234 MANUAL OF BOTANY 



Order 196. Convolvulaceae. 



197. Nolanaceae. 



198. Solanaceae. 



Cohort 3. — Personales. 



Characters. — Flowers generally heteromerous. Corolla 

 usually m'egular. Stamens epipetalous ; posterior one often 

 suppressed or appearing as a staminode ; generally four and 

 didynamous ; sometimes five or two. Ovules generally numerous 

 or two superposed. 



Order 199. Scrophulariacese. 



200. Orobanchacese. 



201. Lentibulariaceae. 



202. Columelliacese. 



203. Gesneraceae. 



204. Bignoniaceae. 



205. Crescentiaceae. 



206. Pedaliaceae. 



207. Acanthacese. 



Cohort 4. — Lamiales. 



Characters. — Flowers generally heteromerous. Corolla 



usually irregular. Stamens epipetalous, posterior one commonly 



suppressed; usually four and didynamous, or rarely two. Carpels 



or cells each with one ovule or two collateral ones. No stipules. 



Order 208. Selaginaceae. 



209. Verbenaceae. 



210. Myoi)orace8e. 



211. Labiatae. 



Anomalous Order. 

 Order 212. — Plantasfinaceae. 



