502 



SCROPHULARINEjE. 



lately ventricose ; limb 5-Iobed, bilabiate. Stamens 4, didyna- 

 mous, usually exserted ; anthers 2-celled, often bearded ; cells 

 diverging, distinct at apex, usually spurred at the base. Stigma 

 clavate, undivided. Capsule bipartible ; dissepiment composed 

 of two combined lamina ; placentas narrow, spongy. Seeds 

 angular ; testa loose, thick, favosely cellular. Albumen fleshy. 

 Embryo sub-foliaceous, nearly the length of the seeds ; radicle 

 short, obtuse. Herbs or subshrubs. Leaves opposite, scabrous. 

 Flowers axillary, solitary, or terminal, and spicately racemose, 

 yellow or purple. 



1 . Calyx tubularly campanulate, 5-toothed, or 5-cleft. 



54 GERA'RDIA. Calyx 5-toothed, or semi-5-cleft. Corolla 

 campanulate, or tubularly campanulate ; tube longer than the 

 calyx. Stamens inclosed. Cells of anthers equal. 



55 SOPU'BIA. Calyx 5-toothed. Corolla campanulate ; tube 

 shorter than the calyx. Stamens exserted, equal. Cells of 

 anthers unequal. 



56 SEYMERIA. Calyx deeply 5-cleft. Corolla with a short 

 tube, and a subrotate spreading limb. Stamens a little longer 

 than the corolla ; cells of anthers nearly equal. 



57 MACRANTHE'RA. Calyx 5-cleft, foliaceous ; segments 

 denticulate. Corolla cylindrically tubular, nearly equal, with a 

 5-toothed apex. Stamens exserted. 



58 ESTERHA ZIA. Calyx 5-toothed. Corolla tubularly fun- 

 nel-shaped. Stamens much exserted. 



59 GLOSSOSTYLIS. Calyx 4-5-toothed. Corolla oblique, cam- 

 panulate. Stamens exserted. 



60 PHTHEIROSPE'RMUM. Calyx 5-cleft. Corolla campanulate. 

 Stamens inclosed. ? Stigma 2-lobed. 



61 ESCOBE'DIA. Calyx tubular, pentagonal, 5-toothed. Co- 

 rolla funnel-shaped. Stamens inclosed. 



2. Calyx inflated, 5-toothed or 5-cleft. 



62 PHYSOCA N LYX. Calyx inflated, 5-toothed. Corolla funnel- 

 shaped. 



63 MELA'SMA. . Calyx inflated, 5-cleft. Corolla campanulate. 



64 GASTROME'RIA. Calyx inflated, 5-toothed. Corolla cam- 

 panulate. 



3. Calyx compressed, cleft on one side, at length somewhat 

 4>-lobed. 



65 CENTRANTHE'RA. Character the same as that of the 

 section. 



TRIBE V. 



VERONI'CE^E. Calyx 4-5 parted, imbricate in aestivation. 

 Corolla rotate, 4-lobed, or tubular and sub-bilabiate. Stamens 

 2 or 4, exserted, distant ; anthers incumbent ; cells parallel, 

 distinct. Stigma capitate. Capsule membranous ; dissepiment 

 narrow, composed of two separable lamina ; placentas very 

 short, in the middle of the dissepiment. Seeds compressed, 

 with a membranous testa. Albumen cartilaginous. Embryo 

 minute, terete, located in the base of the albumen. Herbs or 

 subshrubs. Leaves usually opposite. Flowers axillary or ter- 

 minal, solitary or racemose, blue, red or white. 



S 1. Stamens 2. 



66 VERO'NICA. Calyx 4-5-parted. Corolla rotate, unequal. 



67 DIPLOPHY'LLUM. Calyx of 2 sepals. Corolla rotate, un- 

 equal. Capsule 4-seeded. 



68 LEPTA'NDRA. Corolla tubular, sub-ringent : lower seg- 

 ment the smallest. 



69 P^EDEROTA. Corolla tubular, straight, bilabiate : upper 

 lip entire, or emarginate. 



70 CALORHA'BDOS. Corolla tubular, incurved, with an 

 oblique, 2-3-cleft mouth. 



71 WULFE'NIA. Corolla tubular, declinate ; limb 4-5-cleft. 



72 GYMNA'NDRA. Corolla tubular, straight, with a sub- 

 bilabiate limb. 



2. Stamens 4, didynamous. 



73 PicRORuf ZA. Corolla campanulate, shorter than the calyx. 



74 GEOCHORDA. Corolla funnel-shaped. 



TRIBE VI. 



BUCHNE'RE*. Calyx tubular, striated, 5-cleft. Corolla sal- 

 ver-shaped ; limb nearly equal. Stamens 4, didynamous, inclosed. 

 Anthers for the most part 1-lobed, from the cells being 

 contiguous, seated on a thick, elevated connective. Stigma, 

 undivided. Capsule with a simple dissepiment ; placentas nar- 

 row, columnar, adnate longitudinally, or at length free. Seeds 

 minute, smooth, scrobiculate, with a membranous testa. Albu- 

 men fleshy. Embryo much shorter than the seed. Herbs or 

 subshrubs. Leaves opposite or alternate. Flowers terminal, 

 spicately racemose, white or red. 



1. Valves of capsule entire. 



75 STRIOA. Tube of corolla abruptly incurved ; limb bila- 

 biate. 



76 BUCHNE'RA. Calyx short, tubular, 5-toothed. Corolla 

 salver-shaped. Capsule straight. 



77 RHAMPHICA'RPA. Calyx campanulate, 5-cleft. Corolla 

 salver-shaped. Capsule obliquely beaked. 



78 CY'CNIUM. Calyx long, tubular, foliaceous. Corolla sal- 

 ver-shaped. Capsule straight, fleshy. 



Valves of capsule bifid. 



79 NYCTERI'NIA. Calyx bilabiate. Stamens 2, inclosed ; 

 with oblong-linear anthers ; the other 2 a little exserted, with 

 short or abortive anthers. 



80 POLYCARE'NA. Calyx bilabiate. Anthers all exserted, 

 and similar. 



81 PHYLLOPODIUM. Calyx 5-cleft. Anthers all exserted, 

 and similar. Bracteas adnate to the pedicels. 



82 SPHENA'NDRA. Calyx 5-cleft. Anthers similar, exserted. 

 Corolla rotate. 



83 CHNOSTOMA. Calyx 5-cleft. Anthers similar, exserted. 

 Bracteas free from the pedicels. Corolla campanulate or funnel- 

 shaped. 



84 LYPE'RIA. Calyx 5-cleft. Anthers all inclosed. Tube 

 of corolla gibbous or incurved ; limb bilabiate. Peduncles 

 axillary, or disposed in leafy racemes or spikes. 



85 MANULEA. Calyx 5-cleft. Anthers all inclosed. Co- 

 rolla tubular ; limb nearly equal. 



86 ERINUS. Calyx 5-parted. Corolla tubular, with a 5- 



