\ 



776 



RUTACEjE. 



Style deflexed. Capsule 5-valved, 5-celled ; cells 2-seeded. 

 Leaves opposite. 



7 ADENA'NDRA. Stamens 10, the 5 opposite the petals 

 sterile, each ending in a globose or concave gland. Anthers ter- 

 minated by a shell-like, rarely globose, pedicellate gland. Car- 

 pels 5, 1-2-seeded. Leaves alternate, rarely opposite. 



8 COLEONE'MA. Stamens 10, the 5 opposite the petals sterile, 

 and adnate to their base, fitted into a channel, and terminating 

 in a gland. Anthers terminated by a minute sessile gland. 

 Capsule of 5 horned carpels. Leaves scattered. 



9 DIOSMA. Stamens 5, alternating with the petals. Anthers 

 round, terminated by a sessile gland. Style usually a little 

 arched. Capsule of 5 horned carpels. Leaves scattered or 

 opposite. 



10 EUCH./E TIS. Stamens 5, opposite the calycine segments. 

 Anthers terminated by a minute globose gland. Capsule of 5 

 horned carpels. Petals bearded inside. Leaves scattered. 



11 ACMADE'NIA. Stamens 10, the 5 opposite the petals 

 sterile or almost wanting. Anthers furnished with a conical 

 gland at the apex. Style crowned by a 5-furrowed stigma. 

 Capsule of 5 compressed, horned carpels. Leaves opposite. 



12 BARO'SMA. Stamens 10, the 5 opposite the petals sterile, 

 fringed, petaloid, obscurely glandular at the apex. Anthers egg- 

 shaped, usually furnished with a minute gland at the apex. 

 Capsule of 5 auricled carpels. Leaves opposite or scattered. 



13 AGATHOSMA. Stamens 10, the 5 opposite the petals 

 sterile, spatulate, beset with glandular dots. Anthers terminated 

 by a globular gland. Capsule of 5 joined, horned carpels. 

 Leaves scattered. 



14 MACROSTYI.IS. Stamens 5, alternating with the petals. 

 Anthers globose, each furnished with a minute gland at the apex. 

 Capsule of 3 horned carpels. Leaves scattered, rarely opposite. 



15 EMPLEU'RUM. Flowers monoecious or polygamous from 

 abortion. Calyx 4-cleft. Disk and petals wanting. Stamens 

 4, with the anthers longer than the filaments, each terminated 

 by an immersed gland. Carpels 1-2, legume-formed, 2-valved, 

 1-seeded, horned. Leaves alternate, serrulated. 



TRIBE IV. 



E. Flowers regular (f. 123. 6.). Pe- 

 tals 4-5. Stamens hypogynous, double the number of the pe- 

 tals (f. 123. d. c.), allfertile. Disk wanting. Ovaries distinct 

 or connected. Styles joined, crowned by an equal number (f. 123. 6.) 

 of stigmas. Albumen dense. Shrubs, natives of New Holland. 



16 CORR V A. Calyx 4-toothed. Petals 4, joined into a tube. 

 Stamens 8. Ovary 8-lobed. Style 4-furrowed. Carpels 4, 

 capsular ; cells 2-3-seeded. Leaves opposite, entire. 



17 DipLOL.fi NA. Involucre double, outer one 5-lobed, inner 

 one 10-1 5-parted, containing many flowers. Calyx 5-parted. 

 Petals none. Stamens 10, unequal, fringed at the base. Style 5- 

 furrowed. Fruit of 5 carpels, 1 -celled, 1-seeded. Leaves alter- 

 nate. 



18 PHEBA HUM. Calyx 5-cleft(f. 123. a.). Petals 5 (f. 123. 

 6.). Stamens 10 (f. 123. d. c.), unequal, smooth. Style (f. 123. 



e.} and stigma 5-furrowed (f. 123. d.~). Fruit of 5 capsular, 2- 

 valved, 1-seeded carpels (f. 123. /.), girded by the calyx. 

 Leaves alternate, simple, entire. 



19 PHILOTHE'CA. Calyx 5-parted. Petals 5, unguiculate. 

 Stamens 10, unequal, connate at the base, with the tube smooth, 

 and the free part of the filaments hairy. Fruit of 5 1-seeded 

 carpels. Leaves alternate, linear. 



20 CROWEA. Calyx 5-parted. Petals 5, sessile. Stamens 

 10, unequal, fringed, lying close together. Anthers ending in a 

 bearded appendage. Fruit of 5 1-seeded carpels. Leaves alter- 

 nate, entire. 



21 ERIOSTE'MON. Calyx 5-parted. Petals 5, marcescent. 

 Stamens 10, unequal, free, fringed,, tapering into a thread which 

 bears the anthers. Fruit of 5, rarely 1-2 carpels. Leaves entire, 

 alternate. 



22 BORONIA. Calyx 4-parted. Petals 4, marcescent. Sta- 

 mens 8, unequal, free. Anthers seated on the short threads 

 which terminate the filaments. Fruit of 4 2-valved carpels. 

 Leaves simple or impari-pinnate. 



23 ZIE'RIA. Calyx 4-parted. Petals 4. Stamens 4, rarely 

 8, smooth, with a gland on the inside of each. Capsule 4-lobed, 

 4-celled, 4-seeded. Leaves trifoliate, seldom simple. 



TRIBE V. 



DIOSMES-AMERICA'N^:. Flowers regular. Petals free. Sta- 

 mens twice the number of the ovaries. Disk surrounding the 

 ovaries, or wanting. Styles connected, crowned by as many lobes 

 as there are cells or carpels, sflbumen fleshy, rarely wanting. 

 Trees or shrubs, with opposite, alternate, simple, bifoliate, and 

 trifoliate leaves. Flowers axillary or terminal, panicled, race- 

 mose or corymbose. 



24 MELI'COPE. Calyx 4-parted. Petals 4, unguiculate, ap- 

 proximate. Stamens 8. Ovaries 4, surrounded by 4 large, 

 didymous glands. Leaves opposite, ternate. 



25 EVODIA. Calyx 4-parted. Petals 4. Stamens 4. Ovaries 

 4, surrounded by a cup-shaped, 4-lobed disk. Fruit of 4, rarely 

 fewer, 2-valved, 1 -seeded carpels. Leaves opposite, simple, and 

 trifoliate. 



26 ESENBE'CKIA. Calyx 5-parted. Petals 5. Stamens 5. 

 Ovary sessile, tubercled, 5-lobed, 5-celled, surrounded by a 5- 

 lobed disk ? Leaves alternate, simple, and trifoliate. 



27 METRODOREA. Calyx 5-cleft. Petals 5. Stamens 5. 

 Ovary buried in the disk, and confused with its substance, tu- 

 bercled, 5-lobed, 5-celled. Cells 1-2-seeded. Leaves oppo- 

 site, simple, rarely bi-foliate. 



28 PILOCA'RPUS. Calyx small, 5-toothed. Petals 5. Sta- 

 mens 5. Fruit of 5 or fewer small, 1-seeded carpels, immersed 

 in the base of the gynophore. Leaves alternate and opposite, 

 simple, bifoliate, and trifoliate. 



29 HORTIA. Calyx bluntly 5-toothed. Petals 5, bearded 

 inside. Stamens 5. Ovary smooth, pentagonal, 5-celled, seated 

 on the disk. Capsule 2-4-5-celled ; cells 1-2-seeded. Leaves 

 alternate, simple. 



30 CIIOI'SYA. Calyx of 5 sepals. Petals 5. Stamens 10, 



