23 



MELASTOMACEAE r CAMBESSEDESIA-PYBAMIA. 



24 



«. 113, VautMer n. 28 part, Era Custodio. - Var. T . tn arenosis hu- 

 midiusculis altis prope Tres-Barras , Villa do Principe. Diamanhna et 

 Serro Frio: Martins. - Var. 8. in prov. Minas Geraes loco hand in- 

 dicate: Pohln. 31, 580, Claussenn. 9, Langsdorff n. 2134, Gardner 

 n 4588 part., Lhotzky ; ad Serra da Piedadc, altit. 1800 m. : Claussen 

 n 131 B Nctto- in campis editis arenosis Immidiuscidis mont. Itacolunn: 

 Claussen n. 15, 26, 89, Martins Herb. Fl. Bras. nJHj in summis 

 montium Itambe, Itacolumi, Mentanha etc.: Martins; in arenosis palu- 

 stribus camporumAraracoara: Lnnd; in montosis siccis ad Paracatu: 

 Pohl n 855 1217, 2522, 4167; ad Congonhas do Campo: Steplian; m 

 pratis 'arenosis ad Serra da Lapa: Riedel n. 918; ad Cusco d'Agoa: Sello 

 n. 1163part.; ad Serra da Caxoeira: Sello n. 1745. - Var. s. %n prov. 

 Minas Geraes: St-Hilaire; in prov. Bio de Janeiro: Glaziou n. 12702. — 

 Var. C. in prov. Minas Geraes: Gardner n. 4588 part, in herb. Boiss. — 

 Var. f\. in prov. Minas Geraes: Sello; in campis apertis ad Barra da 

 Vareda: Princ. Neuivied; in prov. Goyaz : Gardner n. 4150. — Var: &. 

 in prov. Minas Geraes: Sello n. 1049; ad Serra Agurua prov. Baldu: 

 Blanehet n. 2894. — Var. i. in arenosis humid iiisculis prope Villa do Prin- 

 cipe, Diamantina et Serro Frio: Martins; in Serra de ItamU: Martins; 

 in altis pascuis locis petrosis irriguis in mont. Morro de Villa Rica et 

 Itacolumi: Martins; in pascuis montium prope Ouro Preto: C. Bunbury. 

 — Var. x. in campis arenosis prope Bio S. Francisco: Riedel n. 2682. — 

 Var. \. in prov. Minas Geraes: Sello n. 5577; ad Serra da Moeda: Sello 

 n. 133, 1744; ad Uberaba: Regnell III. n. 4**. — Floret a Novembri 

 ad Majum. 



14. CAMBESSEDESIA SETACEA Coax, fruticulosa, 

 erecta, glabra, microphylla ; caule teretiusculo, basi incrassato, 

 inferne simplici, superne ramosissimo ; ramis tetragonis, di- 

 varicatis, glabris vel apice sparse glanduloso-pilosis, ad nodos 

 interdum brevissime fasciculato-pilosis ; foliis sessilibus, lineari- 

 setaceis, basi leviter attenuatis, apice obtusis vel subobtusis, 

 margine integerrimis et leviter revolutis, utrinque glaberrimis, 

 tenuiter 1-nerviis; floribus minutis, longiuscule pedicellatis, 

 ad apices raniorum terminalibus axillaribusque , solitariis vel 

 raring subpaniculatis ; calyce glabro vel subglabro, tubo an- 

 guste campanulato, tenuiter 10-nervio, dentibus triangularibus, 

 acutis, tubo 5 — 6-plo brevioribus ; petalis purpureis, oblongo- 

 lanceolatis, acutis; staminibus valde inaequalibus , iilamentis 

 glaberrimis; antheris longiusculis, leviter arcuatis, apice acu- 

 tiusculis, basi antice breviuscule productis saltern in stami- 

 nibus majoribus, ideoque nonnihil bifurcis; ovario oblongo, 

 superne glabro vel vix puberulo. 



Talnda nostra IV. Fig. II (habitus cum analysi). 



Cambessedesia Hilariana var. minor Cham.! in Linnaea 

 IX. 381 (pro parte). 



Eadix crassa, perpendicularis, elongata, paulo ramosa, leviter flexuosa. 

 Caums robustus, flexuosus, eanescenti-cinereus, interdum excoriatus, 2 ad 

 3 dm. alius; rami gracillimi, longiusculi, cinereo-fusei. Foua patula, dense 

 fascicnlata, plus niinusve flexuosa, internodiis saepius longiora, supra in- 

 tense viridia, subtus paulo pallidiora, 5—8 mm. longa, l /z— */« mm. lata, 

 nervo mediano tenuissimo, subtus non vel vix prominente. Calyx einereus 

 vel cinereo-fuscus, tubo inferne attenuate, apice saepius leviter dilatato, 

 3 mm. longo, l'/s— 2 mm. lato, dentibus patulis, */«— »/a mm. longis' 

 Petai.a erecto-patula, basi paulo attenuata, tenuissime 5— 7-nervia, 4 mm. 

 longa, l l / 8 -2 mm. lata. Stamixcm majorum filamenta linearia, compressa, 

 leviter flexuosa, 4 mm. longa; antberae flavae, dorso fuscae, 4-5 mm. 

 longae; stamiuum minorum filamenta capillaria, subrecta, 2 mm. longa- 

 antberae flavae, rectae, V/,-2 mm. longae. Ovarium cinereo-fuscum, in- 

 ferne leviter attenuatum, apice rotund.Unm, 2 mm. longum; stylus purpu- 

 rea, leviter arcuatus, glaberrimus vel inferne vix puberulus, 6-7 mm 

 longus. Caps.-i.a fusca, ovoidea vel ovoideo-oblonga, basi leviter attenuata 

 apice rotundata, trisulcata, glaberrima vel apice vix puberula, 4 mm' 

 longa, 2-3 mm. crassa. Skmina cinereo-fusca , ovoideo-oblonga, recta vel 



vix arcuate, basi leviter attenuata et obtusa, apice subtruncata, »/» mm. 

 longa, V* nam. crassa. 



Habitat in prov. Minas Geraes: Sella n. 133 part., Riedel n. 1674; 

 in campis ad Villa Vigosa: Princ. Neuwied; inter Victoria et Bahia: 

 Sello n. 485; in prov. Piauhy ad Rio Preto: Gardner n. 2847; in Bra- 

 silia loco hand indicato: Kallmann. 



IV. PYEAMIA Cham. 



Pykamia Cham, in Linnaea IX. 458 (1834); Meissn. Gen. 

 114 (81); Endl. Gen. 1207; Walp. Hep. II. 119; Natal in 

 Ann. sc. not. ser. 3. XV. 58 et Melast. 273; Benth. et Hook 

 Gen. I. 737; Triana Melast. 24. — Acipetalum (pro parte) 

 Tare.-, in Bull. Soc.nat. de Moscou XXI. part. I. . r >77 (1848).— 

 Osbeckiae spec. DC. Prodr. III. 139. - - Tibouchinae spec. 

 Baill Hist, des PL VII 40. 



Flos 5 — 6-merus. Calycis tubus urccolatus vel 

 oblongo-campanulatus , stellato - tomentosus ; lobi tubo 

 breviores, persistentes. Petala ovata vel obovata, 

 glanduloso-ciliata. Stamina 10 vel 12, aequalia, fila- 

 raentis glabris vel glaudulosis; antberae consimiles, 

 lineari-subulatae , subtetragonae , arcuatae, 1-porosae, 

 connectivo infra loculos nullomodo producto, inappen- 

 diculato, postice ad basin nonnihil incrassato. Pollen 

 ovoideo-oblongum, longitudinaliter 4 — 5-rimosum. Ova- 

 rium ima basi adhaerens, caeterum liberum, vertice 

 glandulosum vel pilosum, 5-loculare; stylus filiformis, 

 sigmoideus, basi glandulosus, stigma te punctiformi. 

 Capsula calycis tubo urceolato aequilonga, 5 — 6-valvis. 

 Semina compressa, pyramidata, angulata, recta vel 

 leviter arcuata. 



Frutices austro-brasiliani monticolae, erecti, ra- 

 mosi, steUatim tomentosi. Folia coriacea, petiolata, 6b- 

 longa, trinervia, integerrima vel crenulata. Flores 

 inter minor es, ad apices ramorum dense panicidati vel 

 glomerati, demum in dichotomia alares, violacei purpurei 

 aid aurantiacei. 



CONSPECTUS SPECIERUM. 



A. Folia supra tomentella et immerse reticulata 1. P. salviaefolia Cham. 



B. Folia supra glabrata, nitentia vel vernicosa. 



1. Calycis tubus teres 2. P. pityrophylla Cham. 



2. Calycis tubus 10-striolatus 3. P. striatella Naud. 



1. PYRAMIA SALVIAEFOLIA Cham, dichotome ra- 

 mosa; ramis hornotinis tomentoso-hirsutis ferrugineis foliosis, 

 vetustioribus nudatis et saepe excoriatis; foliis longiuscule 

 petiolatis, ovatis, basi rotundatis, apice obtusis, margine 

 tenuiter crenulatis aut integerrimis, supra tomentellis vires- 

 centibus et immerse reticulars, subtus brevissime denseque 

 tomentosis canescentibus inter nervulos reticulatim prominulos 

 foveolatis; cymis 3— 7-floris; calyce tomentoso-subbirsuto, glau- 



