CON VOL VULA CEAEBIGNONIA CEAE xlv 



1. Convolvulaceae : usu. herbs with alt. 1., often twining, usu. with 



large $ reg. 5 4-merous fls. ; A epipet., G (2) rarely (3 5) each 

 with 2 basal erect ov. on axile plac. ; caps. ; endosp. 



2. Polemoniaceae : usu. herbs with alt. or opp. exstip. 1. and ? usu. reg. 



5-merous fls.; C usu. conv., G (3) rarely (2) or (5) each with 

 oo i erect ov. ; caps.; endosp. 



3. Hydrophyllaceae: herbs with alt. rarely opp. 1. and scorpioid cymes 



of reg. 5-merous fls.; A 5, G (2) each with oo 2 sessile or pend. 

 ov.; caps.; endosp. 



4. Boraginaceae : herbs or woody pi., often roughly hairy, with usu. 



alt. simple 1., and scorpioid cymes of 5 reg. 5 (rarely more)- 

 merous fls.; G (2) each with 2 ov., 2-loc., usu. with false septum; 

 fr. drupaceous or of 4 nutlets; endosp. or none. 



5. Verbenaceae: herbs or woody pi. with usu. opp. or whorled entire 



or divided 1. and cymose umbels of $ usu. [ 5 4 (rarely more)- 

 merous fls.; (K). (C) often 2-lipped, A usu. 4 didynamous, or 2, 

 G (2) rarely more, each with 2 ov., usu. 4-loc. by formation of 

 secondary septa, style i ; drupe or schizocarp; usu. no endosp. 



6. Labiatae : herbs or shrubs with decussate or whorled exstip. 1. and 



cymose infls. often condensed in the axils into seeming whorls of 

 $ -|- 5-merous fls.; K (5), C usu. 2-lipped, A 4 didynamous or 2 

 with or without 2 stds., G (2) each with 2 erect ov., infolded 

 between them; fr. of 4 nutlets; endosp. little or none. 



7. Nolanaceae : herbs or undershrubs with alt. 1. and sol. or racemed 



$ reg. fls.; K, C (=,), A 5, G (5) with oo ov., divided by long, or 

 transv. constrictions into i j-ovuled sections; endosp. 



8. Solanaceae: herbs or shrubs with alt. 1. and term. sol. or cymosely 



umbelled 5 usu. reg. 5-merous fls.; A 5, G (2) obliquely placed, 

 each with oo i ov. on axile plac., style j; berry or caps.; 

 endosp. 



9. Scrophulariaceae : herbs or shrubs, rarely trees, with alt. opp. or 



whorled 1., and variously arranged fls., never term., 5 , -I- , 5- 

 merous fls. ; A usu. 4 or 2, G (2) median with each co or few ov. 

 on axile plac., and i style; caps, or berry; endosp. 



10. Bignoniaceae : woody pi. often climbing, with usu. opp. often cpd. 



1. and showy ? ! 5-merous fls., often in cpd. infls.; A 4 or 2, 

 sometimes with 3 r stds., G (2) median with oo ov., 2- or i-loc., 

 style i ; caps, or fleshy fir. ; no endosp. 



