RUTACE^E. 



777 



unequal. Ovaries 5, connected, inserted in the disk, each con- 

 taining 2 ovulae. Leaves opposite, ternate. 



TRIBE VI. 



CUSPARIE'^E. Flowers regular or anomalous. Petals 5, free, 

 but usually joined into a bilabiate, campanulate, or funnel-shaped 

 corolla. In the polypetalous flowers the stamens are free. In the 

 monopetalous ones they adhere to the tube of the corolla. Fila- 

 ments sometimes all fertile, sometimes 2 or 3 of them are sterile. 

 Disk urceolate, girding the ovaries. Ovaries equal in number 

 with the petals, distinct, rarely connected, each containing 2 

 ovul<e. Styles connected at the top or bottom, but usually in one. 

 Albumen wanting. Trees and shrubs, rarely herbs, with alternate, 

 rarely nearly opposite leaves; these are sometimes simple, but 

 are usually trifoliate. Flowers disposed in terminal or axillary 

 racemes. 



31 SPIRANTHE'RA. Calyx 5-cleft. Petals 5, free. Stamens 

 5. Anthers at length spirally revolute. Ovaries 5, villous, 

 connected. Styles 5, joined. Leaves ternate. , 



32 GALIPEA. Calyx 5-toothed. Petals 5, connected at the 

 base. Filaments 5, rarely 6-8, 2-4 of which are sterile. Ovaries 

 5, connected. Styles 5, distinct, partly connected at the base, 

 or joined in one. Fruit only of 1-2 carpels from abortion. 

 Leaves simple and ternate. 



33 ALMEIDEA. Calyx 5-toothed. Petals 5, distinct. Sta- 

 mens 5. Ovaries 5, connected at the base. Fruit only of 1-2 

 1-2-seeded carpels. Leaves simple. 



34 DIGLOTTIS. Calyx 5-cleft. Petals 5, connected at the 

 base. Filaments 5, 3 of which are sterile. Anthers terminated 

 by a bearded ligula. Fruit of 5 1 -seeded carpels. Leaves 

 simple. 



35 ERYTHROCHITON. Calyx tubular, 5-cleft, connected into 

 2 nearly equal lips. Petals 5, connected. Filaments 5, all fer- 

 tile. Fruit of 5 1 -seeded carpels. Leaves simple. 



36 TICOREA. Calyx 5-cleft. Petals 5, connected at the base. 

 Filaments 5-7, rarely 8, 3 or 6 of which are sterile. Fruit of 5 

 connected, 1 -seeded carpels. Leaves ternate, rarely simple. 



37 MONNIE'RA. Calyx 5-parted. Petals 5, connected into a 

 bilabiate limb, lower lip 4-lobed, upper one 1-lobed. Filaments 

 5, 3 of which are sterile. Fruit of 5 or fewer 1 -seeded carpels. 

 A villous herb, with opposite or alternate trifoliate leaves. 



TRIBE VII. 



ZANTHOXY'LE;E. This tribe differs from the two last in the 

 flowers being of separate sexes. 



38 DICTYOLOMA. Calyx 5-parted. Petals 5. Stamens 5, 

 rising each from a woolly scale. Carpels 5, distinct, 2-valved, 

 3-4-seeded. Seeds kidney-shaped. Leaves pinnate. Male and 

 female flowers intermixed. 



39 GALVE'ZIA. Calyx 4-parted. Petals 4. Stamens 8, un- 

 equal. Styles 4, distinct at the base, but connected at the apex. 

 Drupes 4, 1 -seeded. Seeds egg-shaped. Leaves simple. Male 

 and female flowers on distinct branches or trees. 



40 BRU'CEA. Calyx 4-parted. Petals 4. Stamens 4. Styles 

 4, distinct. Drupes 4, 1-seeded. Leaves impari-pinnate. 



41 BRUNE'LLIA. Calyx 4-5-parted. Petals wanting. Sta- 

 vot. i. 



mens 8-10. Styles 4-5, distinct. Carpels 4-5, distinct, 1-2- 

 seeded. Leaves opposite or ternately verticillate, simple, tri- 

 foliate, and impari-pinnate. 



42 ZANTHOXYLUM. Calyx 3-4-5-parted, with an equal num- 

 ber of petals and stamens. Styles equal in number to the car- 

 pels, distinct, or connected at the apex. Carpels 1-5, sessile 

 or stipitate, 2-valved, 1-2-seeded. Leaves simple, ternate, 

 abruptly and impari-pinnate. 



43 BOYMIA. Male flowers unknown. Calyx 5-cleft. Petals 

 5. Styles 5, joined in one. Carpels 5, connected at the base, 

 diverging at the top, 1-seeded. 



44 TODDA'LIA. Calyx 5-toothed. Petals 5. Stamens 5. 

 Stigma almost sessile, peltate. Fruit fleshy, 5-furrowed, 5- 

 celled ; cells 1-seeded. Leaves trifoliate. Male and female 

 flowers on different branches. 



45 VE'PRIS. Calyx 4-parted. Petals 4. Stamens 8, un- 

 equal. Stigma sessile, convex, peltate. Fruit fleshy, 4-lobed, 

 4- celled; cells 1-seeded. Leaves trifoliate. Male and female 

 flowers on different branches. 



46 PIE' LEA. Calyx 4-5-parted. Petals 4-5. Stamens 4-5. 

 Fruit compressed, 2-3-celled; cells 1-seeded, turgid in the centre, 

 each cell expanded into an orbicular reticulated wing. Leaves 

 of 3, rarely of 5 leaflets. 



47 BLACKBU'RNIA. Calyx 4-toothed. Petals 4. Stamens 



4. Style filiform, crowned by a simple stigma. Ovary conical, 

 1-seeded. Male and female flowers on distinct trees. 



48 AILA'NTUS. Flowers polygamous. Calyx 5-cleft. Petals 



5. Stamens 10, unequal. Styles 3-5, rising from the notches 

 of the ovaries. Carpels 3-5, tongue-shaped, compressed, mem- 

 branous, tumid in the middle, 1 -celled, 1-seeded. Seeds 

 compressed. Albumen wanting. Leaves abruptly or impari- 

 pinnate. 



t Genera allied to Rutdcece, but are not sufficiently known. 



49 POLE'MBRYUM. Fruit nearly sessile, echinated, of 5 car- 

 pels, which are connected together at the sides, at length sepa- 

 rable, 2-valved, 1-seeded. Seeds ovate, furnished with a broad, 

 entire, black spot at the base. Cotyledons fleshy, unequal. 



50 PSEUDIOSMA. Calyx 5-parted. Petals 5. Anthers 5, 

 sessile, conniving. Ovary 5-lobed, girded by a crown-formed 

 thick nectary. Carpels 5, each seated on a proper pedicel, 

 rather kidney-shaped. Seeds solitary, not calyptrate. Leaves 

 simple. 



51 THYSA'NUS. Calyx of 5 sepals. Petals 5. Stamens 10, 

 short. Styles 4, inserted in the sides of the ovaries, crowned by 

 bifid stigmas. Drupes 4, oblong, recurved at the apex, woolly. 

 Seeds solitary, ovate, involved at the base by a fringed fleshy 

 tunic. Leaves pinnate. 



52 TETRA'DIUM. Calyx 4-parted. Petals 4. Stamens 4, 

 pilose. Ovary 4-lobed. Stigmas 4, awl-shaped. Capsules 4, 

 roundish. Seeds solitary, arillate. Leaves impari-pinnate. 



53 PHILAGONIA. Flowers dioecious. Calyx small, 4-toothed. 

 Petals 4, valvate in the bud. Stamens 4. Style short, crowned 

 by a large peltate stigma. Fruit capsular, 4-furrowed, 4-celled, 

 8-seeded. Seeds angular. Leaves impari-pinnate. 



5 G 



