Dnt er 
Orpver LXXXIV. CONVOLVULACEZ. 
Corolla 5-parted or cleft, persistent. Corolla funnel- or bell- 
shaped, the limb 5-plaited or 5-lobed, twisted in bud. Sta- 
mens 5, alternate with the lobes of corolla; filaments broad- 
based; anthers 2-celled. An annular disk usually under the 
ovary. Ovary either single, 2-4-celled, rarely 1-celled, or of 
2-4 separate carpels ; ovules 1-2 ineach cell or carpel. Style 
simple or 2-fid, rarely 2-parted. Fruit capsular or indehiscent, 
1-4-celled ; cells 1-2-seeded. Seeds glabrous or hairy; em- 
bryo (except in Cuscutee) with leafy, wrinkled cotyledons, in 
mucilaginous albumen.—Stems herbaceous or ligneous, most 
commonly climbing or trailing. Leaves alternate, entire or 
lobed. Flowers large and handsome. 
Tribe 1. ConvotvuLE®. Embryo with leafy cotyledons. Carpels united 
in a solid ovary. Capsule dehiscent. (Gen. 1-8.) 
Style simple. 
Ovary 3—4-celled. 
Stigma capitate-2-lobed. Ovary 4-celled. . . 1. Bavatas. 
Stigma capitate-granulated. Ovary 3-celled . 2. PHARBITIS. 
Ovary 2-celled. 
Sepals equal or subunequal. 
Stigma capitate, 2-lobed. . . . . .. «. 38. [PoMmaA. 
Stigmas 2, linear, revolute . . . . . . 4 CoNVOLVULUS. 
Sepals very unequal, imbricated in 2-3 rows, the 
2 outer large and decurrent . .. . . . 5. ANISEIA. 
Ovary 1-celled (the young ovary sometimes half-2- 
celled). 
Two opposite bracts enclosing the calyx . . . 6. CALYSTEGIA. 
No enclosing bracts. Sepals unequal . . . . 7%. SHUTEREIA. 
Style 2-fid, or 2 separate styles. 
Styles 2, 2-fid. Leavessessile, entire. . . . . 8. EVvoLvULvs. 
Tribe 2. DichonpREx. Embryo with leafy cotyledons. Carpels 2-4» 
separate. (Gen. 9-10.) 
Corolla 5-fid. Ovary 2-parted. . . . . . . . 9. DICHONDRa. 
Corolla crenate. Ovary 4-parted. . . . . . . 10. Fatma. 
Tribe 3. Cuscurrxm. Embryo without evident cotyledons, worm-like. 
Carpels united. Plants parasitical, leafless. 
Characters same asthe tribe . .... . . . 11. Cuscuta. 
Trise 1. ConvotvuLe®. (Gen. 1-8.) 
1. BATATAS, Rumph. 
Sepals 5. Corolla bell-shaped. Stamens included. Style 
single ; stigma capitate, 2-lobed. Ovary 4-celled, or by abor- 
tion 3-2-celled— DC. Prod. ix. p. 337. 
Trailing or twining herbs or half-woody plants, sometimes with large 
