Lettsomia.} CONVOLVULACER. 217. 
rower ; corolla only about 3 in. long, campanulate-funnel-shaped, 
with a wide glabrous tube, the lobes obversely cordate with an 
elongately triangular centre, densely hirsute outside; filaments 
inserted with a villous base below the throat of the corolla ; berries 
globose, crimson, smaller than the spreading enlarged sepals (which 
are lively blood-coloured within) and about the size of a pea, 
smooth, 2-celled, the cells 2-seeded; seeds smooth and glabrous, 
greyish. 
Has.—Ava; Tenasserim. 
IPOMGA, L. 
Sepals 5, imbricate. Corolla bell- or funnel- to almost salver- 
shaped, the limb spreading, angular or rarely deeply lobed, folded 
mbud. Ovary 2-, or incompletely 3- or 4-celled, with 2 ovules in 
each cell; style filiform ; stigma entire and capitate or bi-globose, 
leaves, Flowers often showy, solitary, or in more or less developed 
axillary cymes, 
* Flowers salver-shaped, white; stamens exserted, 
Seeds glabrous 3 of the sepals the 2 outer ones abruptly subulate . I. Bonanoz. 
Seeds velvety-tomentose ; sepals all acute and nearly conform . Yom 
Corolla bell-, funnel- or funnel-bell-shaped. 
X Corolla rose-coloured. 
Branches terete, pubescent ; seeds shortly brown-tomentose . _—._‘J. campanulata. 
X X Corolla white. 
Branchlets 3-cornered and 3-winged; seeds glabrous . . . J, Turpethum. 
G X X Corolla yellow. 
§ brous ; calyx Scarious, glabrous; seeds softly pilose-fringed . I. ranthantha. 
“preadingly yellowish hairy ; calyx hirsute; seeds glabrous vitifolé 
7 1. I], Bonanox, L.—Nway-hka-sun-d-phyoo.—A large _twiner, 
a” parts glabrous or the young shoots appressed-hairy ; branches 
smooth or spinulose-muricate ; leaves cordate, sinuate at the base, 
 0n a glabrous petiole 1-3 in. long, finely acuminate, entire or 
sometimes exhibiting a tendency to become 3-lobed, membrana- 
Psioe 2-4 in. long, glabrous, or beneath sparingly appressed-hairy ; 
Wers large and showy, white, on thick pedicels about 4 in. long, 
