Victorian Plants. 85 



422. Stamens with pollen-bearing anthers four. 



Herbs or half -shrubs ; leaves opposite or whorled ; calyx- 

 segments five ; anther-cells distinct ; stigma bilobed. 



Stemodia. 1717 

 Stamens with pollen-bearing anthers two .. ... 423 



423. Tube of the corolla as long as the lobes or longer. 



Always herbs ; leaves constantly opposite ; calyx- segments 

 five ; two stamens with pollen-bearing anthers, two rudi- 

 mentary or undeveloped ; stigma dilated. Gratiola. 1718 







Tube of the corolla usually much shorter than the lobes. 



Herbs or shrubs or rarely small trees ; leaves nearly always 

 opposite ; calyx-segments four or five ; lobes of corolla 

 much oftener four than five ; stamens never more than 

 two ; stigma undivided. Figure 104. Veronica. 1720 



BXGXONXACEAE. 



424. Calyx five-denticulated, laterally entire. 



Woody climbers; leaves opposite, entire or pinnate; stamens 

 enclosed ; dissepiment fixed to the middle of the fruit- 

 valves longitudinally ; the latter finally seceding from it ; 

 seeds surrounded by a transparent membrane. Tecoma. 1730 



VERBENACEAE. 



425. Corolla four-lobed. 



Small trees of saline shores subject to tidal influence ; 

 leaves firm, entire ; corolla-lobes equal ; stamens four ; 

 fruit comparatively large, the outer portion carnulent, 

 splitting longitudinally ; seed solitary. " Spurious 

 Mangrove." Avicennia. 1731 



Corolla five-lobed 426 



426. Lobes very unequal. 



Shrubs or semiherbaceous plants ; leaves opposite, ternate 

 or whorled, rarely scattered ; corolla comparatively large, 

 its lobes in two sets ; stamens always four ; fruit rather 

 small, hard, four-celled, unseparable into fruitlets. 



Chloanthes. 1732 

 Corolla-lobes slightly unequal. 



Herbs or somewhat shrubby plants ; leaves usually opposite ; 

 flowers often small; stamens two to four; fruit quite small, 

 separable into four fruitlets. Verbena. 1733 



