ARTIFICIAL KEY. 



1. Fls. regular or sub-regular. Sta- 



mens not didynamous. 



a. Ovary superior. 



- L. alternate. Style once or twice bifid 

 L. opposite. Ovary deeply lobed. 

 Shrubs or herbs, glandular 



L. opposite. Ovary not lobed. 



Ovary imperfectly 2-celled. Ovules 2 in 

 each cell .... 



Ovary 1- or 2-celled. Ovules many. 

 Herbs ...*.. 



Ovary 2-celled. Ovules many. Trees or 

 Bhrubs . • . 



b. Ovaiy inferior. 



L. opposite \/ith interpetiolar stipules or 

 whorled ... 



2. Pis. distinctly 2- lipped, or if sub-regular 



then stamens didynamous. 

 a. L. simple or pinnatifid. 

 i. Ovary deeply 4-lobed with 1 ovule in 



each lobe. Shrubs or herbs 

 ii. Ovary x not deeply 4-lobed (4-grooved 



in some Verbenaceaa). 

 f Ovary with 4 ovules not Super- 



Trees or shrubs, rarely nerbs 



Weak climbing shrubs • . . 



ft Ovules 2 or more superposed on each 

 placenta or in each cell of the ovary. 



Herbs with drooling tubular flowers. 

 Upper leaves alternate • «- 



Boraginacese 



(p. 472) 



Labiata? (p.489) 



Callicarpa 



( P . 477) 

 Gentianaceae 



(p. 420) 



Loganiaceae 



(p. 419) 



Rubiacesf 



(p. 494) 



Labiatse (p.489) 



Verbenaceaa 



(p. 476) 

 Thunbergia 



(p. 447) 



Pedaliacete 



(p. 444^ 



102 



