Leopoldinia,'] EQrATORTAL-AMETMCAN PALMS. 127 



above Manaos. Possibly the three may include two species ; but 

 my specimens of all are incomplete. 



I did not meet with Martius's second species, i. insignis^ "pin- 

 nis subtus irlaucis/' found bv him in the nrovince of Para. 



2. L. PiASSABA, Wallace, Pahns, pi. G : caudice solitario robiistiore 

 barba petiolorum persistente velato; foliis 15-pedalibus a3qualiter. 

 pinnatis, pinnis sub-GO-jugis linearibus acuminatis patulis; spadiei- 



bus 4-pedalibus quater divisis minus dense fulvo-tomentosis ; brae- 

 teolis fimbriatisj pistillo sterili florum <J tripartite j di^upis subglo- 

 bosis parum compressis. 



Hab, per tractus sylvaruni Amazoniensium a flurio Padauiri, flumini 

 Negro affluente, ad Orinoci cataractas usc[ue, in arenosis depressis 

 quibus tempore pluvioso aquse imbrium colliguntur, ibidenique latas 

 plagas efformat (^Spruce in Linn. Soc. Journ, iv. 58 ; hb, Pahn. 50). 

 Piagaba Brasiliensium, Chiquichiqni ab Orinocensibus dicta j Titia 

 Indorum Barre est. 



Caudex solitarius 20-40-pedalis^ barba petiolorum omnino velatuS; vel 

 in setate, barba marcida delapsa, apice solo barbatus. 



Folia 15-pedalia arcuato-patula requaliter pinnata; ^jc^io^ws 4^-pedalis 

 basi vaginans, vagina antice fibroso-reticulata ore in baibam pendu- 

 lam rufo-badiam tenacem lf-4^ pedes longara producta; pinn^ sub- 

 GO-jugse, horizontales; apice solo pendulse^ lineares acuminatse, gla- 



berrimae. 



Spadices 4-pedaIes arena to-penduli quater di-^-isi, ambitu triangulari- 

 acuminati, tomento pallide fulvo baud dense vestiti; pcdunetdtis 14 

 pollices longus, 9 lineas latus, valde compressus ; rhachis supenie po- 

 lygona ; rami priuiarii sub 25 ; ramidi floriferi tenues profunda al- 

 veolati. Alveoli 3- (sed ex abortione 2- v. 1-) flori. Spathce 2 mem- 

 branaceae fusiformes rufescentes, mox deciduse lacerseve. 



Flores polygamo-monoici dioicive, odore suavi Pescdce scatentes. Fl. 

 cf : bracti'ohe ex alveolis altius emersffi (quam in Z. majore) subacu- 

 minatffi insigniter fimbriata}. Sepala oblato-orbicularia subovatave 

 fimbriataj imbricata. Petala late ovata, valvata, sepalis triplo longiora. 

 Stamina corolla subbreviora ; filamenfda lineari-subteretia basi ipsa 

 coalita ; anfheroi suborbiculares versatiles. Pistillum rudimentarium 

 filamenta fere jequans tripartitum. — Fl. 5 ssepe ad distinctos ramulos 

 V. etiam in diversis spadicibus, dissitinsculi. Calyx e sepalis 3 reni- 

 formibus valde oblatis late imbricatis margine attenuate fimbriatis. 

 Petala duplo et ultra longiora, ovato-triangularia valvata coriacea. 

 Aiidracenm sterile adest filamentis 6 subulatis liberis constans. Ova- 

 rium trigono-turbinatum, apice depresso-trifidum, carpidiis duobus 

 sterilibus demum ad unici fertilis basin persistentibus verrucifor- 

 mibus; stiffmata 3 sessilia linearia rocuna papilloma, sub fructus 

 grossificatione valde excentrica. Bmpee (vix matura>) 21 lineas 



