HOUSE , THE GENUS 1P0MCEA 
211 
Stems rooting at the nodes. 
Leaf-blades entire or toothed. 
Leaf-blades broadly sagittate, the basal auricles blunt 
or toothed. 
Leaf-blades not sagittate or hastate. 
Leaf-blades broadly ovate, cordate, acute. 
Leaf-blades suborbicular, obcordate or emarginate 
at the apex, not cordate. 
Leaf-blades variously lobed or oblong-lanceolate, not cor¬ 
date; corolla cream-colored. 
Stems prostrate, but not rooting at the nodes. 
Corolla white or purple only at the base. 
Leaf-blades 3- to 9-toothed. 
Leaf-blades not toothed, entire and strongly reticu¬ 
late-veined beneath. 
Corolla blue or purple or only the tube white. 
Peduncles usually exceeding the leaves; blades triangu¬ 
lar-ovate and hastate, sinuately toothed at the base, 
pubescent. 
Peduncles very short; leaf-blades deltoid-reniform to 
triangular-ovate, angled or toothed, nearly or quite 
glabrous. 
56. I. reptans. 
57. I. asarifolia. 
58. 7. pes-caprce. 
59. 7. stolonifera. 
60. 7. schaffneri. 
61. 7. hartwegii. 
62. 7. ignava. 
63. 7. eximia. 
56. Ipomoea reptans (L.) Poir. Encyc. Suppl. 3: 460. 1813.— Choisy 
in DC. Prodr. 9: 349. 1845. 
Olus-vagum, Rumph. Amb. 5: 419. pi. 155. /. 7. 
Ballel, Rheed. Mai. 11: 107. pi. 52. 
Convolvulus reptans L. Sp. PI. 158. 1753. 
Convulvolus repens Desr. in Lam. Encyc. 3: 547. 1789.— Vahl, Symb. Bot. 1: 17. 
1790.— Willd. Sp. PI. 1: 874. 1798 (excl. syn. L, and Gronov.) — Roxb. 
FI. Ind. 2: 68. 1824. Not C. repens L. 1753. 
Convolvulus adansonii Desr. 1. c. 560. 
Ipomoea aquatica Forsk. FI. Aegypt.-Arab. 44. 1775.— Lam. Illus. 1: 467. 1791. 
— Encyc. 6: 18. 1804. 
Ipomoea repens Roth; Roem. & Schult. Syst. 4: 244. 1819.— Roth, Nov. PI. Sp. 
110. 1821. 
Ipomoea clappertoni R. Br. in Denh. & Clapp. Trav. Append. 240. 1826. 
Ipomoea subdentata Miq. FI. Ind. Bat. 2: 614. 1856. 
Fleshy and glabrous; leaf-blades ovate-lanceolate or triangular, sagittate or 
subhastate, 3-8 cm. long, basal auricles obtuse, acute or toothed; corolla white 
tinged with magenta below, about 4 cm. long. 
Type locality: India. 
Distribution: Wet shores, circumtropical. 
Illustrations: Naves; Blanco, FI. Fillip, pi. 149. 
