Flora of the Malayan Peninsula. 311 



Terrestrial, firm-stemmed plants : — ■ 

 Flowers purple : — 



Leaves ovate-cordate, acute or acuminate, entire 

 or more or less lobed : — 

 Cultivated species with tuberous edible roots, 

 often without flowei's, rarely with seeds . . 5. I. Batatas. 

 Wild plants or if grown in gardens with the 

 roots not edible : — 

 Large stout climbers on bushes near sea- 

 coasts ; flowers large, 4 in. long ; sepals 

 obtuse . . . . . . . . 6. J. illustris. 



Slender climbers ; flowers never more than 

 1'5 in. long ; sepals acute or acuminate : — 

 Climbing or trailing herbs on sea-beaches ; 

 flowers 1 "5 in. long .. ..7. I. denticiclata. 



Climbing herbs in gardens, or garden 

 escapes ; flowers '5 in. long . . 8. I. triloba. 



Leaves oblong, obtuse or 2-lobed ; littoral sand- 

 binding creepers . . . . ..9.1. Pes-Caprce. 



Flowers white or yellowish-white ; leaves oblong or 

 linear-oblong, emarginate, sometimes lobed, occa- 

 sionally lyrate ; littoral sand-binding creepers .. 10. I.littoralis. 

 Aquatic or palustrine herbs ; stems soft, thick and 

 spongy, trailing and rooting on wet mud or floating 

 in ponds and ditches ; flowers purple ., .. 11. I. reptans. 



Cymes subumbellate, dense ; flowers pale purple, or 

 white with a darker purple eye . . . . 12. J. sagittcefolia. 



Flowers in many-flowered rather condensed axillary i 13. I. stapliylina, 

 panicles ; flowers white, slightly tinged with pink . . | vae. malayana. 



1. Ipomcea Pes-Tigkidis, Linn. Sp. PL 162. A hirsute twining herb; 

 stems patently hirsute. Leaves hirsute on both surfaces, deeply 

 5-9-lobed, lobes elliptic, acuminate, narrowed at the base ; length 

 1 to 5 in., width 1 to 4 in. ; petiole 1 to 2 in. long. Floivers densely 

 capitate, on axillary hirsute peduncles '5 to 3 in. long; the heads 

 surrounded by a whorl of fulvous-hirsute bracts, the outer ovate or 

 elliptic-oblong with cuneate or rounded bases 1 in. long, the inner 

 narrower acute '5 to "75 in. long. Sepals lanceolate, acute, tawny- 

 hirsute, "3 to -5 in. long, scarcely altered in fruit. Corolla 1-25 in. 

 long, sparsely strigose externally, infundibuliform with rather narrow 

 tube and abruptly widened mouth, pink. Capsule ovoid, -25 in. long, 

 glabrous, chartaceous. Seeds minutely velvety. Eoxb. Flor. Ind. ed. 

 Carey & Wall. II. 93; Bl. Bijdr. 709; Wight Ic. t. 836; Choisy 

 Convolv. Or. 73, and in DC. Prod. IX. 363 ; Clarke in Hook. f. Flor. 

 Brit. Ind. IV. 204 ; Hallier f. Bull. Herb. Boiss. V. 379. Convolvulus 

 Pes-Tigridis, Spreng. Syst. I. 592 ; Wall. Cat. 1374. C. hryonimfolius 

 Salisb. Prod. 125. Convolvuloides palmata, Moench. Meth. 452. 

 Eheede Hort. Malab. XI. t. 59. 



