CONVOLVULACE.E. XIV. IPOMO-A. 



277 



7ir/i-flowered Ipomcea. PI. tw. 



139 I. CHRYSEIDES (Ker. hot. reg. t. 270.) stem twisted ; 

 leaves oblong-cordate, subhastaie, entire, or often angular, also 

 3-lobed, acuminated, glabrous ; peduncles stiff, exceeding the 

 petioles, 2-7-flowered ; sepals coriaceous, rayed with green, 

 ovate retuse, mucronulate ; corolla small, yellow. ^. ^. S. 

 Native of the East Indies, as of Silhet, banks of the Irawaddi, 

 Soaddi, Goalpara, Segaen, Coromandel, Bengal ; China, and 

 Timor. Ip. dentata, Willd. herb, ex Roem. et Schultes, syst. 



4. p. 789. ex Klein. Conv. chryseides, Spreng. syst. 1. p. 598. 

 Conv. dentatus, Vahl, symb. 3. p. 25. Wall. fl. ind. 2. p. 62. 

 cat. no. 1349. Conv. luteolus, Wight, herb. Conv. flavus, 

 Ham. herb. Stem terete and striated, glabrous, downy at the 

 insertion of the leaves. Leaves 12-24 lines long ; lateral lobes 

 dentately serrated. Petioles waned. Capsule 4-angled, gla- 

 brous. Seeds red, downy, under a lens. 



Far. p ; stem villous ; hairs straight, much crowded at the 



base of the petioles, as well as on the middle nerves of the leaves. 



GoMen- flowered Ipomcea. Fl. Ju. Oct. Clt. 1817. PL tw. 



140 I. WIGHTII (Choisy, in mem. soc. phys. gen. 6. p. 470.) 

 villous ; leaves cordate, acuminated : lower ones oblong, with 

 sinuately toothed edges ; younger ones S-lobed ; all woolly and 

 rusty above, and clothed with white tomentum beneath ; pedun- 

 cles exceeding the petioles, 2-5-flowered ; sepals oblong-linear, 

 awned, vtry acute, hairy. 11. r \ S. Native of the Nellighery 

 mountains. Conv. Wfghtii, Wall.pl. rar. asiat. 2. p. 55. t. 171. 

 Conv. gossypinus, Wall. cat. no. 1407. Conv. lanuginosus, 

 Heyue, herb. Stem terete, beset with retrograde hairs, as well 

 as the petioles. Leaves 1-3 inches long, and 1-2 broad. Brae- 

 teas like the sepals, but larger. Corolla campanulate, rose- 

 coloured, glabrous. Capsule downy. Seeds glabrous. Nearly 

 allied to Ip. tricolor, Desr. 



Wight's Ipomoea. PI. tw. 



141 I.SAGITTA'TA (Poir. diet. 4. p. 17.) glabrous ; leaves eor- 

 dately sagittate ; peduncles 1 -flowered, shorter than the leaves, 

 rarely 2-flowered ; sepals linear-elliptic, obtuse. Tt.^.S. Na- 

 tive on the banks of lakes, about the Calle, and the bastions of 

 France, in Barbary, ex Poiret; abundant about Castellon, in 

 Valentia, in humid places, ex Cav. Poir, voy. in barb. 2. p. 

 122. edit. germ. 2. p. 160. t. 3. Larn. ill. t. 104. f. 2. Cav. 

 icon. 2. p. 4. t. 107. descr. p. 98. Desf. fl. atl. 1. p. 177. 

 Conv. Wheleri, Vahl, symb. 2. p. 36. Willd. spec. 1. p. 845, 

 exclusive of the syn. of EUukn. aim. p. 113. I. 85. f. 3. Conv. 

 Valentimij, Hort. Tourn. inst. p. 82. Lower leaves cordate, 3 

 inches long, and 1 inch broad. Corolla large, of a reddish pur- 

 ple colour. Capsule globose. Seeds brown, angular. 



Sagittate-leaved Ipomcea. PI. tw. 



142 I. LACUSOSA (Lin. spec. ed. 3d. 228.) glabrous; leaves 

 cordate, acuminated, angular at the base : lower ones obscurely 

 repand ; peduncles short, generally 1 -flowered ; calyx pilose ; 

 sepals lanceolate, acute, ciliated ; corolla tubular, short. TJ. .'"\ H. 

 Native of Virginia, Carolina, and Florida; rather abundant on 

 the banks of the Arkansas, ex Nutt. in amer. phil. trans, n. s. 



5. p. 195. Michx. fl. bor. amer. 1. p. 140. Pursh, fl. amer. 1. 

 p. 145. Conv. lacui.osus, Spreng. syst. 1. p. 597. Dill. elth. 

 p. 105. t. 87. f. 102. Nearly allied to Ip. cocctnea ; but the 

 peduncles are 1 or 2-flowered ; the corollas with a thicker 

 white tube; and purplish rim, not scarlet, ex Lin., and in the 

 Arkansas plant white, ex Nutt., short, and somewhat campanu- 

 late. Nearly allied to I. trilaba, ex Michx. Lobes of corolla, 

 which is tubular, nearly straight, ending in small setaceous mu- 

 crones. Capsule globose, rather hairy. 



Z.acuo,se-leaved Ipomoea. Fl. July, Aug. Clt. 1640. PI. 

 twining. 



143. I. ARISTOLOCHLEFOLIA ; glabrous ; leaves ovate, much 

 acuminated-, having the hind lobes dentately angular and diverg- 



ing; peduncles 3-flowered, shorter than the leaves; sepals ovate- 

 oblong, acute, glabrous, wrinkled at the base, nearly equal ; 

 capsules ovate-conical. If.. ^. G. Native of Caraccas, and 

 La Venta de la Cumbre, in rather cold places. Conv. aristolo- 

 chiaefblius, H. B. et Kunth, nov. gen. amer. 3. p. 102. Stem 

 angularly striated, rather scabrous ; branchlets downy. Leaves 

 glabrous, but when young downy above, 2 inches long. Corolla 

 funnel-shaped, glabrous, with a white tube, and a violaceous 

 limb. Capsule glabrous. 



A rislolochia-leaved Ipomoea. PI. tw. 



144 I. PANDCRA'TA (Ker. hot. reg. 588.) downy; leaves 

 broad-cordate, entire or lobed, panduriform ; peduncles long ; 

 flowers in fascicles ; sepals glabrous, mutic ; corolla tubularly 

 campanulate. 11. *"*. H. Native from Canada to Carolina, in 

 sandy fields, and among bushes. Convolvulus panduratus, 

 Michx. fl. bor. amer. 1. p. 138. Pursh, fl. 1. p. 144. Dill, 

 elth. t. 85. f. 99. Root thick, turnip-formed. Corollas white. 

 There is a variety of this, with double flowers, cultivated in the 

 gardens of America, which is a singular circumstance among 

 Convolvulaceous plants. The roots grow to an enormous size, 

 sometimes as thick as a man's thigh, and more than 2 feet long. 

 Taken in place of jalap, it has the same effect, only in a less 

 degree. A variety, with entire leaves, is very common on the 

 banks of the Arkansas, ex Nutt. 



FiddU-thaped-leaved Ipomoea. Fl. Ju. Sept. Clt. 1732. 

 PL tw. 



145 I. SETIFERA (Poir. ency. 6. p. 17.) branches villous ; leaves 

 cordately auriculate, glabrous ; peduncles "usually 2-flowered ; 

 sepals large, ovate-oblong, glabrous, ending each in a bristle. 



. ? ^. S. Native of Guiana. Conv. setifer, Spreng. syst. 1 . 

 p. 597. Plant glabrous. Auricles of leaves rounded. Corolla 

 large, campanulate, purplish or reddish. 

 Bristle-bearing Ipomcea. PI. tw. 



146 I. MACRORHIZA; downy; leaves cordate, entire or lobed, 

 plicately wrinkled, rather tomentose beneath ; peduncles 1-3- 

 flowered ; sepals oval, mutic ; corolla campanulate, 5-Jobed ; 

 seeds woolly; root very thick. Tl.^.G. Native of Georgia 

 and Florida, near the sea-shore. Ip. Jalapa, Pursh, fl. amer. 

 sept. 1. p. 146. Ker. bat. reg. t. 342. Conv. macrorhiza, Michx. 

 fl. amer. bor. 1. p. 141. Pers. ench. 1. p. 184. Poir. diet, 6. 

 p. 17. 1. Michauxii, Sweet, hort. brit. p. 288. Flowers very 

 large, white. This is the Jalap of North America. 



7ar. /3, rubra ; stem tubercular ; peduncles many-flowered ; 

 sepals ovate, obtuse, downy ; filaments tomentose at the base ; 

 f? . *"\ S. Native of Mexico, about Vera Cruz, &c. Conv. 

 Jalapa, Lam. ill. t. 104. f. 2. Pers. ench. 1. p. 179. Woodv. 

 med. bot. p. 59, with a figure. Plenk, off. t. 94. Desf. ann. 

 mus. 2. p. 126. t. 40-41. Sims, bot. mag. 1572. I. Jalapa, 

 Sweet, hort. brit. p. 288. Conv. Jalapa, ft, rosea, Ker. bot. reg. 

 t. 621. Root very large, white inside, milky, fleshy, form of 

 a turnip. Stems villous at top. Corolla having the tube vio- 

 laceous inside, and hlac or pale red outside : limb purple. 

 Stigma depressed, 2-lobed. 



Large-rooted Ipomrea. Fl. Aug. Oct. Clt. 1815. PI. tw. 



147 I. OWARIK'NSIS (Beauv. fl. d'ow. 2. p. 41. t. 82.) stems, 

 peduncles, petioles, and calyxes, beset with stiff hairs; flowers 

 axillary, umbellate ; leaves cordate, toothed, sublobate, beset 

 with stiff hairs; sepals ovate, acuminated. T^. '\ S. Native 

 of Guinea, about the town of Waree. Poir. suppl. 4. p. 634. 

 Conv. Owariensis, Spreng. syst. 1. p. 594. Leaves on long pe- 

 tioles: lobes roundish. Pedicels simple, 1 -flowered, unequal, 

 crowded together. Corolla small, campanulate, red ; lobes short, 

 obtuse. 



Waree Ipomcea. PI. twining. 



148 I. CATHA'RTICA (Poir. suppl. 3. p. 633.) glabrous; leaves 

 cordate, 3-lobed, acuminated ; peduncles generally 1 -flowered ; 



