BIGXONIACE.E. 



215 



silique-ibrmed, falcate, falsely 4-celled ; dissepiment contrary, 

 corky. 



3 TB'COMA. Calyx 5-toothed. Corolla with a short tube, 

 a campanulate throat, and a 5-lobed sub-bilabiate limb. Sta- 

 mens 4, didynamous, with a fifth sterile filament. Lobes of an- 

 thers divaricate. Capsule silique-forrned ; dissepiment contrary. 



4 JACARA'XDA. Calyx 5-toothed, rarely entire. Corolla 

 with a short tube, a campanulate throat, and a 5-lobed, bilabiate 

 limb. Stamens 4, didynamous, with the rudiment of a fifth ; 

 anthers usually 1-lobed, rarely 2-lobed. Capsule broad, com- 

 pressed : dissepiment contrary ; valves woody. 



5 AMPHILOPHICM. Calyx with a double limb ; inner one 

 bilabiate ; outer one undulately curled. Corolla sub-coria- 

 ceous ; with a short tube, a large ventricose throat, and a bi- 

 labiate limb ; upper lip galeate, bidentate ; lower one tridentate. 

 Stamens 4, didynamous ; with the rudiment of a fifth. Lobes 

 of anthers divaricate. Capsule ovate, rather ligneous ; dissepi- 

 ment parallel. ? 



6 ZEYHE'RIA. Calyx spathaceous, closed, at length bipar- 

 tite. Corolla with a short tube, and a 5-lobed, somewhat bila- 

 biate limb. ? Stamens 4, didynamous, with the rudiment of 

 a fifth. Capsule echinated, orbicular, compressed ; dissepiment 

 contrary. 



7 FREDERICIA. Calyx coloured, pentagonal, 5-toothed. Co- 

 rolla salver-shaped, with a cylindrical tube, and a spreading, 5- 

 6-cleft, equal border. Stamens 4, didynamous, with the rudi- 

 ment of a fifth. Capsule oblong, compressed, acutish ; dissepi- 

 ment contrary. 



8 FERDIXAXDU'SIA. Calyx 4- toothed. Corolla funnel-shaped, 

 4-parted ; segments bifid, bearded. ? Stamens 4, didynamous, 

 with the rudiment of a fifth. Capsule compressed, elliptic, 2- 

 celled, 4-valved ; dissepiment contrary. ? 



9 STEXOLOBICM. Calyx 5-toothed, small. Corolla with a 

 narrow tube, a dilated, campanulate throat, and a 5-lobed, 

 bilabiate limb. Stamens 4, didynamous, with the rudiment of a 

 fifth ; lobes of anthers linear, divaricate. Capsule linear, 

 silique-formed ; dissepiment parallel. 



10 DELOSTOMA. Calyx 3-lobed, coriaceous. Corolla funnel- 

 shaped, with a dilated throat, and a spreading, bilabiate limb. 

 Stamens 4, didynamous, with the rudiment of a fifth. Lobes of 

 anthers parallel. Capsule lanceolate, compressed ; valves coria- 

 ceous : dissepiment parallel. 



11 ASTIA'XTHCS. Calyx tubular, 5-toothed. Corolla with 

 a short tube, a campanulate throat, and a 5-lobed, bilabiate limb. 

 Stamens 4, didynamous, with the rudiment of a fifth. Lobes of 

 anthers confluent. Capsule silique-formed ; dissepiment pa- 

 rallel. Seeds winged, and pappose. 



12 CHILOPSIS. Calyx ventricose, membranous, cleft even to 

 the base on the lower side ; limb oblique, tridentate. Corolla 

 with a short tube, a campanulate throat, and a 5-lobed, bila- 

 biate limb. Stamens 4, didynamous, with the rudiment of a 

 fifth. Lobes of anthers equal, divaricate. Capsule short, 

 silique- formed ; dissepiment contrary. 



13 OXE'RA. Calyx 4-parted. Corolla with a short tube, 

 a dilated throat, and a 4-cleft, nearly equal limb. Stamens 4, 



didynamous, 2 of which are sessile. Ovarium 4-lobed, seated 

 on a glandular disk. Fruit unknown. Probably a genus of 

 Cyrtandraceae. 



2. Stament 5, all fertile. 



14 PIATYCA'RPCIC. Calyx 5-parted. Corolla with a short 

 tube, a funnel-shaped throat, and a 5-lobed, nearly equal limb. 

 Stamens 5, equal, fertile. Capsule didymous, ligneous, com- 

 pressed ; dissepiment contrary ; cells 2-seeded. 



15 CALOSA'NTHES. Calyx entire. Corolla with a short 

 tube, a campanulate throat, and a 5-cleft, curled, bilabiate limb. 

 Stamens 5, all fertile, the exterior pair the longest. Capsule 

 silique-formed, compressed ; dissepiment contrary. 



3. Stament 4, didynamous, nithout the rudiment of the sterile 



one. 



16 MILIINGTOXIA. Calyx slightly 5 -par ted. Corolla with a 

 long, slender tube ; a funnel-shaped, 4-parted limb ; the upper 

 segment broadest, and nearly half 2-cleft. Stamens 4, didyna- 

 mous, without any rudiment of a fifth. Capsule silique-formed. 

 slender ; dissepiment parallel. 



17 ARGT N LIA. Calyx 5-cleft. Corolla with a short tube, a 

 campanulate throat, and a 5-lobed, somewhat bilabiate limb. 

 Stamens 4, didynamous, without any rudiment of a fifth. An- 

 thers bearded ; lobes equal, divaricate. Capsule silique-formed, 

 compressed ; dissepiment parallel. 



18 INCARVII.LEA. Calyx tri-bracteate, 10-cleft; the 5 outer 

 segments subulate ; the 5 inner shorter and bifid. Corolla 

 with a short tube, a ventricose throat, and a 5-lobed, bilabiate 

 limb. Capsule silique-formed, 6-ribbed ; dissepiment bilamel- 

 late, contrary. 



19 WIGHTIA. Calyx 4- toothed. Corolla funnel-shaped; 

 limb 4-cleft, upper segment 2-lobed. Stamens 4, didynamous, 

 without any rudiment of a fifth. Hypogynous disk wanting. 

 Stigma clavate, undivided. Capsule silique-formed; dissepi- 

 ment parallel. Seeds imbricated lengthwise. 



4. Stamens 5,2 of which fertile, and 3 sterile. 



20 CAIA'LPA. Calyx 2-parted. Corolla with a short tube, 

 a ventricose, campanulate throat, and an unequal, 4-lobed limb. 

 Stamens 5, 2 fertile, and 3 sterile. Capsule silique-formed ; 

 dissepiment parallel. 



21 SCHREBE'RA. Calyx tubular, bilabiate ; lips nearly equal, 

 emarginate. Corolla salver-shaped, with a cylindrical tube, and 

 a spreading, 5-6-7-cleft border. Stamens, 2 fertile, and 3 sterile. 

 Capsule pear-shaped, woody ; dissepiment parallel. 



TBIBE II. 



TOCRRETIB'J;. Capsule 1 -celled, 2-valved; valves placenti- 

 ferous in the middle. Placentas 2, large and fleshy. Seeds 

 imbricated, horizontal, flattened, girded by a membranous 

 margin. 



22 TOURRE'TTIA. Calyx bilabiate ; upper lip acuminated ; 

 lower one 4-notched. Corolla with the tube equal in length to 

 the calyx, and a unilabiate limb ; upper lip drawn out into a 



