VERBENACE.E 371 



First pair of leaves oval or elliptic, obtuse, or often subovate, 

 shallowly or obsoletely serrate-dentate. 



Second pair larger, more deeply serrate-dentate with obtuse 

 teeth the terminal one of which is largest. 



Third pair elliptic-oblong, obtuse, incise serrate-dentate. 



Verbena Aubletia, L. 



Primary root as in V. officinalis. 



Hypocotyl subflexuose, pubescent, pale pinkish- white, terete, 

 11 mm. long, T25 mm. thick. 



Cotyledons very similar to those of V. officinalis, 6 mm. long, 

 8'5 mm. wide ; petiole channelled above, connate at the base, pub- 

 escent, 6 mm. long. 



Stem herbaceous, annual, obtusely quadrangular, erect (at least 

 the primary one), ultimately much branched, with coarse villous 

 hairs ; 1st internode 1 cm. long ; 2nd 8 mm. 



Leaves coarsely villous on both surfaces, as well as on the 

 petioles ; petioles channelled above, subconnate at the base around 

 the stem. 



First pair ovate, obtuse, subcuneate at the base, subtrifid, penni- 

 nerved ; lateral lobes mere teeth ; terminal lobe triangular-ovate,, 

 obtuse. 



Second pair triangular-ovate, obtuse, subtrinerved at the base,, 

 pinnatifid ; basal lobes longest, oblong, obtuse, and entire or again 

 cut on the posterior or basal side. 



Ultimate leaves triangular-ovate, obtuse, deeply pinnatifid, sub- 

 cuneate at the base, coarsely hairy on both surfaces, deep green 

 above, paler beneath with prominent venation ; lobes more or less 

 coarsely serrate on the posterior side ; basal pair distinctly tlu 

 largest and sublobulate on the posterior side. 



Rhaphithamnus longiflorus, Miers. 



Hypocotyl erect, square, hoary, almost colourless or reddish - 

 green, from 1-2 cm. long. 



Cotyledons roundly ovate, coriaceous, glabrous, petiolate, entire 

 6-10 mm. long, 5-6 mm. wide ; dark green above, whitish beneath ; 

 venation indistinct but having one primary nerve. 



Stem herbaceous, ultimately woody, erect, square, finely pub- 

 escent, light green ; 1st internode 1-1-5 cm. long ; 2nd about the 

 same. 



Leaves simple, serrated, upper ones coarsely, lower less so and 

 sometimes almost entire, cauline, opposite, shortly petiolate, lanceo- 



