Cyclocheilon. 



CI. VERBENACEiK (BAKER AND STAPF). 



273 



regular 



Order CI. VERBENACEJE (by J. G. Baker 

 and O. Stapf). 



Flowers hermaphrodite, rarely polygamous, irregular or nearly 

 Calyx inferior, persistent ; tube long or short ; lobes usually 

 ;j, small or large. Corolla gamopetalous ; tube campanulate, funnel- 

 shaped or cylindric ; limb 4-r)-tid ; lobes subequal or more or less 

 distinctly bilabiate. Stamens usually 4, didynamous ; filaments filiform ; 

 anthers dorsifixed, with 2 parallel o)- divaricate cells, dehiscing longitu- 

 dinally. Ovary superior, sessile, entire or slightly lobed, bicarpeliary, 

 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 iiiliabiling the tropical regions of both hemispheres. 



1. CYCLOCHEIIiON, Oliv. in Kew Bulletin, 1895, l'2l> 

 (by O. Stapf). 



Calyx deeply bifid in the median plane, laterally flattened ; tube 

 very short, funnel-shaped; segments orbicular or reniform. Corolla 

 2-lipped ; tube widened from a narrow cylindric ba^e into a wide 

 oblique throat ; upper lip smaller than the lower, deeply 2-fid, exterior 

 in bud ; inner lip deeply 3-fid, lobes subecjual, middle lobe innermast in 



