APOCYNEJE. XLII. RAUWOLFIA. XLIII. DISSOLENA. XLIV. OCHEOSIA. XLV. OPHIOXYLOX. 



99 



Shining-leaved Rauwolfia. Fl. June, Sept. Clt. 1752. 

 Tree 1 2 feet. 



4 R. BRAZILIE'XSIS (Spreng. syst. 1. p. 834.) leaves 3 in a 

 whorl, elliptic-oblong, acute, opaque, having the veins and 

 nerves downy beneath ; peduncles 1 -flowered, axillary, thick, 

 and are, as well the calyxes, silky. Tj . S. Native of Brazil. 



Brazilian Rauwolfia. Shrub. 



5 R. PARVIFLORA (Bert, ex Spreng. syst. 1. p. S34.) leaves 3 

 in a whorl, oblong-lanceolate, rather unequal ; peduncles 1- 

 flowered, capillary, axillary, shorter than the leaves. T? . S. 

 Native of Brazil. 



Small-Jlon-ered Rauwolfia. Shrub. 



6 R. CAKE'SCENS (Lin. syst. 250.) leaves 4 in a whorl, oblong- 

 obovate, acuminated, downy ; corymbs few-flowered. Tj . S. 

 Native of Jamaica, and other West India Islands. R. subpubes- 

 cens, Lin. spec. SOS. R. hirsuta, Jacq. amer. p. 47. ed. pict. p. 

 259. f. 17. Plum. gen. 9. icon. 236. f. 2. Sloane, jam. 173. 

 hist. 2. p. 107. t. 188. f. 1. Pluk. phyt. 266. f. 2. Branches 

 rather tomentose. Leaves more tomentose beneath than hairy. 

 Calycine segments lanceolate. Segments of corolla nearly 

 square, sub-emarginate. Drupes dark red. Flowers small, red. ? 



Canescent Rauwolfia. Fl. June. Clt. 1739. Shrub 2 to 8 feet. 



7 R. TOMENTOSA (Lin. spec. 303.) leaves 4 in a whorl, ob- 

 long, attenuated at both ends, tomentose ; corymbs few-flowered. 

 H . S. Native on rocks and walls, of Carthagena, iu South 

 America. Jacq. amer. 48. obs. 2. t. 35. Flowers small, white. 

 Calycine segments ovate. Fruit at length nearly black. 



Tomentose Rauwolfia. Fl. April, Oct. Clt. 1823. Shrub 

 3 to t feet. 



' * Specie* natives of the East Indies. 



8 R. SCMATRA'XA (Jack, mal. misc. 1. no. v. p. 22. ex Roxb. fl. 

 ind. 2. p. 513. Blum, bijdr. p. 1034.) leaves 3-4 in a whorl, 

 cuneate-oblong, or obovate, glabrous ; umbels or corymbs termi- 

 nal, pedunculate, few-flowered ; mouth of corolla shut by 5 

 fascicles of villi. fj . S. Native of Java and Sumatra, frequent 

 in the neighbourhood of Bencoolen. This shrub resembles the 

 Manggalaid, or Tanghinia Mdnghas, in habit and foliage. 

 Leaves 6 inches long. Flowers small, white. Segments of 

 corolla roundish. Stigma peltate. This species resembles R. 

 nitida, but is sufficiently distinguished by its inflorescence. The 

 wood, being light, is employed by the Sumatrans, for scabbards 

 to their swords, and krises. 



Sumatra Rauwolfia. Tree 12 to 15 feet. 



* * * A species native of Africa. 



9 R. VOMITORIA (Afz. rem. guin. ex Spreng.) leaves 4 in a 

 whorl, oblong-lanceolate, on long petioles ; branches tetragonal ; 

 flowers axillary, umbellate. Jj . S. Native of Guinea. 



Vomit Rauwolfia. Shrub. 



Cult. For culture and propagation see Taberruemontana, p. 92. 



XLIII. DISSOLENA (from fa, dis, double; and <rXij>-, 

 solen, a tube ; the lower part of the tube of the corolla is different 

 from that of the upper.) Lour. coch. p. 138. 



LIN. SYST. Pentdndria, Monogynia. Calyx tubular, 5-cleft; 

 segments subulate, erect. Corolla with a long tube of two 

 forms : lower part thick, pentagonal, and staminiferous ; upper 

 part cylindrical : limb spreading, 5-cleft. Stamens inserted be- 

 neath the mouth of the lower part of the tube. Style shorter 

 than the stamens ; stigma sub-ovate, thick, scabrous. Drupe 

 small, ovate, containing a compressed, scabrous, 1-celled, 1- 

 seeded nut. An upright shrub, with spreading branches. Lower 

 leaves opposite ; upper ones 3-4 in a whorl. Racemes sub- 

 divided, terminal. Corollas white. Drupes black, glabrous. 

 Nearly allied to Raunolfa or Ochrosia. 



1 D. VERTICILLA'TA (Lour. coch. p. 138.) 1? . G. Native 

 of China, in the province of Canton. Cerbera Chinensis, Spreng. 

 syst. 1 . p. 643. 



IFAorferf-leaved Dissolena. Fl. ! Clt. 1812. Shrub 8 feet. 



Cult. For culture and propagation see Taberrn?montana, p. 92. 



XLIV. OCHROSIA (from xPc echrot, pale yellow ; 

 colour of flowers.) Juss. gen. 144. Labill. sert. cal. 25. 

 Cerbera species of authors. 



LIN. SYST. Pentandria, Monogynia. Calyx small, 5-toothed, 

 or 5 -parted. Corolla funnel-shaped ; segments of the limb 2- 

 lobed, spreading, oblique. Stamens 5, inserted in the throat. An- 

 thers inclosed. Stigma thick, 2-lobed. Fruit twin, or solitary bv 

 abortion, drupaceous, each containing a 2-4-celled nut ; each cell 

 1-2-3-seeded. Seeds oblong, unequal, flat, with membranous 

 edges, albuminous ? Glabrous shrubs, with verticillate leaves, 

 4 in a whorl; and dichotomous corymbs of flowers. 



1 O. BORBONICA (Juss. gen. p. 145.) leaves 4 in a whorl ; 

 ovate-lanceolate, shining ; corymbs terminal, and in the forks of 

 the branches. Vj. S, Native of Bourbon, Isle of France. 

 Ophioxylon Ochrosia, Pers. ench. 1. p. 266. Rauwolfia striata, 

 Poir. diet. 4. p. 85. no. 5. suppl. 4. p. 120. and p. 656. Dide- 

 rota amphicarpa, Comm. mss. Cerbera Borbonica, Spreng. 

 syst. 1. p. 642. Habit of Ophioxylon terpentinum. Stem yel- 

 lowish. Leaves 2-5 inches long, greenish yellow beneath. 

 Corymbs dense. Corolla cream-coloured. Drupes 2-celled. 



Bourbon Ochrosia. Fl. ? Clt. 1823. Shrub. 



2 O. MACCLA'TA (Jacq. coll. 4. p. 218. icon. rar. 2. t. 321, ex- 

 lusive of the syn. of Forst. Dryander, in Lin. trans. 2. p. 227.) 

 leaves 3-4 in a whorl, oblong-lanceolate, acuminated at both 

 ends, undulated, veiny, spotted ; corymbs terminal, and in the 

 forks of the branches, or axillary. V? . S. Native of the Island 

 of Bourbon. Cerbera maculata, Willd. spec. 1. p. 1223. Cerbera 

 undulata, Andr. rep. t. 130. The leaves only spotted in the 

 dried state, shining, 4 inches long. Corolla white, with a red 

 throat. Fruit yellow, acuminated, containing a"2-celled nut. 



Spotted-leaved Ochrosia. Shrub 4 to 6 feet. 



3 O. ELLIFTICA (Labill. sert. cal. p. 25. t. 30.) leaves elliptic, 

 3 in a whorl ; drupe 4-celled. fj . S. Native of New Cale- 

 donia. An erect shrub. Leaves emarginate, coriaceous ; pe- 

 tioles furnished with papillaeform or lamellose resin inside. 

 Flowers sub-corymbose, interpetiolar and terminal. Follicles 

 sub- triquetrous. 



EUiptic-leaved Ochrosia. Shrub erect. 



4 O. PARVIFLORA ; leaves 4 in a whorl, oblong, bluntish, pa- 

 rallelly-veined, flat ; cymes pedunculate, sub-axillary, branched, 

 divaricate. Ij . S. Native of the Sandwich Islands. Cerbera 

 parviflora, Forst. prod. no. 121. Hook, and Am. in Beech, voy, 

 pt. bot. p. 90. Very nearly allied to O. maculata. 



Small -faltered Ochrosia. Shrub 3 to 4 feet. 



Cult. For culture and propagation see Tabertuemontdna, p. 92. 



XLV. OPHIO'XYLON (from of i , opkit, a serpent ; and 

 SuXov, xylon, wood ; twisted root and stems.) Lin. gen. no. 142. 

 Juss. gen. 321. Gaertn. fruct. 2. p. 129. t. 109. Roxb. fl. ind. 

 2. p. 530. Blum, bijdr. p. 1037. 



LIN. SYST. Pentdndria, Monogynia. Calyx 5-cleft, or 5- 

 toothed, permanent. Corolla funnel-shaped, with a long tube, 

 which is thickened in the middle, and a 5-cleft, oblique limb. 

 Anthers almost sessile, inserted in the middle of the tube. 

 Ovarium didymous ; lobes 1-ovulate. Style filiform, inclosed; 

 stigma capitate. Drupe baccate, black, size of a pea, twin, or 

 solitary by abortion, each containing a 1 -seeded, wrinkled nut. 

 Embryo inverted, straight, nearly as long as the albumen, with 

 round, cordate cotyledons, and a sub-cylindrical radicle. Albu- 

 men conforming to the seed, greenish white. A glabrous, twining 

 o 2 



