Ipomrea.] 
LXXXV. CONVOLVULACErE. 
1057 
Bot. Reg. t. 62 ; Batatas paniculata, Chois. Conv. Or. and in DC. Prod. ix. 389 ; /. 
insiynis, Andr. Bot. Rep. t. 636; Bot. Reg. t. 75; Bot. Mag. t. 1790 (a form 
with less deeply divided leaves, which occurs also in Australia) ; I. plavtcnsis , 
Bot. Mag. t. 3685. 
Hab : Cape York, Jar dine ; Palm Island, Banks and Solander ; Port Molle, MJliUivray ; 
Rockingham Bay, Dalluchy. 
A maritime plant, not uncommon on the coasts of tropical Asia, Africa, and America. 
2. : I. Batatas (original name of the Sweet Potato), Lam.: Clarke in 
Hook. FI. Brit. Ind. iv. 262. Sweet Potato. A glabrous or sparingly hairy 
tuberous plant. Tubers red, white or yellow. Leaves ovate-cordate, acute, 
angular, or more or less lobed. Peduncles long, many-flowered. Sepals elliptic, 
shortly acute, glabrous. Corolla 2in. diameter, and purple upwards. Ovary 
4-celled. Capsule 4-celled, or by suppression 8 to 1-celled. — Convolvulus Batatas, 
Linn.; C. edulis, Thunb.; C. esculenttis, Salisb.; Batatux edulis, Chois.; B. 
xanthorhiza, Bojer. Hort. Maurit. 225; Rumph, Herb. Amb. v, t. 130; Rheede, 
Hort. Mai. vii.t. 50. 
Hab.: America. Found as a stray from cultivation. 
3. I. palmata (leaves palmate), Forsk.; Chois, in DC. Prod. ix. 386; Benth . 
FI. Austr. iv. 415. A glabrous tw'iner, the old stems often more or less 
tuberculate or muricate. Leaves digitately divided nearly or rarely quite to the 
base into 5 to 7 ovate-lanceolate lanceolate or oblong lobes, obtuse or rarely 
acute, 1 to 2in. long. Peduncles usually several-flow r ered and as long as or 
longer than the petioles ; pedicels rather long. Sepals broad, obtuse, 3 to 4 
lines long, all nearly equal. Corolla purple, pink or white, campanulate, but 
contracted into a tube towards the base, 1^ to 2in. long, the angles or short broad 
lobes generally terminating in acute points. Ovary 2-celled. Capsule globular, 
as long as the calyx. Seeds pubescent and usually bordered by long silky hairs. 
— I. pcndula , R. Br. Prod. 486; Andr. Bot. Rep. t. 613; Bot. Reg. t. 632 ; 
Chois, in DC. Prod. ix. 387, with most of the synonyms adduced (but not T. 
Horsfallm, Hook.) ; I. pulchella, Roth, and I. tuberculata , Roem. and Schult., 
Chois, in DC. Prod. ix. 886, with most but not all of the synonyms adduced. 
Hab.: Rockingham Bay, F.v. Mueller; Moreton Bay, Fraser, F. v. Mueller : Ipswich, Nernst ; 
Rockhampton, O’Shanesy ; Edgecombe Bay, Dallachy ; Mackenzie Island, Thozet : Curtis 
Island, Henne. 
The species is widely dispersed over tropical Asia, Africa, and America. 
4. I. quinata (leaf-segments 5), R. Br. Prod. 486 ; Benth. FI. Austr. iv. 
415. A rather slender twiner, glabrous or the stems and foliage more or less 
hirsute w'ith long spreading hairs. Leaves digitate, with 5 distinct lanceolate or 
narrow-oblong obtuse entire segments, 1 to Hin. long, contracted at the base. 
Peduncles usually 1 -flowered and shorter than the leaves. Sepals ovate, the 
outermost about 3 lines long, the innermost nearly or quite twice as long. 
Corolla white or pale-pink, campanulate but contracted into a tube towards 
the base, nearly 2in. long, very shortly and broadly lobed or angled. Ovary 
2-celled. Capsule iin. long, somewhat acuminate. Seeds glabrous. — Chois, in 
DC. Prod. ix. 385 ; I. hirsuta, R. Br. Prod. 486 ; I. pentadactylis, Chois. Conv. 
Or., and in DC. Prod. ix. 385 ; Convolvulus quinatus, Spreng. Syst. i. 590. 
Hab.: Cape York and Port Molle, M'Gillivray ; Rockingham Bay, J. Dallachy. 
The species is also in Burmah and S. China. 
5. I. diversifolia (leaves various), R. Br. Brad. 487 ; Benth. FI. Austr. iv. 
416. Stems very slender, trailing or twining, glabrous as well as the foliage. 
Leaves digitate, with very narrow linear segments, entire or more frequently 
toothed or pinnatifid. the central one 1 to 2in. long, the others much shorter. 
