274 
Violaceous-flowered Ipomoea. Clit. 1792. 
-Pi tw. 
100 I. corymgòsa (Roth. nov. spec. p. 220.) leaves cordate ; 
peduncles umbellate; stem creeping. %. ^. S. Native of 
tropical America, Lin.; St. Domingo, and the East Indies, 
Heyne. Conv. corymbósus, Lin. spec. p. 225. Desr. in Lam. 
dict. 2. p. 555.— Plum. ed. Burm. t. 89. f. 2. mss. vol. 2. t. 50. 
Leaves like those of Calystégia sépium, 2-3 inches long, thin. 
Corolla white, spreading ; star of limb of 5 white rays. 
Capsule turbinate, 1-celled, 2-3-seeded. Seeds roundish, 
brown. 
Var. D ; petioles stipulate at the base. 
Cayenne, Bonpl. 
Corymbose-flowered Ipomcea. 
Pl, creeping. 
101 J. Auc'NA (Blum. bijdr. p. 718.) leaves roundish-cordate, 
acuminated, quite entire, very soft on both surfaces; peduncles 
elongated, cymosely many-flowered ; sepals lanceolate, acumi- 
nated, spreading: outer ones the largest. 24.? ^. S. Native 
of the Moluccas. Corolla purple. 
Pleasant Ipomoea. Fl. Nov. Pl. tw. 
102 I. wurTIFLO RA (Reem. et Schultes, syst. 4. p. 234.) leaves 
cordate, glabrous ; peduncles many-flowered ; seeds rusty, vil- 
lous. ©. Y.O. S. Native of Jamaica. Conv. multiflórus, Mill. 
dict. no. 15.—Plukn. phyt. t. 167. f. 1. -Stems slender. 
Flowers racemose, on long peduncles. Corolla purple. Cap- 
sule trigonal, 2-celled ; cells 1-seeded.—Perhaps a species of 
Batàtas. 
Many-flowered Ipomoea. FI. June, July. Clt.? Pl. tw. 
103 I. rRr'coron (Cav. icon. 3. p. 5. t. 208) glabrous ; leaves 
cordate, acuminated ; flowers axillary, subumbellate; peduncles 
thicker than the stem ; calyx fleshy, pentagonal; sepals keeled. 
©.^. S. Native country unknown. Conv. venüstus, Spreng. 
syst. l. p. 600. Calyx of a dark violet colour. Corolla with 
a 5-lobed, crenulated blue limb and a whitish tube, having the 
inside angles spotted with red. 
Three-coloured-flowered Ipomoea. PI. tw. 
104 I. Osyre’nsts (Roth. nov. spec. p. 220. Roem. et 
Schultes, syst. 4. p. 239.) shrubby; leaves cordate-ovate, ob- 
tuse, undivided, glabrous above, but clothed with dense, silky 
tomentum beneath; flowers subcapitate, almost sessile, mixed 
with oblong-lanceolate bracteas; corolla oblong-campanulate, 
strigose outside; stem tomentose. 2.? ^.? S. Native of 
the East Indies, in Osyre, where it is called Mala-Erikaliga. 
er Osyrénsis, Heyne. Stigma capitate, didymous, tuber- 
cled. 
Osyre Ipomoea. Shrub twining. 
105 I. racemosa (Poir. suppl. 4. p. 634.) stem terete, grey, 
downy ; leaves ovate-cordate, obtuse, coriaceous, downy be- 
neath ; flowers racemosely panicled; peduncles hispid; brac- 
teas downy, concave, lanceolate, involving the calyx and ex- 
ceeding it; sepals lanceolate, acuminated, glabrous. h.%.S. 
Native of St. Domingo. Cony. racemdsus, Spreng. syst. 1. p. 
600. Leaves 2 inches long, clothed with white silky down be- 
neath. Peduncles beset with numerous short hairs. Corolla 
white, with a thick cylindrical tube, twice as long as the brac- 
teas ; limb short of 5 acute lobes. 
Racemose-flowered Ipomcea. Shrub tw. 
106 I. rexrucinea (Reem. et Schultes, syst. 4. p. 240.) plant 
clothed with rusty tomentum; stem terete; leaves ovate-cor- 
date, acute; peduncles axillary, 4-flowered; sepals unequal : 
the 3 outer cordate, acuminated, and the 2 inner shorter and 
lanceolate. h.™.S. Native of South America. Conv. ferru- 
gineus, Vahl, eclog. 1. p. 17. Willd. spec. 1. p. 858.  Petioles 
length of leaves. Leaves linear above. Peduncles length of 
petioles. Corolla unquicular, blue. Stigma thickened, ex Vahl. 
Fl. Aug. Sept. 
41. ^. S. Native of 
Fl. Aug. Sept. Clt. 1823. 
CONVOLVULACEJ. XIV. Iromaa. i 
Rusty Ipomoea. Shrub tw. 
107 I. nereropuy’LLA; twining, rather downy ; leaves has- 
tately 3-lobed : lobes acute, entire; peduncles many-flowered ; 
sepals equal, oblong, acute. X4. ^. S. Native of Guinea, 
Conv. diversifolius, Schum. pl. guin. p. 94. but not of Choisy, 
Stems filiform, hairy. Leaves glaucous, as well as downy be- 
neath. Peduncles naked, usually 7-flowered. Corolla campa- 
nulately funnel-shaped, size of C. sepium, white, with a viola- 
ceous throat ; limb obsoletely 5-lobed. Seeds tomentose. 
Various-leaved Ipomeea. PI. tw. 
108 I. ventricdsa (Bert. in Coll. hort. rip. p. 37. under Con- 
vólvulus) glabrous; leaves broad-cordate, acuminated, quite 
entire, glabrous; peduncles generally 4-flowered, bracteate ; 
calyxes acute, coriaceous, ventricose. ©. ^. S. Native of 
Guadaloupe, in gardens ; but originally introduced from the 
Island of St. Bartholomew. Corolla large, white, funnel-shaped, 
glabrous. a 
Ventricose-calyxed Ipomoea. Pl. twining. 
109 I. Hooxe‘rt; glabrous; leaves on long petioles, deeply 
cordate, acuminated ; peduncles 3-4-flowered, thickened, and 
somewhat racemose; sepals small, erect, adpressed, linear-subu- 
late, margined with white ; corolla large, funnel-shaped, with a 
very short tube, and a 5-angled limb ; having the angles mucro- 
nate. L5.^/^.$8. Native of Mexico, in the province of Gua- 
naxuato. Ipomee‘a rübro-coerülea, Hook. bot. mag. t. 3297, 
Corolla white in the bud, with the limb of a rich lake-red, which 
when the flower is fully expanded, becomes of a fine purplish 
blue. Filaments hairy. Stigma capitate, 2-lobed. This is pro- 
bably a species of Rivea. 
Hooker's Ipomoea. FI. July, Aug. Clt. 1830. 
* * * Peduncles generally 3-flowered. 
110 I. osscu'ra (Ker. bot. reg. t. 239. Roem. et Schultes, 
syst. 4. p. 236.) stem herbaceous, interruptedly glabrous, and vil- 
lous from hairs; leaves cordate, acuminated, glabrous; pedun- 
cles exceeding the petioles, 1-3-flowered ; pedicels thickened, 
bracteate; sepals oblong-ovate, sometimes obtuse, sometimes 
acuminated. ©. ^. S. Native of the East Indies, every- 
where. Ip. solanifolia, Burm. ind. p. 49. Ip. insuàvis, Blum. 
bijdr. p. 716. Conv. obscürus, Lin. spec. p. 220. Burm. ind. 
44. Wall. fl. ind. 2. p. 52. Conv. geméllus, Vahl, symb. 3. 
p. 27.— Dill. elth. 98. t. 83. f. 95. Conv. trigónus, Ham. herb. 
lp. gemella, Roth. nov. spec. 240.  Bracteas lanceolate, acute, 
glabrous; calyx glabrous. Corolla campanulate, glabrous, 3-4 
times longer than the calyx, yellow, with a purple throat; 
lobes emarginate. Seeds downy. 
Var. B, glabra (Choisy, l. c. p. 464.) stem glabrous ; pedi- 
cels equal; seeds sometimes clothed with grey down, and 
sometimes glabrous. ©. ^. S. 
Obscure.lpomoea. Fl. June, Aug. Clt. 1732. Pl. tw. 
111 I. rrta’ntHa (Roem. et Schultes, syst. 4. p. 243.) gla- 
brous; leaves cordate-lanceolate, attenuated, glabrous, obtuse; 
peduncles 3-flowered, shorter than the leaves; sepals obtuse. 
Q.?^.S. Native of the East Indies. Conv. triflórus, Vabl, 
symb. 3. p. 30. Leaves 2 inches long, rounded and mucronate at 
apex; hind lobes obtuse, very rarely angular. Pedicels bract- 
less, angular. Corolla 3 times longer than the calyx; lobes 
pilose at apex. 
Three-flonered Ipomcea. PI. tw. 
112 I. rrierora (Forsk. egypt. p. 44.) glabrous; leaves cor- 
date, acuminated, glabrous ; peduncles axillary, 3-flowered. ©. 
^. S. Native of Arabia, in Hadje. Gmel. syst. p. 343. Vittm. 
summ. 1. p. 440. Corolla pale yellow ; limb undivided, an inch 
in diameter. 
Three-flomered Ipomea. | Pl. tw. 
113 I. WzixMA'NNI dieu et Schultes, syst. 4. p. 245.) 
Shrub tw. 
