Ipomeea. | XC. CONVOLVULACEH (BAKER AND RENDLE). 129 
shallowly (rarely deeply) 5-lobed: midpetaline areas well-defined, and 
often hairy, especially in the young flower. Stamens inserted low down 
in the corolla-tube; anthers and stigma rarely exserted; filaments 
filiform, sometimes dilated at the base; anthers ovate-oblong or linear, 
sometimes spirally twisted when old. Disc annular, entire or sinuate, 
rarely obsolete. Ovary usually 4-ovuled, 2—4-celled, rarely 6-ovuled, 
3-celled ; style filiform; stigma capitate, entire, or 2-lobed. Capsule 
globose or ovoid, usually 4- or 6-valved, rarely splitting irregularly or 
indehiscent. Seeds glabrous or hairy, 4—6, rarely fewer by abortion ; 
cotyledons broad, plicate-—Herbs or shrubs, usually twining, sometimes 
prostrate, creeping, rarely erect. Peduncles axillary; flowers 1, few or 
many in a lax or dense simple or compound cyme; bracts small or 
large, deciduous or persistent. Flowers large or small, very various in 
colour, usually white or red-purple. 
Species about 400, spread throughout the tropical and subtemperate regions of 
both hemispheres, 
§ 1. CatycAnrHEMUM.—Annual or perennial herbs of very various habit, rarely 
erect or suberect, often with long trailing branches or climbing. Leaves generally 
entire with entire or cordate base. Flowers small or moderate, rarely large ; sepals 
herbaceous, ovate or lanceolate, rarely linear, acute to acuminate, rarely obtuse, 
sometimes broadened and cordate or auriculate at the base. Seeds often pubescent. 
Flowers minute. Sepals 2-3 lin. long. Corolla scarcely 
exceeding the calyx. 
Leaves entire. 
Leaf-base cordate. 
Capsule glabrous. 
Stems prostrate . - ° ° : Rael 
Stems climbing. 
Peduncle suppressed. Flowers geminate . 5. J. eynanchifolia. 
Peduncle 1-13 in. long. Flowers 6-8 ina 
I. verticillata. 
6. I, Carsoni. 
‘lax cyme . ° ° ° 
Capsule hairy. 
Sepals acuminate. Corolla purplish. . &. I. ertocarpa. 
Sepals blunt. Corolla yellow : - . 4. LI. sulphurea. 
Leaf-base entire (rarely shortly cordate in J. leu- 
canthemum). 
3. I. leucanthemum. 
7. I. coscinosperma. 
8. I. kotschyana. 
Corolla white , 
Corolla red 
Leaves deeply cut . : : : : : : 
Flowers small. Corolla less than 1 in. long (see also 
I. hackeliana and I. cardiosepala). 
Sepals 5 lin. long. 
Sepals broadly ovate. Corolla 6 lin. long. . 9. I. eurysepala, 
Sepals ovate-acuminate. Corolla 8 lin. long . . 10. I. commatophylla. 
Sepals 3 lin. long. : 
Sepals bluntly ovate. Corolla6 lin. long. . 14. I, curtipes. 
Sepals linear-lanceolate. Corolla less than 1 in. : 
long : . 12. LT. Morsoni. 
Stem climbing, puberulous. Corolla pale red. 11. J. leptocaulos. 
Stem procumbent, glabrous, Corolla yellow. 13. I, demissa. « 
Flowers moderate, rarely rather large. Corolla exceed- 
ing 1 in. in length (except Z. hackeliana and J. 
cardiosepala). 
VOL. IV.—SEC. 2 
