A 
A 
Ipomeea. | XC. CONVOLVULACEE (BAKER AND RENDLE). 135 
Corolla-tube 4-5 in. long. Filaments ex- 
serted . 6 F : A . 1838. J. stenosiphon. 
Leaves multipartite . : é : . 184. L. bullata, 
** Sepals membranous. 
Corolla less than 2 in. long . é . 185. J. pyramidalis. 
Corolla over 3 in. long. 
Outer sepals not shaggy at the base . 136. J. Hildebrandtii. 
Outer sepals shaggy at the base . 137. L. incomta, 
§ 8. XERopHyTA.—Erect low-growing shrubs with slender stiff woody branches 
and small reniform hairy leaves. Flowers small. Sepals small, coriaceous, broad, 
obtuse. Corolla funnel-shaped, 1 in. or less long. 
Only Tropical African species. - : . . 188. J. Donaldsoni. 
§ 9. ARGYROPHYLL”.—FErect shrubs; young branches and lower surface of the 
leaves covered with silvery or white hairs (except J. argyrophylla, var. glabrescens). 
Leaves entire, lanceolate to ovate, obtuse, short-stalked. Flowers generally solitary 
on short axillary pedicels ; bracts narrow. Sepals lanceolate, acuminate, silky on 
the back. Corolla moderate to large. 
Near Section Florifere, which they resemble in the silvery or white indumen- 
tum, and the lanceolate silky sepals, but are distinguished by the leaves having an 
entire base, and the reduced inflorescence. 
Leaves ovate. : : : : : c . 139. I. cicatrosa. 
Leaves narrowly lanceolate . : 5 : . . 140. I. argyrophylla. 
Leaves suborbicular, obovate or oblong-lanceolate . . 141, L. adenoides. 
§ 10. FirorirFerx.—Erect or climbing shrubs; the whole plant or the younger 
shoots and leaves, especially their lower surfaces, pubescent, tomentose or silky. 
Leaves entire, reniform to cordate-orbicular, long-stalked, Flowers in many- 
flowered dichasial cymes, generally large. Bracts resembling the sepals or narrower 
(minute in J. Hartmanni). Sepals subcoriaceous, generally unequal, lanceolate or 
linear-lanceolate, acuminate (lanceolate to ovate and acute in J. Hartmanni, spathu- 
late in I. spathulata), silky, tomentose (1. chrysosperma) or hirsute (1, Hartmannt) 
sae the back. Corolla generally pallid with a purple tube. Seeds, where known, 
iry. 
Bracts about as long as the sepals. 
Sepals tapering. 
Leaves with cordate base. 
Bracts and sepals silky on the back. 
Indumentum on back of leaves, bracts, and 
sepals not silvery. Sepals barely exceed- 
ing 1 lin. in breadth. ; é . 142. J, kituiensis, 
Indumentum silvery. Sepals up to 24 lin. 
broad . A é : : . 143. J. nyikensis. 
Bracts and sepals tomentose on the back . . 144. J. chrysosperma. 
Leaves with rounded base. ‘ - g . 145. J. urbaniana. 
Sepals spathulate . : é : : . 146. J. spathulata, 
Bracts minute . P : : ‘i : : . 147. I. Hartmanni. 
Position doubtful : : 2 : : : . 148. J. Mahoni. 
§ 11. PHytnocatyx.—Herbaceous or suffruticose. Stems climbing or trailing, 
hairy or glabrous. Leaves ovate-cordate, long-stalked, glabrous. Flowers showy, 
few to several in the axillary peduncles. Bracts large, foliaceous. Sepals large, 
foliaceous, with well-marked longitudinal veins, ovate, the obtuse apex bearing a 
short bristle, glabrous, the three outer much larger than the inner. 
Corolla 23-4 in. long . : 3 : : . 149. J. setifera. 
Corolla 14-1} in. long : : : : : . 150, J. fimbriosepala. 
