 4. 

 p. 220, exclusive of the syn. of Plukn. Ip. cymosa, Meyer, ess. 

 p. 99, but not of Roth. Conv. fastigiatus, Wall. fl. ind. 2. p. 

 48. Conv. platanifblius, Vahl, symb. 3. p. 26. Conv. Esse- 

 quibensis, Spreng. syst. 1. p. 600. Feuill. per. 3. p. 16. t. 1. 

 Stems terete. Stolons long, creeping along the earth. Leaves 

 2-3 inches long. Corolla showy, purple, glabrous. Capsule 

 smooth. Seeds glabrous. Leaves, like the young branches, often 

 tinged with purple, particularly the margins, veins, and nerves. 



Var. ft ; stem angular ; peduncles elongated, few or many- 

 flowered ; sepals short, or long-awned ; also the leaves and 

 veins are downy. 



Fastigiate Ipomcea. Fl. Ju. Aug. Clt. 1816. PI. tw. 



131 I. DENTICULA'TA (Choisy, in. mem. soc. phys. 6. p. 467.) 

 glabrous ; leaves cordately hastate, quite glabrous : auricles 

 obtuse, and laterally unidentate ; peduncles 1-flowered, shorter 

 than the petioles ; sepals ovate, obtuse, sometimes mucronulate. 

 y. . / *\ S. Native of the island of Rawak, and the Society 

 Islands, &c. Conv. denticul&tus, Desr. in Lam. diet. 3. p. 540. 

 Conv. Isevigatus, R. Br. herb. Stems terete. Leaves obtuse, 



mucronulate, 1-2 inches long. Corolla l inch long, glabrous, 

 with a hardly spreading limb. This species varies with many- 

 flowered peduncles, and in the auricles being rounded. 

 Denticulated-leaved Ipomcea. PI. tw. 



132 I. PUDIBU'NDA ; glabrous ; leaves cordate, entire, and 3- 

 lobed, acuminated ; peduncles many- flowered, shorter than the 

 petioles ; sepals ovate, acute, somewhat foliaceous ; limb of 

 corolla 5-lobed. 0. ^. S. Native of St. Vincent. Convol- 

 vulus pudibundus, Lindl. in bot. reg. t. 999. Corolla of a fine 

 rose-colour ; tube subcylindrical, inflated. 



Blush Ipomcea. Fl. Aug. Sept. Clt. 1822. PI. tw. 



133 I. MONTE VIDE'NSIS; leaves hastate, lanceolate, smoothish ; 

 auricles divaricate, emarginately angular ; peduncles 2-flowered, 

 exceeding the petioles; sepals scarious. If.? 7 " 1 . S. Native 

 of Monte Video. Convolvulus Montevidensis, Spreng. syst. 1. 

 p. 604. 



Monte-Video Ipomoea. PI. tw. 



134 I. DEPPEA'NA ; downy; leaves sagittate at the base, 

 sinuately toothed on the margins, mucronate ; peduncles 1- 

 flowered, twice as long as the leaves, bibracteate near the apex ; 

 bracteas linear, obtuse ; sepals unequal, obtuse. If. . ? '"'. S. 

 Native of Mexico. Conv. sinuatus, N. E. in herb. Lamb. 

 Flowers large, purple. 



Deppe's leaved Ipomoea. PI. twining. 



135 I. MARIANNE'NSIS (Choisy, 1. c. p. 468.) glabrous; leaves 

 cordate, acuminated, sometimes entire, sometimes 3-lobed and 

 trifid : intermediate lobe dilated at the base ; peduncles 3-4- 

 flowered, exceeding the petioles ; sepals lanceolate, very acute, 

 ciliately hairy. I/ . *"\ S. Native of the Marianne Islands. 

 Auricles of leaves entire or lobed. Corolla tubular, hardly 3 

 times longer than the calyx, glabrous. Capsule pilose. Root 

 tuberous. Nearly allied to /. tnloba. 



Marianne Island Ipomcea. PL tw. 



136 I. PILOSA (Sweet, hort. brit. p. 289. Choisy, 1. c.) hairy; 

 leaves broadly cordate, entire, or a little 3-lobed, clothed with 

 white wool beneath ; peduncles exceeding the petioles, cymosely 

 many-flowered ; sepals linear, hairy. 0. / ^ 1 . S. Native of 

 Mysore, Bengal, at Patturghata. Conv. pilosus, Wall. fl. ind. 2. 

 p. 55. Rottl. in act. n. c. berol. 4. p. 196. Conv. albicans, 

 Wall. no. 1401. Stems terete. Bracteas oblong-lanceolate. 

 Corolla tubular, hardly twice as long as the calyx, glabrous, 

 rose-coloured, or pink, expanding an inch. Capsule globose, 

 glabrous. Seeds villous on the angles. 



Pilose Ipomoea. Fl. July, Oct. Clt. 1815. PI. tw. 



137 I. Aii6Nii (Hort. ex Lindl. bot. reg. 1794.) villous; 

 leaves cordate-roundish, 3-lobed : lobes acute ; peduncles many- 

 flowered, longer than the petioles, having the bracteas and sepals 

 diverging and acuminated ; corolla campanulate, with a thickened 

 tube ; stamens glandular at the base. 1f . *"\ S. Native 

 country unknown. Flowers densely aggregate. Bracteas 

 length of sepals ; sepals longer than the tube of the corolla. 

 Corolla middle-sized, violaceous : lobes acute. 



Alton's Ipomoea. Fl. April. Oct. Clt. ? PI. tw. 



138 I. GEME'LLA (Roth, nov. spec, p. 110. Choisy, 1. c. p. 469.) 

 plant clothed with grey down ; leaves cordate, acuminated, en- 

 tire, or somewhat 3-lobed, clothed with grey villi beneath ; pe- 

 duncles much exceeding the petiole >, loose, generally 2-flowered, 

 sometimes dichotomously many-flowered ; sepals coriaceous, 

 obtuse, with sub-lacerated edges ; corolla striated. . *"\ S. 

 Native of Tranquebar, Java, Manilla, banks of the Irawaddi, &c. 

 Conv. gemellus, Burm. ind. 46. t. 21. f. 1. Conv. affinis, Wail, 

 cat. no. 1385. Gonv. subangularis, Ham. herb. Stem terete, 

 villous, or smoothish. Leaves 1| inch long, and l broad, gla- 

 brous, green on the upper surface, except the middle nerve. 

 Corolla twice longer than the calyx, marked with converging 

 black stripes ; lobes acute, spreading. 



