SCROPHULARINEJE. 



501 



12 NEME'SIA. Corolla personate, spurred at the base. Cap- 

 sule compressed, truncate at apex. 



13 LEUCOPHY'LLUM. Corolla tubularly campamilate, bilabi- 

 ate, without any spur at the base ; palate convex. ? 



TEIBE III. 



GRATIOLEJE. Calyx usually tubular, 5-cleft. Corolla tubu- 

 lar, ventricose, sometimes personate ; limb 5-cleft, bilabiate. 

 Stamens 4, didynamous, all, or only 2 of them, fertile ; cells of 

 anthers diverging, distinct at apex. Stigma usually bilamellate. 

 Capsule often membranous, 2-celled, 2-4-valved, rarely almost 

 1 -celled ; dissepiment membranous, fixed to the inflexed margins 

 of the valves ; placentas spongy, at length free. Testa of seeds 

 somewhat crustaceous. Albumen fleshy. Embryo length of 

 seeds. Herbs rarely sub-shrubs. Leaves opposite, or verti- 

 cillate. Flowers axillary or terminal, usually yellow or purple. 



1 . Stamens 2, or 4, when 4, 2 of them are sterile. 



14 GRATI'OLA. Corolla tubular. Two upper stamens fertile. 

 Capsule 4-valved. 



15 BEYRI'CHIA. Corolla tubular. Two lower stamens fer- 

 tile. Valves of capsule hardly cleft. 



16 ACHETA'RIA. Corolla tubular. Two lower stamens fer- 

 tile. Valves of capsule bipartible. 



17 MONTIRA. Corolla funnel-shaped; limb 5-cleft, almost 

 equal. Capsule didymous, 4-valved. 



1 8 DOFA'TRIUM. Corolla much longer than the calyx, with a 

 wide throat. Two upper stamens fertile. Capsule 4-valved. 



19 MICROCARPJE'A. Corolla minute, hardly exceeding the 

 calyx. Stamens 2, none sterile. Capsule 2-valved. 



20 PEPLI'DIUM. Corolla equal in length to the calyx. Sta- 

 mens 2, none sterile. Capsule dehiscing irregularly. 



21 BONNA'YA. Stamens 4, 2 lower ones sterile. Capsule 

 dehiscing valvately. Valves entire. 



22 HYDROTRICHE. Corolla nearly regular. Stamens 2, 

 without any rudiments of sterile ones. 



23 HEMIA'NTHUS. Calyx 4-toothed, cleft. Upper lip of 

 corolla obsolete : lower one tripartite. Stamens 2 ; lateral clefts 

 antheriferous. 



24 PTEROSTI'GMA. Two upper stamens fertile ; upper seg- 

 ment of calyx the largest. Capsule with a loculicidal dehis- 

 cence ; valves bifid. 



2. Stamens 4, all fertile, sometimes nith the rudiment of 



a fifth. 



25 LINDENBE'RGIA. Cells of anthers separate. Calyx half 5-cleft. 



26 STEMODIA. Cells of anthers separate. Calyx 5-parted. 



27 DODA'RTIA. Calyx tubular; teeth straight. Lower lip 

 of corolla papillosely bigibbous at the base. 



28 MA'SUS. Calyx campanulate ; teeth spreading. Lower 

 lip of corolla papillosely bigibbous at the base. 



29 LIMNOPHILA. Calyx tubularly campanulate. Lower lip 

 of corolla glabrous, with flat segments. 



30 MORGA'NIA. Calyx 5-parted, equal. Lower lip of corolla 

 with obcordate, equal segments. 



31 HERPE'STIS. Segments of calyx very unequal. Corolla 

 bilabiate, with flat segments. Valves of capsule bipartite, with 

 flat margins. 



32 MECARDONIA. Segments of calyx unequal. Corolla tubu- 

 lar, sub-bilabiate. Stigma oblique, sub-capitate; valves of cap- 

 sule entire, parallel. 



33 BRA'MIA. Segments of the calyx unequal. Corolla cam- 

 panulate, somewhat regularly 5-cleft. Ovarium girded by a 

 toothed disk. Valves of capsule bipartite. 



34 SpHjEROTHE x CA. Segments of the calyx nearly equal. 

 Valves of capsule bipartite, with flat margins. 



35 DI'CEROS. Segments of calyx equal. Corolla funnel- 

 shaped: limb bilabiate. Anthers bicornute. Capsule globose ; 

 valves entire. 



36 LOXOPHY'LLUM. Calyx 5-parted, bilabiate. Corolla bila- 

 biate ; upper lip emarginate, erect. Stamens exserted. Capsule 

 globose ; valves bipartite. 



37 MATOU'REA. Calycine segments rather unequal. Valves 

 of capsule nearly entire. 



38 CACONA'PEA. Calycine segments unequal : upper one the 

 largest. Stamens inclosed. Valves of capsule bipartite. 



39 RANA'RIA. Calycine segments equal in length : the 3 

 outer ones the broadest. Limb of corolla 4-cleft, nearly equal. 

 Valves of capsule bipartite. 



40 VANDE'LLIA. Calyx nearly equal, 5-toothed, or 5-parted. 

 Two lower filaments appendiculate, or gibbous at the base. 

 Valves of capsules entire. 



41 E'LLOBUM. Calyx equal. Corolla funnel-shaped : limb 

 bilabiate ; upper lip retuse. Stamens exserted ; anthers con- 

 nected, mutic. Capsule silique-formed, subulate. 



42 ARTANE'MA. Calyx nearly equal. Tube of corolla fur- 

 nished with 4 scales inside. Two lower filaments appendicu- 

 late, or gibbous at the base. 



43 TORE V NIA. Calyx plicate, obliquely 5-toothed. Two 

 lower filaments appendiculate, or gibbous at the base. 



44 HETERA'NTHA. Anthers of the upper filaments large, and 

 clasping the style. Calyx 5-cleft. 



45 LINDE'RNIA. Anthers equal. Lower filaments bifid. 

 Calyx 5-parted. Valves of capsule entire. 



46 LIMOSE'LLA. Anthers equal. Calyx 5-toothed, or 5- 

 cleft. .Valves of capsule entire. 



47 HYDRANTHE V LIUM. Calyx deeply 4-parted. Corolla fun- 

 nel-shaped ; limb 3-lobed : the hind lobe large and emarginate. 

 Anthers equal. 



48 CONOBEA. Calyx 5-cleft. Capsule 1 -celled, 4-valved. 

 Anthers sagittate. 



49 MIMULUS. Calyx 5-toothed. Corolla personate. Cap- 

 sule 2-valved, with flattish margins. 



50 LEUCOCA'RPUS. Calyx 5-toothed. Corolla personate. 

 Fruit baccate. 



51 UVEDA'LIA. Calyx 5-toothed. Corolla ringent. Capsule 

 4-valved, with flattish edges. 



52 HEMIPHRA'GMA. Corolla tubular, sub-bilabiate. Capsule 

 baccate, 2-valved ; valves bipartite. 



53 COLLI'NSIA. Corolla gibbous above the base : limb very 

 irregular. Capsule 2-valved ; valves bipartite. 



TRIBE IV. 

 GEKARDIE'*. Calyx tubular, 5-toothed. Corolla campanu- 



