125 



MELASTOMACEAE : TEEMBLEYA. 



126 



latusque, brevissime pubescenti-pulvernlentus, 1 — 3 mm. longus; folia pa- 

 tula, internodiis 2 — 4-plo longiora, apice rotundata, basi in petiolum lon- 

 giuscule attenuata, marginibus saepe ad nervum medium usque reflexa, 

 supra atro-viridia, subtus flavo-cinerea, 1 — 2 cm. longa, 3 — 8 mm. lata, 

 nervo medio crasso, subtus valde prominente. Calyx atro-fuscus, glaber- 

 rimus, glutinosus, tubo inferne longe attenuate, apice interdum leviter 

 constricto, tenuiter 5-costato, 4 — 5 mm. longo, IV2 — 2 mm. lato, dentibus 

 erectis, 5 — 6 mm. longis, vix l /i mm. latis. Petala rubra, glaberrima, 

 tenuiter 5 — 7-nervia, apice leviter undulata, 10 — 12 mm. longa, 4 — 6 mm. 

 lata. Staminum filamenta capillaria, leviter flexuosa, glaberrima, 4 — 5 mm. 

 longa; antherae purpureae, ovoideo-oblongae, apice longiuscule flavo-appen- 

 diculatae, 2 mm. longae, 3 /* mm. crassae; staminum minorum connectivo 

 infra loculos vix 1 mm. long, producto, capillari, leviter arcuato, ultra 

 insertionem filamenti non porrecto; majorum connectivo infra loculos 6 mm. 

 long, producto, filiformi, arcuato, ultra insertionem filamenti longe pro- 

 ducto, apice dilatato flavo bidentato. Ovarium ovoideum, glabrum, fuscum, 

 apice leviter 5-sulcatum, 2 — 2V2 mm. longum, l 1 /* mm. crassum; stylus 

 filiformis, rectus, glaber, 6 — 7 mm. longus. Capsula calyce persistente 

 vestita, subglobosa, glabra, longitudinaliter 5-sulcata, 3 — 4 mm. crassa. 

 Semina fulva vel fusca, ovoideo-oblonga, apice leviter et oblique dilatata, 

 vix arcuata, */> rum. longa, l /a mm. crassa, testa regulariter foveolata. 



Habitat in prov. Minas Geraes monte Itacolumi altit. 1900 m. : 

 Sello n. 1076, Biedel n. 449 ; ad Capanema : Claussen sine numero ; ad 

 Serra de Ouro Preto : Claussen n. 43; in eadem prov. loco haud in- 

 dicate: Claussen n. 37, 334 A, 335 A. — Floret Augusto. 



5. TREMBLEYA PENTAGONA Naud. fruticosa di- 

 vel trichotome ramosa, parvifolia, glabra, viscidula; ramis 

 tetragonis, rugosis, inferne plus minusve denudatis, superne 

 dense foliosis ; foliis breviter petiolatis, subcoriaceis rigidisque, 

 obovato-oblongis , margine remote denticulatis et leviter revo- 

 lutis, apice obtusis vel subacutis, supra viscosis, utrinque 

 glaberrimis , trinerviis, nervis subtus carinato-prominentibus ; 

 floribus ad apices ramulorum axillarium terminalibus , brevis- 

 sime pedicellatis; calyce glabro, viscosissimo , tubo late cam- 

 panulas, pentagono, 10-costato, dentibus triangulari-subulatis, 

 acutissimis, dorso carinatis, tubum aequantibus; petalis ob- 

 ovatis, apiculatis. 



Trembleya pentagona Naud. in Ann. sc. nat. ser. 3. II. 

 154, XII. 267 et Melast. 72; Walp. Bepert. V. 699; Triana 

 Melast. 29. 



Caulis erectus, robustus, obscure tetragonus, rugosissimus, 1 — 2 m. 

 altus; rami erecto-patuli , crassi, breviusculi, articulati, cinerei. Petiolus 

 crassus, compressus, supra leviter canaliculars, 2 — 3 mm. longus; folia 

 erecto-patula, internodiis 2 — 4-plo longiora, inferne in petiolum longiuscule 

 attenuata, supra atro-viridia et nitida, subtus cinerea vel flavo-cinerea, 

 l 1 /* — 2 cm. longa, 8 — 13 mm. lata, nervo medio valde robusto, subtus 

 valde prominente, lateralibus vix gracilioribus. Calyx glaberrimus, tubo 

 inferne leviter attenuato, flavo-viridi, costis atro-viridibus, 4 — 5 mm. longo 

 et fere totidem lato, dentibus erectis, 5 — 7 mm. longis. Petala purpurea, 

 5 — 7-nervia, utrinque glabra, margine integerrima, 10 — 12 mm. longa. 

 Staminum filamenta capillaria, recta, glabra, 3 vel 5 mm. longa; antherae 

 purpureae, oblongo-cylindricae, apice brevissime flavo-appendiculatae, 2 mm. 

 longae, 2 /3 mm. crassae; minorum connectivo infra loculos brevissime pro- 

 ducto; majorum connectivo infra loculos 4 — 5 mm. long, producto, filiformi, 

 arcuato, ultra insertionem filamenti longiuscule porrecto et leviter flavo- 

 dilatato, apice bidentato. Ovarium subglobosum , glabrum, purpurascens, 

 leviter 5-sulcum, lVa mm. crassum; stylus filiformis, glaber, flexuosus, 

 apice vix incrassatus, 5 mm. longus. Capsula globosa, calyce persistente 

 vestita, atro-fusca, glaberrima, laevis, longitudinaliter 5-sulca, 4 mm. crassa. 

 Semina fulva, ovoideo-oblonga, vix curva, basi leviter dilatata, V2 mm, 

 longa, */« mm. crassa, testa regulariter late foveolata. 



Habitat in montibus Serra d'Ouro Branco provinciae Minas Geraes: 

 St-HHaire; ad Serra da Carassa : Claussen n. 22, 194, 350; ad Capa- 

 nema : Claussen n. 296 ; in prov. Ceara loco haud indicato : Gardner 

 n. 134; in Brasilia loco haud indicato: Schiich n. 203. - Floret Maio. 

 Melastom. 



0. TREMBLEYA CHAMISSOANA Naud. fruticosa 

 di— trichotome fastigiatim ramosa, parvifolia, viscosa; ramis 

 obscure tetragonis, inferne interdum denudatis glabrisque, su- 

 perne densiuscule foliosis et dense tomentosis; foliis breviter 

 petiolatis, membranaceis rigidisque, obovato-ellipticis , apice 

 rotundatis, margine planis, inferne integerrimis , superne re- 

 mote denticulatis, supra viscosis, primum pubescentibus , de- 

 mum glabris, subtus junioribus breviter denseque tomentosis, 

 demum glabris et regulariter punctato-reticulatis, 5-nerviis, 

 nervis subtus leviter prominentibus ; floribus ad apices ramu- 

 lorum axillarium terminalibus axillaribusque solitariis vel ra- 

 rius subfasciculatis , brevissime pedicellatis; catyce viscoso, 

 breviter tomentoso, tubo anguste campanulato, segmentis lan- 

 ceolato-linearibus, acuminatis, tubo duplo longioribus. 



Tabula nostra XXVIII. Fig. II (habitus cum analyst). 



Trembleya Chamissoana Naud.! in Ann. sc. nat. ser. 3. 

 XII. 270 et Melast. 75 (nomen tanium); Triana Ilelast. 29 

 (nomen). 



Microliciae sp. Cham.! in Linnaea IX. 396. 



Caulis erectus, robustiusculus, teres, leviter rugosus, glaber; rami 

 erecti, graciles, longiusculi, obscure articulati, cinerei. Petiolus crassius- 

 culus, compressus, snpra non canalicnlatns, 2 — 3 mm. longus; folia erecto- 

 patula, internodiis duplo longiora, inferne in petiolum breviter vel longius- 

 cule attenuata, apice mutica vel saepius mucronulata, supra atro-viridia 

 et longitudinaliter 5-sulca, subtus fulvo-cinerea , 12 — 20 mm. longa, 8 ad 

 10 mm. lata, nervo medio robustiusculo, subtus satis prominente, laterali- 

 bus vix gracilioribus. Calycis tubus fuscus, inferne subrotundatus, apice 

 snbconstrictus, teres, 3 mm. longus, 2 mm. latus; segmenta patula, cinereo- 

 viridia, 1-nervia, 6 — 7 mm. longa, IV2 mm. lata. Petala et stamina iguota. 

 Ovarium ovoideum, fuscum, glabrum; stylus filiformis, leviter arcuatus. 

 Capsula globosa, fusca, longitudinaliter levissime 5-sulca, 3 — 4 mm. crassa. 

 Semina fulva, ovoidea, vix curva, vix V2 mm. longa, 1 /s mm. crassa, testa 

 regulariter leviterque foveolata. 



Habitat in monte Itambe prov. Minas Geraes: Sello n. 1171 et 

 1756 in herb. Berol. 



B. Flores cymosi corymbosi vel paniculati. — Spec. 7 — 8. 



7. TREMBLEYA TRIDENTATA Naud. fruticosa di- 

 vel trichotome ramosa, glaberrima, viscosa, parvifolia; ramis 

 obscure tetragonis, inferne interdum denudatis, superne folio- 

 sis ; foliis breviter petiolatis, membranaceis rigidisque, obovatis 

 vel obovato-oblongis, apice obtusis, margine integerrimis vel 

 tenuiter remoteque serratis, trinerviis, utrinque glaberrimis, 

 supra nitidis et vernicosis, subtus tenuissime punctulatis et 

 transverse nervulosis ; floribus ad apices ramulorum axillarium 

 in cymas plerumque trifloras dispositis ; calyce glabro, viscoso, 

 tubo campanulato, 5-nervoso, dentibus triangulari subulatis, 

 acutissimis, tubo longioribus; petalis obovato-cuneatis, acutis 

 et breviter apiculatis; staminum majorum connectivo apice 

 tridenticulato. 



Tabula nostra XXIX (liabitus cum analysi). 



Trembleya tridentata Naud. in Ann. sc. nat. ser. 3. II. 

 154, XII. 267 et Melast. 72; Walp. Repert. V. 699; Triana 

 Melast. 29. 



Caulis erectus, robustiusculus, teretiusculus , sublaevis, cinereus, 

 6 — 12 dm. altus; rami erecti vel erecto-patuli, crassiusculi, elongati, glabri 



17 



