MELASTOMACEAE : ERIOCNEMA— CAMBESSEDESIA. 



10 



Tabula nostra I. (habitus cum analyst). 



Eriocnema fulva Naud. in Ann, Sc. nat. ser. 3. II 144, 

 III. tab. 7. fig. 20 et XV 330; Walp. Bepert. V 683; Triana 

 Melast, 23. 



Caulis nodosus, paulo ramosus, plus mimisve repens, longissinie 

 denseque sericeo-villosus, 4 — 12 cm. longus, V> — 2 cm. crassus. Pktiolus 

 robustus, rectus vel leviter flexuosus, supra leviter caualiculatus, pilis 

 sericeis, patulis, rufis, 4 — 6 mm. longis dense vestitns, 1 — 2 dm. longus. 

 Folia mem branacea , supra intense viridia, subtus fulva et tenuissime 

 reticulato-nervulosa , 10 — 15 cm. longa, 6 — 10 cm. lata, nervis gracilibus, 

 subtus leviter prominentibus , mediano paulo crassiore. Peduxcuh's com- 

 munis gracilis, flexuosus, longe villoso-lanatus, 5 — 12 cm. longus, apice 

 verticillato-braeteolatus; bracteolae lanceolato-lineares, longe acuminatae, 

 longissime villosae , 3 — 4 mm. longae. Peoicelli subfiliformes , leviter 

 tlexuosi, sparse longeque villosi, 1 — 2Va cm. longi. Calyx fulvus, tubo 

 basi acuto, 272 — 3 mm. longo et lato, dentibus erecto-patulis , leviter 

 flexuosis, 4 mm. longis. Petala patula, alba?, tenuiter 7 — 9-nervia, apice 

 rotundata, 10 — 12 mm. longa, 6 — 7 mm. lata. Stamincm lilamenta fili- 

 formia, flexuosa, 4 mm. longa; antherae flavae, basi obtusae, apice acutae, 

 3 mm. longae, 1 /s mm. crassae, connectivo fusco. Ovarium lulvum, ovo- 

 ideum, superne longissime denseque villoso-setosum ; stylus filiformis, apice 

 incnrvatus, 7 mm. longus. Capsula fulva, leviter trisulca, basi brcvitcr 

 apice longe villosa, 3 — 4 mm. crassa. Semina fusca, ovoideo-oblonga, recta, 

 V* mm. longa, 7? — Va mm. crassa. 



Habitat in prov. Minus Geraes ad Sabara: Claussm n. 107; prope 

 Ribeiro Manco: Claussen n. 276; in eadem pror. loco hiud indicato: 

 Ackermann, Claussen n. 270. 



2. ERIOCNEMA ACAULIS Triana : parvifolia, hirsu- 

 tissima, subacaulis; foliis longiuscule petiolatis, late cordi- 

 formi-ovatis , apice subacutis, margine dentato-crenulatis , 7- 

 ad 9-nerviis, utrinque densiuscule breviterque hirto-puberulis, 

 subtus coelato-reticulatis; petiolo dense longeque hirsuto; sea- 

 pis axillaribus, 4 — 9-floris; floribus longiuscule pedicellatis ; 

 calyce subsparse longeque villoso-hirsuto, tubo latiuscule cam- 

 panulato, dentibus triangulari-linearibus, sub apice longe subu- 

 lato-setosis, tubum subaequantibus; petalis ovato-oblongis, basi 

 breviter unguiculatis. 



Eriocnema acaulis Triana! Melast. 23. tab. I fig. 2. 



Bertolonia acaulis Cham.! in IAnnaea IX. 383. 



Eriocnema Hilariana Naud. in Ann. Sc. nat. ser. 3. II. 

 145, XV. 330, XVI. tab. 24. fig. II et Melast. 340; Walp. 

 Bepert. V. 683. 



Caulis fuscus, nodosus, longissime denseque sericeo-hirsutus, 1 ad 

 3 cm. longus, 1 — l 1 /* cm. crassus. Petious satis robustus, rectus, cinereo- 

 fnscus, teres, pilis rigidiusculis, patulis, leviter flexuosis, apice saepius 

 glandularis, fnscis, 3 — 4 mm. longis dense hirsutus, 5 — 8 cm. longus. 

 Folia rigidiuscula, supra intense viridia et aspera, subtus viridi-cinerea ct 

 distinctissime nervuloso-reticulata, 5 — 9 cm. longa, 3 — 8 cm lata, norvo 

 mediano robusto, subtus valde prominente, lateralibus paulo gracilioril>us. 

 Pkiuxci i,i s conimunis satis gracilis, leviter flexuosus, sulisparse longeque 

 patentim glanduloso-hispidus , 3 — 10 cm longus, apice verticillato-braeteo- 

 latus; bracteolae lanceolatae vel lincares, longe hispidae, 2-3 mm. longae. 

 PCDIOKLLI s\ibtiliforines, erccto-patnli , recti, itateutim Klanduloso-liirsuti, 

 inteidnm ramori, l — 2 cm. longi. Calyx fuscus, tubo basi rabTotnndato, 

 2 — 2V« mm. longo et fere totidem lato; dentibus duplieatw, exterioribfui 

 angustis subulatis sctosis 3 mm. longis, interioribns oblongifl membranaccis 

 glabris cum externis ultra medium eoalitis iisque brevioribus. Petat.a 

 crccto-patula, alba, tenuiter 6 — 7-nervia, apice rotundata vel intenlum 

 leviter emarginata, 7 — 8 mm. longa, 3 — 4 mm. lata. Stamixi m tilaincnta 

 filiformia, subrecta, purj)urascentia, 5 mm. longa; antherae flavescentes, 

 basi obtusae, apice obtusiusculac, 2 , /j mm. longae, '/t mm. crassae, con- 

 nectivo fusco. Ovakhm ovoideo-oblongum, fuscum, basi glabrum, superne 



breviuscule villoso-setosum ; stylus capillaris, subrectus, 9 — 10 mm. longus. 

 Capsula fusca, ovoidea, trisulca, apice leviter villosa, 4 mm. crassa. Se- 

 mina perfects ignota. 



Habitat in prov. Minas Geraes: Langsdorff n. 16, 2056, 2103; 

 in collibus prope Ouro Preto: St-Hilaire; in Brasilia loco hand indicato: 

 Sello. 



III. CAMBESSEDESIA DC. 



Cambessedesia DC. Prodr. Ill 110 (1828) et Mem, Melast. 

 22; Mart. Nov. Gen, et Sp. III. 125; Spreng. Gen. I. 342; 

 G. Don Gen. sgst. II 738; Cham, in Linnaea IX. 381; Spach 

 Veg. phan. IV. 216; Meissn. Gen. 114 (81); End! Gen. 1208; 

 Naud. in Ann. Sc. nat. ser. 3. XV. 60 et Melast. 275; Benth. 

 et Hook. Gen. I 737; Triana Melast. 24, 161; Baill. Hist, 

 des PI. VII 9. 43. — Acipetalum (pro parte) Turcz. in Bull. 

 Soc. nat. de Moscow. XXI part. I. 577 (1848); Flora 1848. 

 II 710; Walp. Ann, II. 601. — Rhexiae spec. Bonpl. 



Flos 5-merus. Calycis glabri vel setosi tubus 

 campanulatus globosus vel ovoideus ; lobi persistentes, 

 tubo brcviores vel rarius aequilongi. Petala ovata vel 

 obovata, apiculata vel acuminata. Stamina 10, aut 

 subaequalia aut paulo inaequalia, nlamentis filifornubus, 

 saepissime glabris; antherae lincari-subulatae, subtetra- 

 gonae, basi saepe bilobae, apice uniporosae, arcuatae, 

 connectivo infra loculos nullomodo producto, inappen- 

 dioulato, dorso nunc in bacillum longitudinaliter ad- 

 natum incrassato. Pollen oblongum, longitudinaliter 

 3 — 4-rimosum. Ovarium liberum aut ima basi adhae- 

 rens, ovoideum vel oblongum, glabrum hirsutum vel 

 puberulum, triloculare; stylus filiformis, stigmate puncti- 

 formi. Capsula calyci aequilonga et eo inclusa, tri- 

 valvis. Semina angulato-pyramidata, tuberculata, recta 

 vel rarius leviter incurva, hilo lato laterali. 



F RUT ICES, FRUTICULI et SUFFRUTICES austro- 

 brasiliani, glabri setosi vel pubescentes , saepius micro- 

 phylli, submicranthi, simplices vel saepius ramosi, ramulis 

 strictis tetragonis. Folia opposita vel accedentibus ra- 

 mulis decurtatis axillaribus quasi in fasciculos oppositos 

 disposifa, integer rima vel serrulata. FLORES axillares 

 terminalesyue, solitarii vel pauci aggregate, rarius subco- 

 rgmbosi vel panicidati, ftavi aurantiaci rubri aut purpurei. 



CONSPECTUS SPEoTERUM. 



I. Folia plana, DOB fasciculata. 



A. Calvcis dentes tulw) 4 — f»-plo brcviores. 

 1. Folia opposita; plants mm glandulosa. 

 a. Folia o\ata, acuta, margine denticulata. 



* Caulis satis ramosus; folia basi rotundata, 

 margine serrulata, subtus hirtello-puberula 



1. C. Eichleri Cogn. 

 * Caulis subsimplex; folia basi cordata, margine 



remote denticulata, utrinque glaberrima 



2. C. membranacea Gardn. 



