132 



XC. COXVOLVULACEdS (BAKER, AND RENDLE). 



[Ipomoea. 



Leaves palmately o-7-partite. 

 Corolla 6 lin. long 

 Corolla 9-3 lin. long . 



Leaves palmately 3-partite 



65. 1. magnusiana. 



66. 1. Lugardi. 



67. /. Eenii. 



§ 6. Leiocalyx (including § Batatas). — Habit various : plants herbaceous or 

 shrubby, with creeping, prostrate or climbing stems, usually glabrous. Leaves 

 various, often ovate-cordate, or oblong to linear, or palmately cut. Flowers 

 generally small to moderate, sometimes large, axillary or in more or less umbellate 

 dichasia. Sepals usually coriaceous with thinner edges, sometimes verrucose or 

 cristate on the back, oblong or ovate, rarely lanceolate, obtuse (sometimes mucro- 

 nately) to acute, rarely acuminate (orbicular in /. pulchella, spathulate in 1. simon- 

 siana). Corolla usually bright red or purple, more rarely white. Seeds small, 

 glabrous or shortly hairy. 



* Leaves entire (see also I. Batatas and /. leucantha). 

 f Stem or branches twining. 



Flowers small to moderate, not exceeding 1\ in. 

 in length. 

 Leaves ovate-cordate, margin entire. 



Peduncles 1-3 -flowered, to many-flowered in 

 /. kentrocarpa and /. micrantha. 

 Corolla pallid with sharply marked purple 

 eye. 

 Corolla li in. long .... 



Corolla 1 in. long .... 



Corolla bright yellow with purple tube, \\- 

 li in. long ..... 



Corolla concolorous, not exceeding 1 in. 

 long. 

 Seeds pubescent or velvety. 



Capsule not bearingapersistent apical 

 spine ...... 



Capsule bearing a persistent apical 

 spine ..... 



Seeds glabrous ..... 



Flowers many, subumbellate ; corolla 1 in. 



long or less. 



Sepals cinereo-pubescent. 2^ lin. long 



Sepals glabrous, verruculose, 4 lin. long . 



Leaves cordate-ovate, irregularly toothed in 



the lower part ..... 



Leaves cordate-ovate, margin coarsely dentate 

 Leaves ovate or lanceolate, base cuneate 

 Flowers larger ; corolla 1|- 3 lin. long. 

 Flowers solitary. 



Leaf-base cordate ..... 



Leaf -base entire ..... 



Peduncles many-flowered. 



Corolla campanulate-funnel-shaped, LJ-2in. 



long. Sepals markedly mucronate 

 Corolla funnel-shaped, 2 in. long. 

 Leaves typically ovate-cordate 

 Leaves very variable, never typically ovate- 

 cordate ...... 



Corolla funnel-shaped, 2i-S in. long . 



68. /. kentrocarjja. 



69. I. obscura. 



71. /. ochracea. 



70. I.fragilis. 



73. 



72. 



74. 



75. 



76. 



77. 

 78. 



79. 



80. 



I. acanthocarpa. 

 I. micrantha. 



I. asdepiadea. 

 I. britteniana. 



1. JPapilio. 

 I. simonsiana. 

 I. lajpathifolia. 



I. humifera. 

 I. Barteri. 



81. I. fastigiata. 



82. I. mula. 



I. hellebarda. 

 I. slmpangensis. 



