IGi 



^ 



RUMPHIA. 



r 



rolicuIalioncvaUle arcta connexis. Racemi axillares et tcrminales, solitarii., ^-7 poll., erocli, graciles, 

 pkrumquc in rliaclics paucas divaricatas sccundarias spiciformcs divisi, rarissime simplices, juvenili 

 statu minus evoluto amentiformes et, ut folia inexplicata, fulvo-hirti ; rhachi primarid filiformi, 

 comprcsso-angulatA, posticc 1-i ^ poll., ut eliain inter et supra rhaches seeundarias fere ad 

 medium usque nuda et, ut IUeb, puberula et anlcriorc parte fasciculis eopiosissimis brevissime 

 pcdunculatis paucifloris obsita. Sqiiamulw lineari-subulatse, fulvo-hirtae, vixlineam longae, in quoque 

 fasciculo solitari^, appressse, caduca3. F/ores aborlu polygami, sinapios grani mngnitudine, pedicellis 

 basi articulata bractcolis minutissimis hirsutis instructis suffulti. Calyx profuude quinquepartitus ; 

 lohi subrotundi, concavi, mcmbrauaoci , pellucidi , laxe retieulato-nervosi , tribus interioribus 

 imbricato-conniventibus paululo minoribus, glabriuseulis ; lobis lateralibus duobus externis puberulis 

 et marginecilialis. Petala nulla. Discus in fundo calycis, parvus, planiusculus , carnosus, integer- 

 rimus, pubernlus. Stamina 5, patentia, circa ovarium disco intus inserta, ealyce breviora. Filamenia 

 subulato-filiformia , libera, inferne pubcsccntia. AnthercB filamcnto dupio breviores, dorso medio 

 affixa3, cordatfe, obtuse, glabra, biloculares , intus longitudinalilcr dehisccntes. PM/Zwrn in floribus 

 maseulis rudimentarium , ovoideum, compressum, bisulcum, puberulum, apice emarginatum. 

 Fructus S lin., obovoidei, paululum compressi, bisulci, stylo brevi mucronali, basi disco tumido 

 fulvo-tomentoso anrmlari ct calyeis lobis vulgo emarcido-persistentibus cincti, glabriusculi, rugulosi, 

 porphyrei , abortu loculi unius uniloculares , ab apice fere ad basin usque loculicide-dehiscentes, 

 monospcrmi. Mediasiina crassissima prsesertim ad marginem loculi abortivi, qu& semper in basi 

 ovulum alterum inevolutum analropum obvium, fungoso-carnosa , intus ferrugineo-villosa. Semen 

 loculum rcplcns, ellipsoideum, vertice in exlremitate inferiore affixum , ascendens , funiculo crasso 

 brevissimo subslipilatum , arillatum. Arillus (in seminibus nostris adbuc immaturis) vix seminis 

 tertiam partem obvestiens et in ejus parte dorsali longitudinalitcr apertus. Testa chartacea, brunnea, 

 nitida, in lalcrc vcntrali, ubi rapbe excurrit, manifesto erassior. 



2. DICTYONEURA obtusa. 



D. foliolis 5- i2-jugis trapezoideis obtusis crenatis; racemis simplicibus. 



Habit, in sylvis litorcis Guinece Novae in pago Lobo. - 



Descr. Arbor 50-40 pcd. , liabitu Chloroxyli Swieteniw satis similis. Ramuli terclcs, fusci v. badii, 

 glabrati ; junioribus longitudinalitcr sulcatis, rhachium foliorum et racemorum instar fuseo- v. 

 rubiginoso-tomentosis. Fo^mallcrna, approximata, brevissime petiolata, patentissima , 2-6 poll. 

 Jonga, pari-pinnata; rhachi gracili, recta, crassitie pennae cohimbinse , anguste marginal^, apice in 

 mucronem 1 -2 lin. longum subulatum lomcntosum producta , fere ad basin usque nodoso-incrassatam 

 foliolis deorsum insigniter dccrcscentibus obsess^. Foliola S-12- interdum quoque paucijuga, 

 opposila et altcrna , sessilia, trapezoidea, obtusa, superne remote crenata, basi valde inaequalia, 

 mcmbranacea, in nervo medio ntrinquc pubescentia et in axillis venarum subtus barbata, pellucida, 

 plurimarum instar Phymatodearum arctissime reticulata; supcriora 1-1^ poll, longa, 6-8 lin. lata, 

 infima sensim ad 8 v. 6 lin. usque decrescentia , magis in formam obovatam vergentia et cite decidua. 

 Racemi ex axillis foliorum supcriorum, solitarii, brevissime pedunculati, 1-1^ poll., spicseformes, 

 simplices, erecto-patentes. Flares brevissime pedieellali , mngnitudine grani sinapios , puberuli , eircum 

 rhachin tcretiusculam tomcntosam glomcrulis satis approxiuialis 3-D- floris dispositi, quorum flores 

 medii pracociores , ad basin cujusvis glomeruli sqnama parva ovata tomentosa prgediti, abortu 

 polygami. 3Iasc .: Calycis foliola S rarissime 4, subrotunda, eoncava, imbricalo-conniventia, mem- 

 branacca. intus glabra, a^qualia v, trium interiorum superiora duo paululo minora. Corolla nulla. 

 Discus in fundo calycis , parvus, depresso-annularis, margine interiori staminifcr. Stamina 5 

 raro 4, foliolis calycis breviora iisquc opposita, erecta, aequilonga. Filamenta brevissima, subulala, 

 libera, basi puberula. Antherce ercctae, introrsae, subrotundaj, utrinque ,retusffl, basi afiSxae, 

 glabrae, biloculares; loculis appositis, parallelis, introrsum rima longiludinali dehiscentibus. Pistilli 



: mdtmentum minulissimum , centrale. 



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