DIDYNAMIA. 



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DIDYNAMIA. 



TORENIA Calix two-lipped, upper lip tbree-cusped ; fila- 

 ments, the lower with a sterile branchlet ; capsule two- 

 celled. 



SCROPHULARIA, Figwort Calix five-cleft; corolla sub- 

 globular, resupine ; capsule superior, two-celled. 



CELSIA Calix five-parted; corolla rotated; filaments 

 bearded; capsule two-celled. 



DIGITALIS, Foxglove Calix five-parted; corolla bell-form, 

 five-cleft, bellying; capsule ovate, two-celled. 



BIGNONIA, Trumpet Flower Calix five-cleft, cup-form ; 

 corolla, throat bell-form, five-cleft, ventricose beneath ; 

 silique two-celled ; seeds membrane-winged. 



BRUNFELSIA Calix five-toothed, narrow; corolla with a 

 very long tube; capsule "one-celled, many-seeded, with a 

 very large fleshy receptacle. 



CITHAREXYLUM, Fiddlewood Calix five-toothed, bell-furm; 

 corolla fu nnel- wheel-form ; segments above villose, equal; 

 berry two-seeded ; seeds two-celled. 



HALLERIA, African Fly Honeysuckle Calix trifid ; corolla 

 quadrifid ; filaments longer than the corolla; berry supe- 

 rior, two-celled. 



CRESCENTIA, Calabash Tree Calix two-parted, equal; co- 

 rolla gibbous ; berry pedicelled, one-celled, many-seeded ; 

 seeds two-celled. 



GMELINA Calix slightly four-toothed; corolla four-cleft, 

 bell-shaped ; anthers two-parted, two simple ; drupe with 

 a two or three celled nut. 



PETREA Calix five-parted, very large, coloured ; corolla 

 wheel-shaped ; capsule two-celled, at the bottom of the 

 calix; seeds solitary. 



LANTANA Calix obscurely four-toothed ; stigma hook- 

 refracted ; drupe with a two-celled nucleus. 



LOESELIA Calix four-cleft; corolla with all the segments 

 directed one way ; stamens opposite the petals ; capsule 

 three-celled, Or, according to Gsertner, Calix five-toothed ; 

 corolla deeply five-cleft, with oblong ciliated segments; 

 stamens five, unequal ; capsule gaping at top. 



CAPRARIA, Goat-weed Calix five-parted ; corolla bell-form, 

 five-cleft, acute; capsule bivalve, bilocular, many-seeded. 



HEBENSTREITIA Calix emarginate, cleft underneath; co- 

 rolla one-lipped, lip ascending, four-cleft; stamens in- 

 serted into the edge of the border of the corolla; capsule 

 containing two seeds. 



ERINUS Calix five-leaved; corolla, border five-cleft, equal, 

 with the lobes emarginate ; upper lip very short, reflex ; 

 capsule two-celled. 



BUCHNERA Calix obscurely five-toothed; corolla, border 

 five-cleft, equal, lobes cordate; capsule two-celled. 



LIMOSELLA, Mudwort Calix five-cleft ; corolla five-cleft, 

 equal ; stamens approximating by pairs ; capsule one- 

 celled, two-valved, many-seeded. 



HEMIM.ERIS Calix five-parted ; corolla wheel-form, upper 

 lip cloven, with a nectariferous bag at the base. 



CASTILLEIA Calix tubular, compressed, tipper lip bifid, 

 lower none; corolla, lower lip trifid, with two glands 

 between the segments; capsule two-celled. 



THUNBEROIA Calix double, outer two-leaved, inner many- 

 toothed ; corolla bell-shaped; capsule beaked, two-celled. 



AMASONIA Corolla tubulous, border small, quinquefid ; nut 

 ovate, one-celled. 



3. With a double Stigma. 



STEMODIA Calix five-parted ; corolla two-lipped ; filaments 

 four, cloven, two-antliered ; capsule two-celled. 



OBOLARIA Calix two-leaved, or none, except two bractes ; 

 corolla four-cleft, bell-shaped; stamens from the slits of 

 the corolla; capsule one-celled, two-valved, many-seeded. 



OROBANCHE, Broom Rape Calix bifid; corolla ringent; 

 capsule one-celled, two-valved, many-seeded : a gland 

 under the base of the germen. 



DODARTIA Calix five-toothed; corolla, lower lip twice as 

 long as the upper; capsule two-celled, globular. 



SESVMUM, Oily Grain Calix five-parted ; corolla bell- 

 shaped, five-cleft, the lower lobe larger ; rudiment of a fifth 

 filament; stigma lanceolate, divided; capsule four-celled. 



MIMULUS, Monkey Flower Calix four-toothed, prismatical; 

 corolla ringent, the upper lip folded back at the sides; 

 capsule two-celled, many-seeded. 



RUELLIA Calix five-parted; corolla subcampanulate ; sta- 

 mens approximating by pairs ; capsule opening by elastic 

 teeth. 



BARLERIA Calix four-parted ; stamens, two far less than 

 the others; capsule quadrangular, bilocular, bivalvular, 

 elastic, without the claws; seeds two. 



DURANTE Calix five-cleft, superior; berry four-seeded; 

 seeds two-celled. Or, according to G&ertner, Calix five- 

 toothed ; corolla funnel-shaped, five-cleft; berry one- 

 celled, containing four two-celled stones. 



OVIEDA Calix five-cleft ; corolla, tube cylindrical, superior, 

 very long ; border three-lobed, or three-cleft ; berry glo- 

 bular, one-celled, quadripartite, four-seeded. 



VOLKAMERIA Calix five-cleft ; corolla, segments directed 

 the same way ; drupe two-celled ; nuts two-celled, with 

 two kernels. 



CLERODENDRUM Calix five-cleft, bell-shaped; corolla with 

 a filiform tube, and a funnel-shaped, five-parted, equal 

 border ; stamens very long, gaping very much between 

 the segments ; berry one-celled, with four stones, and a 

 single seed in each. 



VITEX, Chaste Tree Calix five-toothed ; corolla, border 

 two-lipped ; middle segment of the lower lip largest ; 

 drupe one-seeded, a four-celled nut. 



BONTIA, Barbadoes Wild Olive Calix five-parted; corolla 

 two-lipped, lower lip three-parted, revolute ; drupe ovate, 

 one-seeded, with the end oblique. 



COLUMNEA Caiix five-parted; corolla ringent, upper lip 

 three-parted, the middle part vaulted, emarginate, gibbous 

 above at the base ; anthers connected ; capsule two-celled ; 

 seeds nestling. 



ACANTHUS, Bear's Breech Calix two-leaved, bifid; corolla 

 one-lipped, bent down, trifid ; capsule two-celled. 



PEDALIUM Calix five-parted; corolla subringent, with a 

 five-cleft border ; nut suberous, four-cornered, thorny at 

 the corners, two-celled ; seeds two. 



AVICENNIA Calix five-parted ; corolla two-lipped, upper 

 lip square; capsule coriaceous, rhomboidal, one-seeded. 



VANDELLIA Calix four-parted ; corolla ringent ; filaments, 

 the two outer from the disk of the lip of the corolla ; 

 anthers connected by pairs; capsule one-celled, many- 

 seeded. 



MANULEA Calix five-parted; corolla with a five-parted, 

 awl-shaped border, the upper segments more connected ; 

 capsule two-celled, many-seeded. 



BESLERIA Calix five-parted; berry subglobular, many- 

 seeded. 



LINDERNIA Calix five-parted; corolla ringent, with the 

 upper lip very short; stamens, the two lower with a termi- 

 nating tooth, and a sublateral anther ; capsule one-celled. 



PREMNA Calix two-lobed ; corolla four-cleft; berrv four- 

 celled ; seeds solitary. 



IlyoBANCHE Calix seven-leaved; corolla ringent, without 



any lower lip; capsule two-celled, many-seeded. 



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