' ' KAST US. H ' 20 1 



neutriSj unipalcaceis. Glum.ec1u^, Stami^ja sex. Styi.us profuiide triparUlus, 

 Sttgmata plumosa. Squam^ tres, 



1. NASTUS Chusque. t 



Chusque et Carizo incBlarum. 



Crescit in montanis frigidis prope Santa Fe de Bogota , in monte Quindiu ^juxta urhem 

 Quitij Loxm ccet. f^ Floret Julio , Auqitsto. 



Ghamen allissimum, per (ruQcos arborum adscendens , raniosum, nodosum ; ramis faseiculatis tere- 

 fibus, glabris, oitidis. Foija brevrssime petiolafa, lanceokla, angustato-subulata» plana ^ multineivia 

 striaia, membranacea, glabra , tri- aut quadrfpollfcaria , quatuor llneas lafa. Vagilv^e sulcato-striat.-p 

 glabrfc , apice bilobie , lobi.s rotuntktls. Ligula nulla. Pamcul^ terminales, ramosaj, solilariKj subtripol- 

 licaies^ rami^ ahernis, subsecuadf^, abbreviatls, patentibus, rhacblque angulatis , scaLris. Spicul-esoU- 

 tarijE j pedicellatiB , lanceolaio-cylindraceie, acumioato-subulatie, ires lineas longse, uniflorse- Glum« 

 quatuor, dislicbe imbricata?, membranaceie , glaLrce , striatce , vhideSj apice purpurascentes ^ duse inferio- 

 res miniiHte j oblonga:, .^cula.' , dua: auperiores (ilores neutri, unipaieacei?) elbptlco - oblona^e, apice 

 subulfltcc, paleis paHllobreviores. PALE-tdu,T,glabriie,subfequaIes, inferior elliplica, mucronato-subulala, 

 mullinervia , snperior binervia, apice bifi Ja , laciniissubtd.ilis- Stamin.i tria. AKTHER^Iineares. Ovarhjh 

 oblongnm, niiQutissimum , glabrum, Stylls profunde biparlilus. Stig^iata plumosa?, S<3uam£ dum?, te^ 

 nulssime membranacen? , paiiesfruclificalionis circumdanles. 



Structuram partfum fructificationis in specie supra descripla accurate cxplorare non potui, satisqne 

 habui, eam ad gernis IVasii referrc , cui babitn valUe afliius; vix enim dubito^ quia aptjus cura Arundine 

 Quila Poir. ', qure gramini noslrosimillima» conjugend^i et una cnm bac , g(?nere,a Kasto dislinguenda sit, 

 ob siaminum numerum ternariiim stylosqne biparlltos- 



Ex observalionibusmeis^paiet, Nastum Jnssjfei genus esse a Bambusoe genere satis diversnm j indujbus 

 lamen speciebus mibi cognilis , tum borbonica a Commersonio , tum roadagascariensi a Pelit-Thouai'5 

 allala , sljlos profundc triparlilos inveni, sicul cx numero fernario squamarumT partcs fructificationis 

 circumdantium suspicatus eram, Spcciraina asiallca Bambusce arundinaceo^ (Arundo Bambos Linn.) non 

 possideo » nec styli veram strucluram examinare potui; vereor lamen ut bipartilus sit, queDjadraodum 

 Scbieberus^ ct Roxburghius^ aflirmant; sqiiam^ enim tres,quQS depinxit ct descripsit Roxburgbius, mfbi 

 persuadent, siyluni in Bambnsa, xU in iVasto, trlpavtituut esse. In nova specie borbonica a Tbouarsio 

 mecum communicala^ BambuSEcque arundinace^ simillinia et ab ea vix distinguenda, itemque in spe- 

 ciebus duabus Americ;^ meridionalis a Bonplandio ^ descriptls , stylos semper tripartilos , Sfjuamas Ites 

 obscrvavi. 



r 



■ Poirt]l enfycl- G. p. 37^. 



■ R*:vi5inii desgeiirGs du groupc dcs Bambousiers, par Chn Kutiili, in M^m- du Alustit de HiUt ijaL L a* 

 5 Schrcb. g<>n. p. a^. 



^ Roxburfjli, plants of ihc coa&t of Coromandcl, Ih p^ 56- [. 79, 

 ' Humb- cl BoTipl. pT- scq- ^- p- G8. ^3* 



NoV- Ge\- etSpec* Tomus L ^ aij 



