78 



APOCYNE^E. V. PACHYPODIUM. VI. ICHNOCARPUS. VII. HOLARRHENA. VIII. ISONEMA. IX. VALLARIS. 



Glabrous Pachypodium. Fl. July, Nov. Clt. 1795. Sh. 1 ft. 



2 P. TOMENTOSUM; leaves linear or lanceolate, tomentose be- 

 neath ; glabrous above. T? . G. Native of the Cape of Good 

 Hope, in arid places. Echites succulenta, Thunb. prod. 37. 

 nov. act. petrop. 14. p. 505. t. 9. f. 2. Lin. suppl. 167. 

 Prickles filiform, setaceous. Leaves green above, but clothed 

 with fine villi beneath, about an inch long. Corollas rufescent. 

 Follicles ovate, acute. 



Tomentose Pachypodium. Fl.Jul. Nov. Clt. 1820. Sh. 1 ft. 



3 P. TUBEROSUM (Lindl. bot. reg. 1321.) stem tuberous at 

 the base ; leaves oblong, tomentose beneath, glabrous above. 



f; . G. Native of the Cape of Good Hope, in barren plains. 

 Echites tuberosa, Haw. syn. pi. succ. p. 6. ? Lodd. bot. cab. 

 1676. Prickles straight, subulate. Corolla red outside, and 

 whitish on the upper surface of the limb, tinged with red. 



Tuberous-rooted Pachypodium. Fl. June, Nov. Clt. 1813. 

 Shrub 1 foot. 



Cult. These are very pretty succulent shrubs. A mixture 

 of lime-rubbish, sand, and loam is the best soil for them : and 

 cuttings will strike root readily in sand, under a hand-glass. 

 The plants should not get too much water, when not in a grow- 

 ing state. 



VI. ICHNOCA'RPUS (ix^e. ichnos, a vestige, and 

 karpos, a fruit ; in reference to the slender follicles). R. Br. in 

 mem. wern. soc. 1. p. 62. Apocynum frutescens, Lin. 



LIN. SYST. Pentandria, Monogynia. Calyx 5-cleft. Corolla 

 salver-shaped; segments of the limb dimidiate, twisted, hairy; 

 throat and tube without any scales. Stamens inclosed ; anthers 

 sagittate, free from the stigma. Ovaria twin. Style 1, fili- 

 form ; stigma ovate, acute. Hypogynous threads 5, capitate, 

 alternating with the stamens. Follicles slender. Climbing 

 shrubs, with opposite leaves ; branched, terminal panicles of 

 small, white, inodorous flowers. 



1 I. FRUTE'SCENS (R. Br. hort. kew. ed. 2. vol. 2. p. 69.) 

 stem twining ; leaves oblong-lanceolate, tapering to both ends, 

 glabrous ; peduncles axillary, very long, racemose ; pedicels 

 fascicled ; follicles variable. T? . ^. S. Native of Ceylon, Sirmore, 

 Silhet, Nipaul, and Kamaon. Apocynum frutescens, Lin. fl. 

 zeyl. 114. spec. p. 312. Pers. syn. exclusive of Quiribelia, 

 Lam. Lyama, Roxb. in asiat. res. 4. p. 261. Burm. fl. zeyl. 

 p. 23. t. 12. f. 1. Echites frutescens, Roxb. fl. ind. 2. p. 12. 

 Leaves variable in shape, deep green above and pale beneath. 

 Flowers small, purple. I. radicans, Wall. cat. hardly appears 

 to be distinct. The Quiribelia Zeylanica, Lam. et Poir. diet. 

 6. p. 42., considered by them as Linneus's Apocynum frutescens, 

 must, from the description, be widely different, and perhaps 

 does not belong to the same natural order. 



Shrubby Ichnocarpus. Fl. July, Aug. Clt. 1759. Sh. tw. 



2 I. FRA'GRANS (Wall. cat. no. 1676.) leaves oblong-lanceo- 

 late, or oblong, acuminated, tapering to both ends, glabrous ; 

 peduncles axillary, trichotomous, spreading ; segments of the 

 corolla long. T? . ^.8. Native of Nipaul. Flowers large. 

 Follicles long, slender, terete. 



fragrant Ichnocarpus. Shrub tw. 



3 I.? AFZE'LII (Rcem. et Schultes, syst. 4. p. 399.) stems 

 twining ; lower leaves oval, acute ; superior ones oblong or 

 lanceolate ; segments of corolla obtuse ; throat nearly naked. 



T; . ^. S. Native of Sierra Leone, and about the river Bascha, 

 and along the sea shore on the coast of Lower Guinea, in woods 

 and among bushes. Apocynum frutescens, Afz. rem. guin. 4. 

 p. 28. Shrub glabrous. Peduncles terminal, 2-flowered ; 

 Pedicels drooping. Corollas white, sweet-scented. Follicles 

 combined at the base. 



Afzelms's Ichnocarpus. SI rub tw. 



4 I. LOURE'IRII (Spreng. syst. 1. p. 635.) stem frutescent, 

 erectish ; leaves ovate-oblong ; peduncles lateral, usually 3- 



flowered. Pj . w . S. Native of Zanzebar. Apocynum Afri- 

 canum, Lour. coeh. 168. Branches scandent. Leaves small, 

 glabrous. Flowers pale. Corolla campanulate, reflexed. Hy- 

 pogynous scales subulate, alternating with 5 coloured glands. 

 Stigma acute, bifid. Follicles conical. 



Lourelro's Ichnocarpus. Shrub cl. 



Cult. See Echites, p. 76. for culture and propagation. 



VII. HOLARRHE'NA (oXoe, olos, entire, and appnf, arr/ien, 

 a male ; in reference to the entire anthers). R. Br. in wern. 

 soc. mem. 1. p. 62. Carissa, spec. Vahl. 



LIN. SYST. Pent&ndria, Monogynia. Calyx 5-parted ; seg- 

 ments subulate. Corolla salver-shaped, with equal-sided seg- 

 ments, and a scale-less throat and tube. Stamens inclosed, 

 inserted in the bottom of the tube ; anthers free from the stigma, 

 lanceolate, entire, bearing the pollen longitudinally. Ovaria 

 twin. Style very short ; Stigmn cylindrical. Hypogynous 

 scales wanting. Follicles slender. Erect glabrous shrubs. 

 Leaves membranous. Cymes terminal and lateral. 



1 H. MITIS (R. Br. 1. c.) leaves lanceolate, attenuated. ^ . S. 

 Native of the East Indies. Carissa mitis, Vahl, symb. 3. p. 

 44. t. 59. Leaves 2-3 inches long, shining, purplish beneath. 



Mild Holarrliena. Shrub. 



2 H. ? CODA'GA ; leaves ovate, acuminated, with oblique pa- 

 rallel nerves ; peduncles terminal ; segments of corolla oblong, 

 oblique. Jj. S. Native of Malabar. Codaga-Pala, Rheed. 

 mal. 1. p. 85. t. 47. Flowers white, sweet-scented. Follicles 

 a span long. 



Codaga Holarrhena. Shrub 5 to 6 feet. 



3 H. PUBE'SCENS (Wall. cat. no. 1673.) leaves ovate-oblong 

 or elliptic-oblong, short-acuminated, downy beneath and on the 

 upper surface while young, as well as the branches, peduncles, 

 and calyxes ; corymbs terminal. Jj . S. Native of Nipaul, 

 Kamaon, Martaban, and Tavoy. Echites pubescens, Hamilt. 

 mss. Hardly distinct from Echites an/idyscnterica, Roxb. ; 

 a native of Silhet and Nipaul, the H. antidysenterica, Wall. cat. 

 no. 1672. 



Downy Holarrhena. Shrub. 



Cult, For culture and propagation see Echites, p. 76. 



VIII. ISONE'MA (from roe, isos, equal, and yij/xa, nema, 

 a filament). R. Br. in wern. soc. mem. 1. p. 63. 



LIN. SYST. Penldndria, Monogynia. Corolla salver-shaped : 

 limb 5-parted ; throat and tube without scales. Stamens ex- 

 serted. Filaments inserted in the throat, simple at apex. 

 Anthers sagittate, cohering by their middle to the stigma. Ova- 

 ria twin. Style 1, filiform ; stigma thick, obtuse. Hypogynous 

 scales wanting. Follicles unknown. An erect hairy shrub, 

 with opposite leaves. Panicles terminal, brachiate ; flowers 

 corymbose. Segments of calyx furnished with a double scale 

 inside at base. Corolla half an inch long ; with a cylindrical 

 tube, which is bearded inside in the middle. 



1 I. SMEATHMA'NNI (Rcem. et Schultes, syst. 4. p. 401.) 

 Jj . S. Native of tropical Africa, on the west coast. 



Smeathtnann's Isonema. Shrub. 



Cult. For culture and propagation see Echites, p. 76. 



IX. VALLA'RIS (from vnllo, to inclose ; used for fences in 

 Java.) Burm. ind. p. 51. R. Br. in mem. wern. soc. 1. p. 63. 

 Blum, bijdr. p. 1042. Emericia, Rcem. et Schultes, syst. 4. 

 p. 401. Pegularia species, Lin. Peltanthera, Roth. 



LIN. SYST. Pentandria, Monogynia. Calyx 5-parted. Co- 

 rolla salver-shaped ; with a 5-cleft obtuse limb ; and a scaleless 

 throat and tube. Stamens exserted ; filaments inserted in the 

 throat, very short, furnished with a fleshy swelling outside at 

 the apex ; anthers sagittate, cohering by their middle to the 

 stigma. Ovarium 2-celled. Style filiform ; stigma ovate- 

 conical, furnished with a pearl-like gland on the back. Hypo- 



