172 



B O T A N Y. 



Class V. XXI. WRIGHTIA*. Contorta. FoUicitli 2, erecti. 

 Pentan'dria. ' S elH . extremitate inferior! comosa. Cor. hypocrate- 

 rif. faux coronata squamis 10, divisis. ( R. Brown. ) 



1. Anlidyscnierica. E. Indies. Sltritl). This is 

 the Nerium Antidysentericvm of Willdenow, 



2. Zct/lanica. Ceylon. S/irttb. This is the Ne- 

 rium Ze.ylanicum of Willdenow. 



3. T/iictoria. East Indies. 



4. Pubescens. New Holl. and the Island Timor. 

 See Brown, Wvrn. Trans, vol. i. p. 63, and Pro- 



dromus, p. 467. 



XXII. ICHKOCARPUS. Contorta. Follicttli 2, di- 

 varicati. Sem. extremitate superior! comosa. Cor. 

 hypocraterif. faux nuda. Anth. a stigmate libers. 

 (R. Brown.) 



1. Frutescens. Ceylon and East Indies. Shrub. 

 This Sp. is the Apocynum frutescens of Will- 

 denow. See Brown, Wern. Trans, i. p. 50. 



XXIII. AMSONIA, or AMZONIA. (Persoon.) Con- 

 torta. Folliculi 2, erecti. Sem. nuda. Cor. infun- 

 dibulif. ( Micfiaux. ) 



1. Lutijolia. 2. Angusltfolia. 



These two Sp. are given with the same specific 

 names by Willdenow in his genus Taberncemon- 

 tana. See Michaux, Flor. Amer. i. p. 121, and 

 Persoon's Synopsis, i. p. 269. 



XXIV. LEPTOMERIA. Perianth, rotatum, 4-5 part, 

 persistens, nudiusculum. Discus epigynus 4-5-lo- 

 bus. Stig. divisum. Drupa coronata (ssepe bac- 

 cata.) ( R. Brown, Prodr. p. 353. ) 



1. Adda. S. Scrobiculata. 



2. BiUardieri. 6. Paucijiora. 



3. Aphylla. 7. Squarrulosa. 



4. Accrba. 8. Axillaris. 

 All shrubby, and from New Holland. 



XXV. CIIORETRUM. Perianth. 5-part. coloratum, 

 foliolis fornicatis, carina interior! descendenti, per- 

 sistens : cnlyculo minutissimo 5-dentato munitum ! 

 Stam. cavitate laciniarum inclusa. Anth. 4-locul. 

 4-valv! Stigm. stellatum. Drupa? (R. Brown, 

 Prodromus, p. 354.) 



1. Lateriflorum. . 2. Glomeralum. 

 Both shrubby, and from New Holland. 



XXVI. EXOCAHPOS. Perianth. 5-part. raro 4-part. 

 rotatum. Stam. 5, basi laciniarum inscrta. Stylus 

 brevissimus. Stig. obtusum. Nux supcra, corti- 

 cata, 1-sperma, pedunculo ampliato, baccato im- 

 posita. Embryo inversus, teres ; in 3x1 Albiiminis 

 carnosi. Masculi et Feminei Flores, hermaphrodi- 

 tis ssepius misti. ( Labill.and R. Brown, Prodi: 356. ) 



1. Laiifolia. 4. Humifusa. 



%. Cuprcssiformis. 5. Stricta. 



3. Spartea. 6. Aphulla. 



All shrubby, and from N.Holl. and Van Diem. Isl. 



XXVII. HEMICHROA. Perianth. 5-part. intus colo- 

 ratum ; fructiferum non mutatum. Stain. 5, v. 

 pauciora, basi connata, hypogyna ? Stylus 2-part. 

 Utricidus ovalis. Sem. verticaliter compressum, in- 

 tegumento duplici, albuminosum : Embryone he- 

 micyclico, Radicula infera, adsceudenti. (R. 

 Brown, Prodromus, p. 409.) 



1. Pentandra. 2. Diandra. 



Both shrubby, and from New Holland and Van 

 Diemen's Island. 



XXVIII. SCLEROL.TNA. Perianth. 1-phyll. ore 5- Class 

 fiduni. Slam. 5, imo perianthio inscrta. Stylus 2- Pentan 

 part. Utriculus inclusus perianthio nucamentaceo ^ """ 

 exsucco, laciniis muticis vel spinosis. Sem. verti- 

 culiter compressum, albuminosum, integumento 

 simplici ; Enihryone cyclico, Radicula supera. (R. 

 Brown's Prodromus, p. 410.) 



1. Paradoxa. C L Bi/toni. 3. Uniflorct. 

 All shrubby, and horn New Holland. 



XXIX. DEERINGIA. Perianth. 5-part. Slam, ti, 

 basi in cyathulam edentulam connata. Aitt/i. 2-lo- 

 cul. Stylus 3-part. Bacca polyspcrma. (R. Brown, 

 Prodromus, p. 413.) 



1. Cdosioides, the Celosia baccata of Willdenow. 

 New Holland. 



XXX. LESTIBUDESIA. Perianth. 5-part. Stam. 5, 

 basi in cyathulam edentulam connata. Anth. '2- 

 locul. Ovar. polyspermum. Stylus brevis, v. nul- 

 lus. Stig. 3-4, filiformia, recurva. Caps, po- 

 lysperma, transversim dehiscens. (Thouars. and 

 R. Brown, Prodr. p. 412.) 



1. Arborescens. New Holland. ^2. Spicala. 

 The other species of this genus are Sp. 6, 13, i4, 

 of Celosia, and other unpublished species. 



XXXI. TRICHIXIU.M. Perianth. 5-part. laciniis li- 

 nearibus. Stam. 5, basibus connatis, edentulis. 

 Anth. 2-locul. Stylus indivisus. Stig. capitatum. 

 Utriculus evalvis, 1-spermus, inclusus basi conni- 

 venti perianthii, laciniis patulis plumosis. (R. 

 Brown, Prodr. p. 414.) 



1. Fnsiforme. 4. Spathulatum. 



2. Gracile. 5. Macrocephalum. 



3. Distans. Q. Incanum. 



In general perennial, and all from New Holland 

 and Van Diemen's Island. 



XXXII. PTILOTUS. Perianth. 5-part. foliolis lanceo- 

 latis. Stam. 5, ipsa basi connata, edentula. Anth. 

 2-locul. Stylus indivisus. Stig. capitatum. Utri. 

 culus evalvis, l-spermus, inclusus perianthii foliolis 

 3 interioribus, medio lana cohserentibus, supra pa- 

 tentibus nudis. (R. Brown, Prodr. p. 415.) 



1. Conicus. 2. Corymbosvs. 



Both annual, and from New Holland. 



XXXIII. GOMPHRJENA. (Seep. 161.) Perianth. 

 5-pai t. Stam. 5, connata in tubulum subcylindra- 

 ceum, ovario longiorem, apicibus distinctis, cum 

 vel absque dentibus interjectis. Anth. 1-locul. 

 Stylus I. Stig. 2. Utriculus 1-spermus, evalvis, 

 (R. Brown, Prodr. p. 415.) 



1. Lanata. 3. Flaccida. 



2. Humilis. 4. Canesccns. 



All from New Holland. This genus contains also 

 Sp. 1, 2, 7, and 10, of the genus GOMPHR.SNA, 

 in p. 161. 



XXXIV. PHILOXERUS. Perianth. 5-part. Stam. 5, 

 basi connata in cyathulam cdentulam, ovario bre- 

 viorem. Anth. 1-locul. Stylus 1. Stig. 2. Utri- 

 culus 1-spermus, evalvis. ( R. Brown, Prodr. 416.) 



1. Conicus. 2. Diffusus. Both from N. Holl. 

 This genus contains also Sp. 5, and 6 of GOM- 

 PHRA;NA, p. 161. 



XXXV. ALTEKNANTHEHA. Perianth.5 part. Stam. 

 5, basi connata in cyathulam ovario breviorem, 

 cum vel absque dentibus brevioribus ; filamentis 2 



* This new genus is named by Mr Brown in honour of our countryman, William Wright, M. D. F.U.S. to whom the 

 flora of Jamaica has been under great obligations, and to whose kindness w bare been indebted for much important ;i.-i-"- 

 ance and advice in the composition of the present article. 



