371 



MELASTOMACEAE : TIBOTJCHXtfA. 



372 



interdum leviter cordatis, apice rotundatis rarius acutiusculis, 

 margine integerrimis, 5-nerviis nervis lateralibus basi leviter 

 confluentibus, supra brevissime subsparseque adpresso-strigosis, 

 subtus brevissime denseque pilosis et ad nervos breviuscule 

 adpresso-setulosis ; floribus ad apices ramorum terminalibus 

 axillaribusque, solitariis vel aggregatis paucis, breviter pedi- 

 cellatis, bibracteolatis ; bracteolis parvis, linearibus , apice 

 acutis, intus glabris, extus densiuscule breviterque setulosis; 

 calyce longiuscule subsparseque strigoso, tubo anguste cam- 

 panulato, teretiusculo, segmentis ovato-oblongis, apice obtusis, 

 margine late subpellucidis et brevissime ciliatis, tubum aequan- 

 tibus; petalis obovatis, inferne satis attenuatis, apice sub- 

 rotundatis, margine brevissime ciliatis; staminibus satis in- 

 aequalibus, filamentis glabris, connectivo eglanduloso, breviter 

 vel brevissime producto; stylo longiusculo, basi breviuscule 

 sparseque piloso caeteris glabro. 



Rami erecto-patuli, graciles, breviusculi, satis flexuosi, satis irregu- 

 lariter ramulosi, inferne saepins denudati, fuscescentes. Petiolcs crassius- 

 culus, satis compressus, supra leviter canaliculars, longiuscule denseque 

 setulosus, 1—2 mm. longus. Folia patula vel erecto-patula, internodiis 

 saepius suhduplo longiora, supra intense viridia, subtus plus minusve 

 ferruginea, 12 — 17 mm. longa et totidem vel fere totidem lata, superiora 

 satis minora; nervis crassiusculis, supra profunde impressis, subtus valde 

 prominentibus , mediano paulo crassiore, exterioribus caeteris satis graci- 

 lioribus et paulo brevioribus, nervulis transversalibus leviter prominentibus. 

 PlDICIlXl crassiusculi , rigidi, breviuscule denseque setulosi, */» — 1 cm. 

 longi. Bracteolae paulo concavae, satis caducae, rigidiusculae, uninerviae, 

 intus fuscae, extus cinereae, 3 — 4 mm. longae, 1 mm. latae. Calyx ci- 

 nereo-fuscus, tubo basi leviter attenuato, apice non vel vix constricto, 

 6 mm. longo, 4 — 5 mm. lato, segmentis erecto-patulis , leviter flexuosis, 

 demum deciduis, extus margine late fuscis glabrisque, 5 — 6 mm. longis, 

 2 mm. latis. Petala patula, purpurea, utrinque glabra, tenuiter pluri- 

 nervia, 2 cm. longa, 12 — 15 mm. lata. Staminvm filamenta filiformia, 

 atro-purpurea, subrecta, 7 — 8 vel 9 — 10 mm. longa; antherae purpura- 

 scentes, leviter arcuatae, apice longe attenuatae et satis pallidiores, 7 vel 

 8 — 9 mm. longae, 1 mm. crassae, loculis satis undulatis, connectivo infra 

 loculos 1 vel l 1 /* — 2 mm. long, producto, satis arcuato, basi satis dilatato 

 et profunde bilobato. Ova rum ovoidenm, superne densiuscule breviterque 

 setulosum; stylus subfilifonnis, atro-purpureus, leviter sigmoideo-flexuosus, 

 superne non incrassatus, 12 mm. longus. Capsula ovoidea, fusca, leviter 

 6-sulcata, usque ad medium 5-valvata, 7 mm. longa, 5 mm. crassa. Se- 

 mixa fulva, satis angulato-cocbleata, leviter compressa, apice oblique sub- 

 truncata, basi acutiuscula, sublaevia, 3 /* mm. longa, 7« mm. lata. 



Habitat in prov. Minas Geraes: Claussen n. 296 A, part, in herb. 

 Brtix.; in Serra da Piedade ubi frcquens : Warming in herb, propria. — 

 Floret Jannario. 



80. TIBOUCHINA CARDINALIS Cogn. fruticosa, 

 ramosissima ; ramis obscure tetragonis, longe denseque villosis 

 vel villoso-hirsutis, demum interdum glabratis et plus minusve 

 excoriatis; foliis subsessilibus sessilibusve, rigidis, suborbicu- 

 laribus, basi rotundatis vel leviter cordatis, apice rotundatis 

 rarius acutiusculis, margine integerrimis, 7 — 9-nerviis nervis 

 lateralibus usque ad basin liberis, supra densiuscule longeque 

 subadpresso- setulosis, subtus pilis elongatis sericeis subad- 

 pressis dense vestitis ; floribus majusculis, subsessilibus, ebrac- 

 teatis, ad apices ramorum congestis paucis ; calyce densiuscule 

 longeque setuloso- strigoso, tubo campanulato, teretiusculo, 

 segmentis oblongo-lanceolatis, apice acutis, margine late sub- 

 pellucidis et breviuscule ciliatis, tubum aequantibus; petalis 

 obovatis, basi paulo attenuatis, apice rotundatis, margine 

 brevissime ciliatis; staminibus paulo inaequalibus, filamentis 



longiuscule sparseque glanduloso-pilosis, connectivo eglandu- 

 loso, breviter vel brevissime producto ; stylo elongato, inferne 

 breviter sparseque piloso, superne glabro. 



Bhexia cardinalis Bonpl.f Rhex. 96. tab. 37. 



Melastoma cardinalis Spreng. Syst. Veget. II. 298. 



Chaetogastra cardinalis DC! Prodr. III. 134; Cham, 

 in Linnaea IX. 452. 



Lasiandra cardinalis Naud.! in Ann. Sc. not. ser. 3. 

 XIII. 132 et Melast. 111. 



Pleroma cardinale Triana! Melast. 44. 



Caulis erectus, satis robustus, leviter flexuosus, teretiusculus, plus 

 minusve excoriatus, irregulariter ramosissimus nonnihil arboriformis, fu- 

 scescens, 1—2 m. altus; rami robustiusculi, breviusculi, erecto-patuli, ir- 

 regulariter ramulosi, cinnamomei. Folia erecto-patula interdum patula 

 vel plus minusve reflexa, internodiis saepius paulo longiora, supra intense 

 viridia et nitidula, subtus cinerea vel ferruginea, l x /a — 2 cm. longa lataque 

 vel interdum paulo latiora, superiora satis minora; nervis crassis, supra 

 profunde impressis, subtus satis prominentibus, mediano paulo crassiore. 

 Calyx cinereo-fuscus, tubo basi subrotundato, apice non constricto, 7 ad 

 8 mm. longo, 6 mm. lato, segmentis patulis, leviter flexuosis, demum de- 

 ciduis, margine late submembranaceis fuscis glabrisque, 6 — 8 mm. longis, 

 3 mm. latis. Petala patula, roseo-purpurea vel violacea, utrinque glabra, 

 tenuiter multinervia, 2— 27a cm. longa, 14—16 mm. lata. Staminum fila- 

 menta filiformia, purpurascentia, subrecta, 9 vel 10 — 12 mm. longa; an- 

 therae dilute violaceae, leviter arcuatae, superne longe attenuatae et paulo 

 pallidiores, 8 — 9 mm. longae, 3 A mm. crassae, loculis satis undulatis, con- 

 nectivo infra loculos 1 vel 2 mm. long, producto, subrecto, basi satis in- 

 crassato et obscure bilobato. Ovarium ovoideum, apice brevissime dense- 

 que setulosum; stylus subfiliformis, purpureus, subrectus, apice vix in- 

 crassatus, 2 cm. longus. Capsula subglobosa, fusca, leviter 5-sulcata, fere 

 usque ad basin 5-valvata, 5 — 6 mm. crassa. Semixa pallide fusca, leviter 

 cochleata, satis compressa, apice subrotundata, basi acutiuscula, minutis- 

 sime creberrimeque tuberculata, 2 / 3 Tarn, longa, vix V* mm. lata. 



Habitat in prov. Minas Geraes: Langsdorff n. 2105, Claussen 

 n. 22, 103, 142, 298 A, Gardner n. 4610, Weddell, Dupre, Ackermann 

 n. 169; ad Caxoeira do Campo: Claussen n. 297 A; in humidis ad Serra 

 da Lapa: Riedel n. 1076; in campis siccis lapidosis prope Caete: Lund, 

 Hiedel n. 2705; in montibus ad Ouro Preto: Bunbury n. 31; prope 

 Grdo-Para: Bonpland ; in Brasilia loco hand indicato: Sello n. 1133.— 

 Floret Novembri — Decembri. 



Sect. IV. Lepidotae. 



Frutices ramosi, lepidoto-scabri. Flores 5-meri, congesti 

 vel fasciculati, fasciculis bracteolis brevibus liberis cinctis. 

 Calycis lobi persistentes. Stamina glabra; antherae apice 

 longe attenuato-subulatae. — Species 81—82. 



81. TIBOTJCHINA LEPIDOTA Baill. fruticosa; ra- 

 mis obtuse tetragonis, junioribus breviuscule adpresseque le- 

 pidoto-scabris, vetustioribus saepe excoriatis et tunc glabratis; 

 foliis breviuscule petiolatis, rigidis, ovato-oblongis vel oblongo- 

 lanceolatis, basi subrotundatis vel leviter attenuatis, apice 

 acutis et saepius breviter acuminatis interdum obtusiusculis, 

 margine integerrimis, 5-nerviis nervis lateralibus basi non 

 vel vix confluentibus, supra brevissime sparseque lepidoto- 

 strigosis interdum sublaevibus, subtus brevissime et densius- 

 cule lepidoto-scabris ; floribus ad apices ramulorum in glome- 

 rulos paucifloros congestis involucratis ; bracteis parvis, ovatis 

 vel ovato-oblongis, apice acutiusculis, intus glabris, extus plus 

 minusve lepidotis; calyce adpresse denseque lepidoto, tubo 



