163 



MELASTOMACEAE : LAYOISIEEA. 



164 



153, III. t. 7. f. 14, XII. 222 et Melast. 27; Walp. Repert. 

 V. 680; Triana Melast. 30. 



Suffruticulus decunibens, simplex vel paulo ramosus, 1 — 2 dm. 

 altos. Rami erecti, gracillimi, glaberrimi, purpiirascentes vel cinerei. Folia 

 internodiis 3 — 5-plo longiora, rigidiuscula, utrinqae flavo-viridia, margine 

 plana, 5 — 7 mm. longa, 2 — 5 mm. lata, saprema caeteris majora latins 

 ovata et suhobtusa , nervo medio crassinsculo subtus satis prominente. 

 Calycis tubus flavo-viridis, laevis, tenuiter striatals, basi leviter attenuatus, 

 3 — 4 mm. longus, apice 3 mm. latus; dentes erecti, flavo-virides vel apice 

 purpiirascentes, 2 — 2V» mm. longi, 1V« mm. lati. Petala patula, tenuiter 

 7 — 9-nervia, glaberrima, margine integerrima, 12 — 14 mm. longa, 6 — 8 mm. 

 lata. Staminum filamenta capillaria, glabra, recta, 4 vel 5 — 6 mm. longa; 

 antberae purpureae, oblongae, 2 x /-2 — 3 mm. longae, 1 mm. crassae, apice 

 brevissime flavo-appendicnlatae, connectivo infra loculos 1 vel 4 mm. long, 

 producto, filiformi, arcuato, ad insertionem filamenti leviter incrassato. 

 Ovarium ovoideum, ad medium usque liberum, 4-loculare; stylus snbfili- 

 formis, glaberrimus, rectus, 7 mm. longus. Capsula atro-fusca, glabra, 

 laevis, 3 — 4 mm. crassa, a basi ad apicem dehiscens. Semina ignota. 



Habitat in campis arenosis editisque montium Serro Frio prov. 

 Minas Geraes: St-Hilaire in herb. Mus. Par.; in humidis graminosis 

 prdpe Diamantina- Riedel n. 1896 in herb. hort. Petrop. et Berol.; in 

 eadem prov. loco Juxud indicato: Gardner n. 4580. — Floret Decembri. 



40. LAVOISIERA CHAMAEPITYS Naud. ramis te- 

 retibus, inferne longe denudatis cicatrisatis articulatisque, 

 superne dense foliosis; foliis suberectis aut saepius patentim 

 quadrifariam imbricato-pectinatis, rigidis, sessilibus, subulato- 

 acerosis acutissimis subpungeutibus , margine integerrimis, 

 supra canaliculatis , subtus 1-nerviis, utrinque glaberrimis; 

 floribus mediocribus , solitariis, terminalibus , 6-meris; calyce 

 glaberrimo, tubo campanulato , segmentis oblongo-lanceolatis, 

 acuminatis, rigidis, tubo longioribus ; petalis purpureis, obovato- 

 cuneatis, apiculatis; fructu subgloboso. 



Tabula nostra XXX VII. Fig. II (habitus cum analyst). 



Lavoisiera Chamaepitys Naud. in Ann. sc. not. ser. 3. 

 II. 153, III. t, 7. f. 15, XII 225 et Melast. 30; Walp. 

 Repert. V. 680; Triana Melast. 30. 



Fruticulus erectus, multicaulis, regulariter dicbotome ramosus, 2 ad 

 4 dm. altus. Kami erecto-patuli, snbfastigiati, graciles, glaberrimi, cinerei. 

 Folia internodiis fere decuplo longiora, ad basin lata, utrinque pallide 

 viridia vel internum leviter purpurascentia, margine involuta, 7 — 9 mm. 

 longa, ad basin 1 — l 1 /* mm. lata, snprema seu fiores fulcrantia caeteris 

 latiora et subovato-acuminata, nervo medio gracillimo, snbtus leviter pro- 

 minente. Calycis tubus atro-fuscus, laevis, teres, basi rotnndatus, 3 ram. 

 longus, apice 4 mm. latus; dentes erecto-patuli, purpiirascentes, 1-nerves, 

 4—5 mm. longi, l 1 /*— 2 mm. lati. Petai.a patula, leviter asymmetrica, 

 tenuiter 5 — 7-nervia, glaberrima, margine integerrima, 12 — 15 mm. longa, 

 7—9 mm. lata. Staminum filamenta filiformia, glabra, recta, 5 vel 6 mm. 

 longa; antherae purpureae, oblongo-cylindricae , apice longinscnle flavo- 

 appendicnlatae, 3— 3 'A mm. longae, 3 A mm. crassae, connectivo infra 

 loculos I 1 /* vel 6—6 mm. long, producto, subfiliformi, arcuato, ultra in- 

 sertionem filamenti longinscule porrecto et incrassato. Ovarium globosum, 

 basi solnmmodo adhaerens, abortu saepius 2-loculare; stylus filiformis, 

 glaberrimus, arcuatus, apice attenuatus, 7—8 mm. longus. Capsulae alares 

 et axillares, atro-fuscae, vertice leviter 4— 6-lobae, 3—4 mm. crassae. Se- 

 mika atro-fusca, ovoideo-oblonga vel angulato-subcuneata, 3 A— 1 mm. longa, 

 7« mm. crassa, testa tennissime foveolata. 



Habitat in pascuis arenosis prope fodinas adamantium vulgo Ser- 

 vico do Bio Pardo, in tractu dicto Districto dos Diamantes et prope Cor- 

 rego Novo in montibus Serra de Curmatahy prov. Minas Geraes : St-Hi- 

 laire; in eadem prov. loco haud indicato : Gardner n. 4586 in herb. Fran- 

 cav., Vindob. et Deless. 



41. LAVOISIERA SUBULATA Triana: ramis tere- 

 tibus, inferne denudatis articulatisque, superne densiuscule 

 foliosis, foliis erectis, non imbricatis, mollibus, semiamplexi- 

 caulibus, subulatis, apice longe setaceo-acuminatis, margine 

 integerrimis, supra canaliculatis subconduplicatis, subtus uni- 

 nerviis, utrinque glaberrimis; floribus majusculis, solitariis, 

 terminalibus, 6-meris; calyce glaberrimo, tubo anguste cam- 

 panulato, segmentis lineari-subulatis, longissime setaceo-acumi- 

 natis, tubo multo longioribus, petalis luteis, cuneato-oblongis, 

 apice subtruncatis et longe subulato-mucronatis ; fructu ob- 

 longo-cylindrico. 



Tabida nostra XXXVIII (habitus cum analysi). 

 Lavoisier a subulata Triana! Melast. 30. 



Fruticulus erectus, ramosissimus. Caui.is crassiusculus , laevis, 

 cinereo-fnscus; raniuli erecti, dense fastigiati, subfiliformes, glaberrimi, 

 pallide cinerei. Folia internodiis 4 — 5-plo longiora, basi non vel vix di- 

 latata, utrinque flavo-viridia vel superiora purpurascentia, margine involuta, 

 12 — 20 mm. longa, x /3 — 1 h mm. lata, suprema seu flores fulcrantia caeteris 

 longiora et paulo latiora, nervo medio gracillimo subtus leviter prominente. 

 Calycis tubus tenuiter granulosus, basi leviter attenuatus, 5 mm. longus, 

 apice 3 mm. latus, pallide flavus; segmenta erecta, flavo-viridia vel inter- 

 dum purpureo-fusca, obscure 1-nervia, 10 — 13 mm. longa, IV2 mm. lata. 

 Petala erecta, tenuiter 7-nervia, glaberrima, ab apice ad basin leviter at- 

 tenuata, margine integerrima, 12 — 14 mm, longa, 4 — 6 mm. lata. Stami- 

 num filamenta capillaria, glabra, flexuosa, 4 vel 6 mm. longa; antherae 

 oblongo - cylindrical , purpureae , apice brevissime flavo - appendiculatae, 

 2V2 mm. longae, l /t mm. crassae, connectivo infra loculos l x /2 vel 4 ad 

 5 mm. long, producto, capillari, arcuato, ad insertionem filamenti leviter 

 dilatato. Ovarium ovoideo-oblongum, apice solummodo liberum, 6-loculare; 

 stylus filiformis, glaber, leviter arcuatus, apice leviter incrassatus, 5 mm. 

 longus. Capsula calyce persistente vestita, flavo-cinerea, vertice atro-fusca, 

 obscure 6-gona, 8 — 9 mm. longa, 4 mm. crassa. Semina fusca, ovoideo- 

 oblonga, leviter arcuata, apice rotundata, basi leviter attenuata, 3 A nun. 

 longa, l [i mm. crassa, testa tenuissime foveolata. 



Habitat in prov. Minas Geraes ad Serra do Cipo: Lund n. 413 

 in herb. Warming. — Floret Octobri. 



X. RHYNCHANTHEBA DC. 



Rhynciiantiiera DC. Prodr. III. 106, Mem. Melast. 21; 

 Mart. Nov. Gen. et Sp. III. 120; Spreng. Gen. Plant I. 342; 

 G. Don Gen. si/st. II. 736; Cham, in Llnnaea IX. 377; Spach 

 Veg. phan. IV. 214; Meissn. Gen. 114 (82); Endl. Gen. 1208; 

 Walp. Repert. II. 120, V. 682; Naud. in Ann. sc. not. ser. 3. 

 XII. 206 et Melast. 11; Benth. et Hook. Gen. Plant. I. 738; 

 Triana Melast. 31. — Proboscidia Rich. herb, ex DC. Prodr. 

 III. 106; Pfeiff. Nomencl. II. 840. — Thenardia Mog. et 

 Sesse Ic. Fl. Mexic. ined. ex DC. 1. c. 108, Mem. Melast. 21 

 (non H.B.K.). — Rhexiae spec. Auctor. — Microliciae spec. 

 Baill. Hist, des pi. VII. 9. 42. 



Flos 5-merus. Calycis setosi hispidi vel glandu- 

 losi tubus ovoideus oblongus vel campamilatus ; lobi 

 subulati lanccolati vel setacei, tubo saepius aequilongi, 

 persistentes. Petala obovata. Stamina 10, valde in- 

 acqualia, 5 majores fertilia cum petalis alternantia, 

 5 minores abortiva petalis opposita; antberae majores 

 subaequales vel una ceteris multo major, rostro graciii 



