7oa A. B. 



DRACONTIUM polypliyllum. 



Molley-slalked Dragon- j)Iant. 



IIEPTANDRIA MOyOGYXIJ. 



Nat. ord. Aroide.^. Jvssicv gen. 23. Div. /. Spndix spullia involutu-s. 



Aroide^ (inchfdentcs et Aroidras e( Typhn^ Jvssiryii). 

 Brownprod,1.52'3. Sect. JI. Flores hermaphroditi p(^rinnt}no (corolla) iri- 



structi, Okontiace-^. 



DRACONTIUM, Spalha cymbifunals. Spudix cylimliactjus, florlbus 



tectus. Cor. 5-7-partita. Stamina 5-7. Ccrm. ^-luc, loculis muii<»''pci^ 

 mis, ovulis pendulis. Bacca 1-3-sprrma. Scwina exalbuminosa. Bruta^ 

 prod. 1. 337, 



va- 



T). jwlt/phyllum^ foliis supraclecoinposito-podnlis, laciniis pinnatifidis, scapo 



petiolis multo breviore. IVilld. sp. pL 2. 2^8. 

 Dracontiura polypliylluiu. Linn. sp. pL ed. 2. 2. 1372. Mill. diet. ed. ft. 



?i. 2. Ilort. Keiv. erf. 2. 2. 33G; (cxcluso Brown prod. 337, ipso mo- 



nente aitctore,) 



Dracontium scapo brevissimo, petiolo radicate lacero, foliolis tripartitis : la- 

 ciniis pinnatifidis. Linn, hort. cliff. 434. 

 Dracontium americanTim scabro puniceo caule radice cyclaminis. ITcrm. 



- jmrad. haiav. 93. t. 93. 



Arum polypliyllum t^uiiuaaiense, caule atrorubente glabro et eleganter 



riegato. PbiL aim. 52. /. 149. fig. 1. 



Tuber placcntiforme soboUfcriim, Fol. 1-2, radicalia, composite pcdafa 



foliolis scopitis trihis membranaceis dccursive intcrrvptique hipimiafijidis ; 



petiolus ca«rfic//bri7?fs, teres, erectus (spithmm^is ad sesqvipeddUm), jronde 



plurimdm longior, (inferne prnna velnunc et pnllice crassiorj, pruinom-nitenft, 



fasciis latis annulariLus nndato-Jlexuosis alhis nlgrisqne irreyulariiis varleya- 



tuSy ceUuloso-medullarts celluUs elongalo-cglindricis axin ccrsHsampliorlLus, 



epidcrmide rimuloso-cicalrizatd : Miuni frondljormc, patcnthslmum, (spitha- 



mcetim adpcdale v. ultrci), foliolis bi-rjiiadrijugo-fssis cum impart, lubis ncr- 



vosis acuminatum costd carnosa crassa pallida, Scapns fine mnUotiisi hrc- 



vior, teres, cr assets , femntgineo-fiscescens solidvs, Flos post delcta folia com^ 



2>arens: spatha (H-O-vncialisJ coriacea, oblong o-ovat a ^ galealo-aperta, aeu' 



minata, ifferne consirictiiis convoluta cum fnudo planivsculo crasio dense 



canioso melino-paUtide^ sft-peiut fornicata incurva teuulory iydus airajmrpu- 



rea^ extiis obsolete pwrpurascens per ijetafeniferrugincofuscesccns atqac ncrvii 



plurimis varicosis costata, utrinqnc opjaca: spadix 2-3 ?/??c?<7/?.s', crcc'vs, cy- 



lindraccuSjforibus confertis omnino tectus, diametro pennae olorince, cellnloso- 



camosvs. Cor. membranacca, Inrido-purpnroscenSy campannlata, petaloideo- 



jmrtifa, laciniis (7? 9?) cnneaio-lignhifis ajucc roinmlatis, has i breve eon- 



7i€xis, snpra arete revolvendis. Stanl^ (7? 9?) ereetay coroll<e subaiqualia ; 



. fil*. laciniaimm hasi inserta, memhrauacea, tenuiay liyulato-linearia: anth*.«ar- 



! didtfulccBy ereetdty a hasi iafix<B, oblongce, modbque subturbinatcc, breves^ bilo- 



f cularcs loculis axi medio longitudinali connexis, apice poro svhrotirnd'i 



hiulco extrorsum obliquante dehiscentibns : i^oWevk fvhescens, srobiformi puU 

 vercxim. Stylus germinis pnnVo crassioris cdntimnis, r^husti sybulnius sia- 









