Cuscula.] 
XCVII. CONVOLYULACEjE. 
443 
Order XCVII. CONVOLVULACE^. 
Twining herbs or climbing lianes (rarely erect), occasionally 
prostrate herbs. Leaves alternate (or Cuscula none). Flowers 
regular bisexual in cymes or solitary. Sepals 5, imbricate, some¬ 
times accrescent. Corolla campanulate or funnel-shaped, rarely 
tubular; lobes usually short on a wide limb, sometimes long. 
Stamens 5, adnate to corolla-tube; anthers oblong. Carpels 2, 
connate in a superior ovary; disc annular; cells 2 or 4; style 1 
(rarely 2); stigma capitate or 2-lobed. Fruit a berry, or 2- to 
4-valved capsule. Seeds 2 to 4, rarely 1 only. Species 1000, 
whole world. (Prain, Journ. yls. Soc. Beng. Ixxiv. 284.) 
Parasitic leafless yellow or pinkish plant. 
Green climbing leafy twiners herbaceous or shrubby. 
Woody climbers (rarely erect). Flowers small white ; 
petals bilobed; fruit fleshy or pulpy, 
indehiscent. 
Half woody climbers. Flowers large, pink, white 
or purple, lobes obscure. 
Fruit a dry berry. 
Ovary 4-celled; leaves silvery silky 
Ovary 2-celled; leaves usually hairy or 
glabrous ...... 
Fruit capsular, dehiscent. 
Capsule surrounded by a broad circular wing; 
flowers racemose small 
Twiners not woody. Capsule not winged; flowers 
solitary or cymose. 
Styles free or partially united at base. 
Prostrate herb; flowers blue, small 
Twiner; flowers large cream, centre purple; 
flowers sub-capitate .... 
Style entire; stigmas 2. 
Ovary 1-celled. 
Bracts enveloping calyx * 
Bracts not enveloping calyx 
Ovary 2- or 4-celled. 
Outer 3 sepals larger than inner 2, decux'rent 
on peduncle. 
Flowers white ..... 
Sepals sub-equal, not decurrent. 
Flowers small bluish or blue, campanu¬ 
late; capsule 8-valved 
Flowers yellow, campanulate; capsule 
4-valved ...... 
Ovary 1- to 3-celied; flowers white, blue 
or pink; corolla funnel-shaped 
Flowers small, yellow urceolate, base swollen, 
above tubular ..... 
1. Cuscuta 
2. Eryc^be 
3. Argyreia 
4. Lettsomia 
5. Neuropeltis 
6 . Evolvulus 
7. Bonamia 
8. Calystegia 
9. Hewittia 
10. Aniseia 
11. Jacquemontia 
12. Merremia 
13. Ipomcea 
14. Lepistemon 
1. CUSCUTA, Linn. 
Leafless twining yellowish parasites. Flowers small, white 
or pink in small heads. Sepals 5 or 4. Corolla ovoid or campanu- 
