273 
Cyclocheilon. | CI. VERBENACEZ (BAKER AND STAPF). 
Order CI. VERBENACEZ (by J. G. Baker 
and O. Stapf). 
Flowers hermaphrodite, rarely polygamous, irregular or nearly 
regular. Calyx inferior, persistent ; tube long or short ; lobes usually 
5, small or large. Corolla gamopetalous ; tube campanulate, funnel- 
shaped or cylindric; limb 4—5-tid; lobes subequal or more or less 
distinctly bilabiate. Stamens usually 4, didynamous; filaments filiform ; 
anthers dorsifixed, with 2 parallel or divaricate cells, dehiscing longitu - 
dinally. Ovary superior, sessile, entire or slightly lobed, bicarpellary, 
2—4-celled, 2—4-ovuled ; style terminal, entire with a terminal stigma 
or bifid at the apex. Fruit drupaceous with bony pyrenes, or capsular. 
Seeds erect, laterally attached or pendulous; albumen usually none or 
scanty ; radicle usually very short.—Herbs, trees, or shrubs. Leaves 
usually opposite or verticillate, entire, toothed or laciniated, in Vitex 
usually digitately compound. Inflorescence centripetal or centrifugal. 
Flowers often showy and brightly coloured. 
Species 700, mainly inhabiting the tropical regions of both hemispheres, 
Flowers solitary 1, CYCLOCHEILON, 
Flowers aggregated. 
Inflorescence centripetal (spicate, racemose or capitate). 
Ovary 2-celled ; cells 1-ovuled. 
Calyx short. 
Fruit fleshy 2. LANTANA. 
Fruit dry 3. LIpPia. 
Calyx long. 
Perfect stamens 2 4. BOUCHEA. 
Perfect stamens 4 . . . . 5. STACHYTARPHETA. 
Ovary 4-celled ; cells 1-ovuled. 
Fruit-calyx closed over the fruit; pyrenes 2 6. Priva. 
Fruit-calyx open ; pyrenes 4 . . 7. VERBENA, 
Ovary 8-celled; cells 1-ovuled . 8. DURANTA. 
Inflorescence centrifugal. 
Inflorescence a compound cyme. 
Leaves simple. 
Pyrene 1, 4-celled 9, PREMNA. 
Pyrenes 4, 1-celled. 
Calyx-lobes 5, erect . . . 10. CLERODENDRON, 
Calyx-lobes 5, spreading, very accrescent . 11. HoLMsKIOLDIA. 
Leaves usually digitately compound . 12, VITEX. 
Inflorescence capitate . 13. AVICENNIA, 
1. CYCLOCHEILON, Oliv. in Kew Bulletin, 1895, 222 
(by O. Stapf). 
Calyx deeply bifid in the median plane, laterally flattened ; tube 
very short, funnel-shaped; segments or 
lipped ; tube widened from a narrow cylindric 
oblique throat ; upper lip smaller than the lower, 
in bud; inner lip deeply 3-fid, lobes subequa 
VOL. V. 
bicular or reniform. Corolla 
base into a wide 
deeply 2-fid, exterior 
], middle lobe innermost in 
T 
