332 CONVOLVLLACE.E. (CONVOLVULl'S FAMILY.) 



partly exserted ; rapsule globose, thin, yellowish, indeliiseeiit. — Fields and 

 sterile soil, on .-mail lierl)S. Juue-July. 



2. C. umbellata, IIBK. stems low, capillary. s]»i(adiiig: cymes loosely 

 umbellate, few-Howered ; Howers sniiJl ; lobes of the ealyx acute, of tlie corolla 

 uarrowly lanceolate, longer than the tube, sprea^liug; scjiles oval, iucurved ; 

 capsule depressed, circumscissile, covered by the corolla. — South Florida 

 (Giiiber), on low herbs. 



3. C. decora, Choi.sy, var. pulcherrima, Eugelm. Stem branch- 

 ing; flowers rather large, 5-parted, in smootli umbel like cymes; lobes of the 

 calyx ovate-lanceolate, acute; lobes of the corolla ovate, acumiuate, crenulate, 

 1-uerved, spreading, as long as the tube ; scales ovate, iucurved, as long aa the 

 tube. — Damp soil, Florida, and westward. May. 



4. C. inflexa, Engelm. Flowers iu umbellate cymes ; sepals acute, 



keeled ; corolla fleshy, cylindrical, mostly 4-cIeft, the ovate acute lobes as long 



as the tube ; scales miuute, slightly toothed ; caj)sule depressed, enclo.ied or 



crowned with the withered corolla. — Georgia, aud northward, mostly ou 



shrubs. 



■*- ■•- Lobes of the corolla obtuse. 



5. C. obtusiflora, IIBK., var. glandulosa, Engelm. Stems widely 

 spreading, briglit orange; flowers slH)rt-])cdicelled, glaudular; lobes of the 

 calyx and corolla obtuse ; scales iucurved, deeply fringed ; capsule large, 

 depressed; styles short and thick. — Georgia, Florida, and westward, ou 

 Polygonum. 



6. C. Gronovii, Willd. Stem climbing high ; flowers mostly 5-cleft, in 

 loose paniculate cymes ; lobes of the corolla ovate, obtuse, spreading, mostly 

 shorter than the tube ; scales large, confluent at the base ; capsule globose, 

 brown. — Low shady places, on coarse herbs, Florida, and northward. Au- 

 gust - Oct. 



7. C. rostrata, Shuttl. Stem twining high; flowers large, 5-parted, in 

 umbel-like cymes ; lobes of the calyx ovate, obtn.se ; lobes of the corolla ovate, 

 obtuse, spreading and at length reflexed, half as long as the tube; scales con- 

 nate at the base ; capsule large, acute. — Shaded moist places on tall herbs, 

 on the mountains of North Carolina, and northward. 



* * Flowers sessile, in compact clusters : calyx of 5 separate sepals, surrounded 

 by several similar bracts: corolla persistent at the apex of the capsule. 



8. C. COmpacta, .Tuss. Stems climbing high ; bracts and sepals orbicu- 

 lar, concave, denticulate, imbricated ; tube of the corolla ecjualling or longer 

 than the calyx, the oblong obtuse lobes spreading ; scales confluent at the 

 base ; capsule globose-ovate. — Damp shady places, Florida, and northward. 

 July - Oct. — Clusters often continuous, and spirally coiled around herbs and 

 shrubs. 



9. C. glomerata, Choisy. Stems coar.se, the dense clusters of flowers 

 forming rope-like mas.scs; bracts and sepals recurved-spreading ; lobes of the 

 corolla oblong, obtuse, much shorter than the tube ; styles longer than the 

 ovary. — Tennessee, and westward, mostly on tall Compositae. 



