48 



RUMPHIA 



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Descr. Rhizoma crassitie digiti, reptans, subramosum, tortuosum, obsolete annulatum, pramorsum , 

 lignosum, fuscum, flbris radicalibus dcnsis subpcrpendicularibus filiformibus tenacissimis fibriUosis 

 lutescenti-fuscis, e vertice complures eaudices epiggeos faseiculalos ima nonuihil incrassatos ct rcliquiis 

 fibrosis infimarum vagfnarum frondium cinctos propullulans . Horum juniores vaginis frondium 

 supervolutivis aculeatis plane tccti, vctustiores 10 ad 18 usque pedes extensi super vicinos fruticcs 

 scandentes infcrne plane dcnudati intcrnodia 5-7 poll, longa teretiuscula altero latere cost4 decurrcnte 

 parum promincnte notata tenuissime striata eburnea sistentes, vix calamum scriplorium crassa. 

 Fagince pedales, erassitie pennse cygnca; ad digiti usque, cylindricai, firma;, supcrne erassiores, 

 longitudinalitcr striata}, fusco-lepidota;, vulgo aculeis horrida;, basi pctioli leviter obtuscque carinata; 

 et uno latere spadicis basi decurrcnte notataj , ore in ligulam quandam tubulosam membranaccam 

 strialam mareidam fuscam oblique apertam tandem dilaccratam extenuatae, glabrae, nitidse. Acuki 

 vulgo crcbcrrimi et confcrti, subindc rarl, sparsi vel sericbus spiralibus approximati, subhorizontaliter 

 patentes, e basi supra tumid^ subulati, plani, recti, helvoli, magnitudinc valde inaequales, |-8 lin. 

 longi. Frondes allernai, erecto-patentcs , l|-3 ped., aequalitcr decrescenti-pinnatisecta;. Petioli 

 4-8 poll, nudi, dorso rotundati, supra canaliculati, ad margincs sajpe tota longitudine aut ad basin 

 tantum atque interdum in dorso aculeis raris patentissimis non rare plus quam pollicem longis vagi- 

 narum similibus armati ; frondium inferiorum terctiusculi, passim inermes. RhacJiies subtus convexa;, 

 longitudinalitcr striolatai, postice supra bicanaliculata? , antice acute bifaciales, primn praiscrtim ad 

 ortum scgmentorum fusco-lepidotae, deinde glabra;, dorso inermes aut vulgo aculeis solitariis r£frissimc 

 geminatis remotis conico-subulatis supra convexis praiscrtim ad basin gibboso-tumidam flavido- 

 fuscescentibus apiee fuscis prajditai, infcrioribus longioribus ct plcrumquc rectioribus aliquantum ■ 

 reflexis, superioribus scnsim decrescentibus et leviter uncinato-recurvis. Segmenta 13-22 in quovis 

 latere (in frondibus minoribus pauciora ) opposita v. subaltcrna, erecto-patentia , 4-7 poll., 4-7 lin, 

 lata, lineari-lanccolata , acuminata, trincrvia, cliartaceo - membranacca , nitida, inter nerves supra 

 niagis promincntes transverse vcnulosa, supra saturate viridia et in nervis tribus sctulis raris antrorsum 

 palcntibus fuscis, subtus in glauccnlcm vcrgcntla et glabra, ad margincs sctulis similibus brevioribus 

 apprcssis apiccm versus longioribus magisquc confcrtis ciliata. Spadices polygamo-dioici inter frondcs 

 superiorcs altcrnatim emcrgentes, clongati, erecti vel nutantcs, laxe paniculati, masculi 2|-S ped. 

 elcompositi, fsminei l{-3 ped., saspc aboricntes et in cirrbos simplices infcrne subancipites supernc 



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filiformes debiles remote vaginatos aculeis irrcgulariter sparsis reduncis parvis obsesses mutati. 

 Pedunculus imei vaginis frondium ad latus adnalus, intervallo circitcr pollicari infra orificium spatha; 

 longitudine 3-8 poll, distinctus, erectus, anccps, unispatbatus, subincrmis aut praieipuc ad margincs 

 aculeis rectis patentissimis et in dorso spatha; brevioribus retrorsum spcctantibus , supernc in rhachin 

 altcrnatim ramosam magis redunco-aculcatam summo apice cirrbifcram attcnuatus. Spatkw rhachin 

 altcrnatim involvcntcs, in spadice masculo 3-8, in femineo 3-S, tubulosa;, arctae, supernc bine fissae, 

 inde in acumen breve tandem sphacelato-fissum productae, latere cxtcriore aculeis sparsis rbacheos 

 similibus, inferiores, quarum infima semieylindrica, longiores, 2-6 poll., Icniter eompressa;, superiorcs 

 scnsim brcviares, cylindrical. Rami'5-d poll, inter se remoli, ereclo aut subhorizontaliter patentes, 

 in spadice masculo 3-8, quorum inferiores i-1 ped. longi, et paniculato-ramosi , in femineo 2-5 

 breviores et in amenta simplicia disticha divisi aut superiorcs amenta simplicia sistentes 5 rhachi 

 flexuosa, subtrigona, spathis secundariis cyatbiformi-tubulosisscmipoUicaribus et brevioribus char- 

 taeeo-membranaceis virenti-fuscis striatis ore ciliato altcrnatim bine inde productiore vestitA. Ramuli 

 . jlorigeri (s. amenta) in spadice masculo graciliores, floribus pluribus magis approximatis , ^-2 poll, 

 longi, filiformes, disliche patentes, recti v. paululum recurvi, ad apiccm a basi bracteis brevibus 

 perfoliatis oblique cupuliformi-expansis alternalim hine in acmnen produetis nervoso-striatis fuscis 

 cincti, furfure parco fusco dcliqucsccnlc obsiti. Intra quamvis bracteam braeteola minor patella^formis 

 truncata, latere utrinque in dcnticulum prominens, sub floribus femineis manifesto binis foliolis oblique 

 superpositis inter se ct cum rhachi concretis formata, cujus foliolo superiori flori femineo protinus 

 substrate ad latus altcrum aliquanlo altius preductum extus flos masculus exiguus imperfectus caducus 

 insidct, que lapse hoc quoquc semper latere cicatrix conspicua rcmanct. Flores sessiles, horizontalitcr 

 patentes, fusco-vircntcs , sesquilineam longi, glabri; feminei laxius dispositi, tumidiusculi , flore 

 masculo nen bene evoluto singulos ante anthesin comitante; masculi intra bracteolas solitarii. Masc. 

 Calyx hYGvk, cyathiformis, Irifidus, coriaceus, crassus, nervosus; laciniis lato-ovatis, acutis, erectis, 

 anguste membranaceo-marginatis. Corolla calycc plus duple lengior, profunde tripartita, chartacea, 

 ima basi carnosa, in alabastro clavalo-cylindrica ; laciniis eblongis, acutiusculis, concaviuseulis, erecto- 



