CONVOLVULACEZ. XIV. Iromea. 
Var. B; stem and petioles clothed with long, straight, rufous 
hairs; leaves a little larger. 
Five-fingered-leaved Ipomeea. Pl. tw. 
161 I. Honsra/LLLE (Hook. bot. mag. 3315.) glabrous; 
leaves quinately digitate: leaflets lanceolate, quite entire, with 
undulated margins ; peduncles about as long as the petioles, 
bearing dichotomous cymes of flowers; sepals imbricate, obtuse, 
equal; corolla funnel-shaped. 21. ^. S. Native of Africa, or 
the East Indies. Corolla of a deep, rich, and glossy rose colour. 
Stigma capitate, 2-lobed, hairy. Filaments glabrous, upon a 
hairy scale or gland, which is vaulted beneath.  Leaflets gene- 
rally 5, rarely 6-7. Perhaps a species of Batatas, or a new 
genus from the vaulted scale at the base of each filament. 
Horsfall's Ipomeea. Fl. Dec. Jan. Clt. 1833. Pl. tw. 
162 I. zxNEA'LosA (Beauv. fl. d'ow. 2. p. 69. t. 101.) stem 
angular; leaves palmately 9-lobed: lobes unequal; peduncles 
3-flowered ; corollas purple. 2t. ^. S. Native of Guinea, at 
Chama. Nearly allied to 7. almata, Forsk, but is without any 
digitate stipulas. Corolla with the tube narrow at the base, and 
swollen at top. 
Nine-lobed-leaved Ipomeea. PI. twining. 
163 I. rurcuELLA (Roth, nov. spec. p. 115.) herbaceous, 
glabrous; leaves quinate ; leaflets sometimes entire, sometimes 
bifid : all elliptic-ovate, petiolate, mucronulate at apex; pedun- 
cles about equal in length to the petioles, 1-2-flowered ; sepals 
glabrous: inner ones obtuse: outer ones shorter, acutish; seeds 
villous. 2/. ^. S. Native of the East Indies, at Pagamew 
and Segaen, &c. Conv. béllus, Spreng. syst. 1. p. 590. Conv. 
heptaphyllus, Rottl. ex Willd. act. nat. cur. 4. p. 196. Wall. fl. 
ind. 2. p. 66. Conv. digitàtus, Roxb. ex Wall. cat. no. 1353. 
Conv. dasyspérmus, Spreng. Wight. herb. Conv. venósus, 
Madr. herb. Stem terete. Petioles tubercled. Corolla an 
inch long, funnel-shaped, small, pale pink, with the bottom of 
the bell deeper coloured. Capsule glabrous. This is a beautiful 
delicate, though extensive plant, and uncommonly interesting on 
account of its slender, pendulous, spiral peduncles, with their 
pretty small pink flowers, standing erect on their thickened 
curved apexes, 
Pretty Ipomeea. Pl. tw. 
164 I. ruBERCULA' TA (Roem. et Schultes, syst. 4. p. 208. 
Choisy, l. c. p. 474.) stem glabrous, verrucosely muricated ; 
leaves quinate ; lobes lanceolate, mucronate, entire : outer 
ones often bifid; petioles stipulaceous; peduncles usually 1-3- 
flowered, longer than the leaves ; sepals obtuse, unequal, ovate- 
oblong, with membranous edges ; corolla campanulate, rose- 
coloured, 2 inches ; seeds glabrous, ex Choisy; woolly on the 
convex side, ex Wall. 2/.^. S. Native of the East Indies, 
' China; Sandwich Islands ; South America; Para, Monte Video, 
and Rio Janeiro, in Brazil; and of the province of Caraccas, on 
the bank of Lake Tacarigua, where it is called Vejaquilo by the 
natives. Ip. stipulàta, Jacq. schoenb. 2. p. 39. t. 199. Ip. fru- 
téscens, Desf. cat. par. p. 74. Ip. tuberculòsa, Desf. cat. par. 
p.74. Ip. tuberósa, Lour. coch. 112. ed. Willd. 1. p. 138. Conv. 
tuberculatus, Desr. in Lam. dict. 3. p. 545. H. B. et Kunth, 
nov. gen. 3. p. 108. Conv. digitàtus, Wall. fl. ind. 2. p. 65. 
Roem. et Schultes, syst. 4. p. 303. Flowers purple, size of 
those of Batàtas paniculata. Very nearly allied to Zpome'a 
Caírica. 
Tubercled-stemmed Ipomoea. PE 
twining. : : 
165 I. AMPELOPSIFÒLIA ; glabrous, except the petioles, which 
are glandularly downy; leaves quinate ; leaflets lanceolate, ser- 
rated, cuspidate; peduncles 1-3-flowered, Shorter than the 
leaves; sepals ovate, obtuse, mutic, each furnished with a dorsal 
mucrone ; outer ones rather the shortest. 2. ^. S. Native 
Fl. Ju. Sept. Clt. 1818. 
279 
of Mexico, near Vera Cruz, among bushes. Conv. ampelopsi- 
folius, Cham. et Schlecht. in Linnea, 5. p. 118. 
Ampelopsis-leaved Ipomoea. Pl. twining. 
166 I. opercuta‘ta (Mart. reise. bras. ex Linnea, 5. p. 40.) 
glabrous; stems winged; leaves pedately 5-parted ; segments 
broad-lanceolate, acuminated, quite entire, or repandly toothed : 
pedicels solitary or twin, winged; capsule compressed, globose, 
circumcised. 2/. ^^. S. Native of Brazil. Conv. operculitus, 
Gomez, mem. corresp. acad. lisb. 1812. p. 27. icone. 
Operculate-capsuled Ipomoea. Pl. tw. 
167 I. nasvsPE'nMA (Jacq. eclog. 1. p. 132. t. 89.) herba- 
ceous, smooth ; leaves tripartite; segments trifid: the larger 
ones pinnately 5-lobed, with the lower lobes bifid, all glabrous ; 
peduncles 1-3-flowered, shorter than the petioles; sepals ovate, 
obtuse, unequal, and as if they were cordately spurred at the 
base before flowering : outer ones the shortest. (2. ^. S. Na- 
tive of the East Indies, China, New Holland. Ip. tuberculàta, 
Ker. bot. reg. t. 86, but not of Roem. et Schultes. Conv. dasy- 
spérma, Spreng. syst. 1. p. 591. Conv. pedatus, Roxb. fl. ind. 
2. p. 63. Stipulas small, filiform, pedate. Flowers in profu- 
sion, pretty large, of a bright sulphur colour. Pedicels clavate. 
Seeds pilose on the ribs. “ Leaves pedately tripinnate. Calyx 
warted," ex Roxb, &c. 
Thick-seeded Ypomoea. Fl. Aug. Sept. Clt. 1815. Pl. tw. 
168 I. pnisse'crA (R. Br. prod. p. 487.) glabrous; leaves pal- 
mate, 7-parted ; segments linear, dentately pinnatifid : middle 
segment elongated ; peduncles 1-2-flowered; calyx half the 
length of the corolla; sepals ovate, with crested nerves. ©. 
^, G. Native on the shores of New Holland, within the tropic. 
Corolla white, 1 inch long, a little longer than the calyx. 
Dissected-leaved Ipomoea. FI. Ju. Sept. Clt. 1813. 
twining. 
169 I. srnva‘ta (Orteg. dec. 7. p. 84.) stem, petioles, and 
peduncles very pilose; leaves glabrous, deeply 7-parted ; 
segments sinuated or pinnatifid; peduncles 1-flowered, longer 
than the leaves; sepals oval, glabrous, acute, nearly equal; co- 
rollas campanulate. 2/.^. H. Native of Georgia and Florida, 
on calcareous hills; and of Cuba, near Havannah, and Regla, in 
cultivated places. Ip. dissécta, Pursh, fl. amer. sept. 1. p. 145. 
Conv. disséctus, Lin. mant. p. 204. Michx. fl. bor. amer. 
155p:2139:507200::10b8:: 2:9 DAC hort. vind. t. 159. 
Corollas white, with a reddish throat. 
Sinuated-leaved Ipomoea. | Fl. June, Sept. 
twining. 
170 I. quiNQUE'LoBA (Roem. et Schultes, syst. 4. p. 268.) 
glabrous; leaves palmately 5-lobed: lobes finely serrulated, 
obtuse; axils of leaves hairy; peduncles length of petioles, 
bractless ; sepals obtuse, glabrous. 2/.? C. S. Native of the 
Island of Santa Cruz. Conv. quinquélobus, Vahl, symb. 3. p. 
32. Willd. spec. 1. p. 863. Nearly allied to 7. Caírica and 
Ip. stipulata, but differs, in the leaves being smaller, and the 
peduncles 1-flowered, &c. Lateral lobes of leaves narrower, 
mucronate. Stipulas 2, small, Corolla subcampanulate, gla- 
brous, purple. 
Five-lobed-leaved Ipomoea. PI. tw. 
171 I. rz'Npura (R. Br. prod. p. 486.) glabrous ; stems trailing 
or creeping ; leaves quinately digitate ; leaflets lanceolate, mucro- 
nulate, with entire edges: outer leaflets undivided or bifid ; 
peduncles 1-3-flowered; sepals nearly equal, obtuse, 3 times 
shorter than the corolla. h. G. Native of New Holland, 
within the tropic ; and in New South Wales, about Port Jackson ; 
as well as of New Caledonia, and the Island of Tanna. Cony. 
mucronatus, Forst. prod. no. 79. Conv. péndulus, Spreng. syst. 
1. p. 590.  ** Lobes of leaves ciliated, mucronate ; peduncles 1- 
flowered.” Forst. 
PI. 
28. 
Cit. 1818. Pi. 
