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RUMPHU. 



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affiguntur, indumoiito ochrascente obducta, segmcnta ejus aliquanto breviora et snpra, sictit in D. hirmlo, in Iribus 

 nervis sublus vcro In medio solo, neque identidem in lateralibus primariis secu.ulariisqne setulis obsessa. In sunnnU.le ' 

 caudic'is scandentis digitum crnssa, quam in mnulbus habco, vagina, frondium elongata. cylmdraceie lignescentes extus 

 profunde .ulcat^ aculeis subulatis i- 1 poll, et ultra longis, ima {- 1 lin. latis sursum appressis floxihbus vnlgo nigrofuscis 

 \ui intcrdum pallidis villo fusco-marginatis nuUo ordine obsess* preccipue in antica parte indumento denso far.naneo- 

 tomcntoso fuliginco vestluntur. Frondes, propter apicem rhacheos attenuatum trigonum sesqu.pede longum unc.s brevibus 

 palmali-partitis instructumapbyllum, 2i-3ped. longa^. Pctiohis ^-6 poll., satis crassus, 3^ hn. latus, semiteres, m medio 

 dorso rotundato superne aculcis paucis distantibus simplicibu.s, ct ad marlines argutos , a basi mde usque ad infiraa 

 segmcnta, raris simplicibus aut conjugatis ina^quilongis rectis armatus. Rhacliis postlcc nd partem crassiorom supra 

 applanata, binis sulcis marginalibus obsolotis angustis superne magis explanatis, ubi rbacbis ex tetragcnu m trigonum, 

 et parte anteriori scnsim magis attenuata in triquetrum transit, secundum longitudinem lateris dcrsalis convexa) 

 aculcis subfcquidistantibus %-1\ liu. longis crassis apicc nigro-fuscis simplicibus Icniter reeurvis superne sensira bre- 

 vioribus magis approximatis palmato - divisis obsessa. Segmenia quo vis latere plus septuaginta, reduplicato- adnata, 

 opposita ct alterna, patentia, adco approximata ut sibi incumbant, 4^-5-; poll., { poll. lata, infcriora et superiora 

 multo angustiora et aliquanto breviora, lincari-lanceolata, in apicem setiformem cito emorientem excurrentia, mem- 

 branacea, trinervia , obscure viridia, crebris setulis brevibus fusco-pallentibus subtus in nervo mo(7io ac Krniindum 

 margines, longioribns vero in pagina superiori ad nervos duos laterales nee non superne ad nervum medium argute 

 jtrominentem apicemque selaceum. Stirpis admodum juvenis nondum pedem altae hujus give Varietatis sive Speciei 

 rhizoma est fibrosum, fibris filiformibus irregulariter flcxis, simplicibus aut sa^pius pinnato-ramosis, pallidis v. fuscis. Sine 

 caudice constat quinque frondibus longissime petiolatisavrcctis eleganter pinnatisectis ecirrbosis, quarum petioli S-6 poll,, 

 graciles, tereti-compressi , striati, virentes, squamulis fuscis lepidoti, basin versus in vaginam sesquipedalem ima uiutuo 

 amplexam apice obtuse-bidentatam extus indumento fusco obductam dorso inermem aut paucis aculeis horizontalibus 

 acicularibus pallide- fuscis armatam dilatati. Lamina frondis subcircularis, 2^-3 j poll, diametro, in quindccim ad plus 

 viginti segmcnta I'^-S^ poU* longa 1-2 lin. lata approximata lineari-lanceolata acuminata trinervia parce setulosa 

 pinnatisecta. 



Descr. Caudex scandens, in summitate arete vaginata adhuc crassitie digiti minoris, una altcrave rhachi 

 frondium Icrniinalium congcstarum baud raro in appendiccm apliyllam aculcatam mulata. Faginw 

 petiolarcs clongatce, lubulospe, ligncsccntCs, os versus extenuatse. longitudinalitcr slriatae, viridulse, 

 furfure parco fusco-cincrasccnti dctergibili aspcrsa;. Jculei vaginarum solitarii v. per series transver- 

 salcs approximati, subulati, plani, ex spadiceo pallidi, priaesertim ad margiiics fuscos villosuli, 

 magnitudine ac directione admodum diversi; supcriores os cingenlcs i^-S^ poll., angustlssimi , 

 recti, appressi, intensius colorati; cetcri 2-5 lin. longi, 1-2 lin. lali, majorem partem patuli v. reflexi, 

 prseter inferiores minores rariores sursum appressos. Frondes 5-6 ped. et longiorcs, ecirrhosBe aut 

 rhachi sajpius apice in appendiccm tenucml^-2 ped. longam nutantem ex trigone teretem dorso 

 aculcos 4-7- fidos recurvos gcrentem continuata. Petiolus semipedalis, crassitie penn^e anserine, 

 strictus, dorso convexus, ventre ima applanatus sursum convexus, pallide virens, in latere dorsali 

 superne ct ad margines aculeis brevibus distantibus simplicibus aduncis, ad margines posteriores 

 in elongatiorcs rectos graciliores transcuntibus armatus. Rhachis sub lente obsolete scabrida, 

 secundum totum latus dorsalc convcxum aculcos subaiquidistantes 1^-2 lin. longos ex basi crassA 

 pallida apice acutato recurvo nigro-fuscos parte rhacheos suprcma sensim magis approximatos ct 

 palmato-fidos profcrcns, supra inter segmenia infcriora in angulum obtusum, inter superiora in aciem 

 acutatam promincns. %mewfa plurima, subopposita, erecto-patcntia, Iinearia,.6-7|poll., vix^poll. 

 lata, apice longe acuminate hirta, membranacea, in nervis Iribus primariis paginal supcrioris aut 

 passim in quinis setis raris salis longis fuscis, ad margines ac pr^esertim in nervis primariis seeunda- 

 riisque paginse advcrsa? brcvioribus minusque distantibus. Spadkes fertiles s. feminei in stadio 

 efflorcsccntise 6-7 poll., erccli, ramis quatuor aut quinque alternis primo arrectis deinde patentibus 

 tandem in paniculam laxam uUra pedem longam accresccnlibus, ante anthcsin spatha solitaria, extus, 

 ut vidctur, aculcata, cito se a pedunculo tereti-comprcsso aculeis patulis rcctis simplicibus v! bifidis 

 armato sejungente involuti. Rhachis leniter flexuosa, teretiuseula, infra ramos modicc incrassata et 

 margine obsoleta oblique truncata membranacea eircumnexa, ramificalionum instar crustA fusca ex 

 parte deliqucsccnle furfuracca obducta. Rami subangulati, inferiores in scptenos oclonosve, supc- 

 riores in pauciores ramulos llorifcros retroflexos distiches divisi, in alis callose-inerassati. Spathellw 

 totidem quot ramuli, obsolete, alternatim in acumen breve ramulis appressum membranaceum 

 productf^. Bractea conformis, sed inconspicua infra flores singules, angulis rhachium floriferarum' 

 prommcnlibus bracteola vix conspicua cinctis, quarum sinus rcplcnt, insertes. Si cicatriculam minutam 

 . juxta quemvis ex his floribus spectes, singulis alter minor utque vidctur masculo-neuler socius esse 

 solet. Flares fertiles 2|lin., fusciduli, scssilcs, sed gressificatione magis prevecta, infra ealycem 



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