*■__ ^*- 



181 



BEOMELIACEAE : RnODOSTACEYS. 



182 



J. ElIODOSTACHYS Phil. 



RiiODOSTACHYS Phil, in Linnaea XXIX. (1S58.J p. 57 et XXX. 

 p. SOI; Benth. el Hooh Gen. 111. (1SS3.) p. 662; Wiibn. in 

 Engl et Prantl, Naturl Tflanzenf. II 4. (ISSS.) p. 45; Baker. 

 Brom. (1889.) p. 27. — Ruckia Hegel, Garfenjlora ISOS. p. GO. 

 L 571. — Bromeliae 5j;ec. K et P. Flor. Pemv. et Chil. III. 

 (1802.) p. 33; Mol Sagg. Chil ed. 2. (1810.) p. 281; Gay, 

 Fl GUI VI (1853.) p. 9 et All i. 68; Paxt. Fl Gard. II 

 (1835.) t. 65; Lem. in Jard. feur. t. 223; Beer, Brom. (1857.) 

 p. 31; K. Koch, Wochemchr. 1868. p. 325; E. Morren in 

 Belg. hort. 1873. 1. 14 et 1876. p. 161. 1. 10 -11. — Billbeiujiae 

 spec. Roem. et Schult. SysL VII. (1830.) p. 1255. n. 2. — 

 Heghtiae spec. Verlot in Rev.' Eorlic. 1868. p. 211 c. Jig. ~ 

 PouRRETiAE spec Chautin fide Bale. Brom. p. 28. 



- Floijes hcrmaplirocliti. Sepala solemuitor basin 

 usque libcraj cutopicc imbricata v, frequentius subupcrta, 

 per antlicsiu crecta v. subcrcctaj tomcntosa v. raro sub- 

 glabra, subsymmctrica. Petala paullo dextrorsum con- 

 voluta, basin usque libera v. pauUulum oonnatu, sub 

 anthcsi apice suberecta genitalibusque plorumquo bie- 

 viora, eligulata v. callis binis percrassis a ligulavuui 

 forma normali lougc rccedontibus aucta. Stamina aut 

 omnino libera aut rarissimc pctalis basi paullo adnata, 

 antberis baud procul a basi dorsifixis; polliuis granulis 

 integcrrimis globosis , poris v. sulca baud praeditis. 

 Tubus epigyxus brevissimus v. subnuUus. Ovarium 

 solemniter inferum , plerumquc tomentosum , sessile v. 

 subsessile V. breviter pedicellatum; stylo sinij)lici, cnis- 

 siuscule triangularij breviusculo ; stigmatis lobis 3 an- 

 guste subfoliolaccis, vix contortis ; ovulis interuo locu- 

 lorum angulo tota altitudine brevissiuic funiculatim 

 affixis podio speciali liaud insideutibus , submultis v. 

 subpaueis, ccaudatis. 



Herbae de])ressae, acaides v. rarius suhcnulescentes. 

 Folia perdense rosulata, 7nargine insigniter aculels cur- 

 vatis armata, dorso saepisslme memhrana e lepidihus alhis 

 composita oUecta. InflorescentiaE follis intiniis im- 

 mersae, perabhreviatim saepeque sahcapliatlm splcaiae v. 

 suhracemosae simpUcissimae, indejinitae. Petala rosea 

 V, violacea v, rubra, saepius albescentia. 



r 



Plantae Andinae, in regionibus Chilensibus orientalibus 

 freciuentistiimae, paucis Peruviaiiis, binis Argentinae pi-orincias 

 occiflentales in regionibus Pampas dictis colentibus et exempli 

 gratia hie propositis. 



CI.AVIS SPECIERUM NOBIS TRACTANDARUM, 



1- Folia augustissima, aculeis omnibosaolemniter retrohamatis 



1, Rh. UnBAN'rAVA Mez, 



2. Folia lata, aculeis adsceudentibus . . . . 2, Rh. Argentina Bak. 



1. RHODOSTACHYS URBANIANA Mez, nov. spec, 

 foliis niargine aculeis niaximis. recte pa(entibus v, prsesertiin 

 superioiibus solemniter retrocurvatis horridis, ad 8 mm. latis; 

 inflorescentia subpauciflora, apice obtusa; sepalis dense albo^ 

 tomeutosis; petalis basi minute connatis; antheris paullo ar- 

 cuatis petala superantibus. 



Tabula nostra LI (habitus et amlym). 



TKRitESTRis, ncanlesom?: depressaqae, florifera (foliis escoptis) vix 

 ultra 0,1 m. alta, foliis 10-15 v. rarius plurihns sqiiiirrose rosulatis, basi 

 in vaginam in:uiifestam, ovato elongatam, rbiznmn verticalo suhf^rranoum, 

 bruniioum inibricatim veslieutera, intofrerrimam, baud membranareo-mar- 

 giiiaiam, -snbglabram seusim dilatatis, sulip^it^-ritibn^ Rol(^mnit^rqnp arcriaflm 

 recurvis v. iutorioribui* iu planta juvenili ercK'tis, riRidissimifl, margiue 

 aculeis maximis, 3 -4 mm. lougis, fusco-hadiis, teretibus, r^^cto patentibun 

 V. pracsirliiu -suptMioribua solemuitcr retro eurvatifi (uec adsceudcntibus), 

 nliquandim ab apiVr fulii omnino di'i<imiUibuB holemuiter horridia, supra 

 vaginam nullo mode constrietla wd «ro inltriorihus inde usque ad apicem 

 persoiiRim miunfiMjuo :ilt<»unatis, in spinam ciuamvis brovem Umtu vali^ 

 dissimam, vix ultra S mm. longam, bninnranij twetem nee supra cauali- 

 cuLitam dr^sinontibns, augusliasime linoaribua, ±0,:^ m. longis, 8 mm, latia, 

 eupni quam maxime canalicnbitis, glahris, ftubnitidift, (ex sioco) laete viri- 

 dibus, subtus aolemniter rotiu^iato-convpxis, opacis , membrana lepidoU 

 albida deuse indulis, vittis v, lineia uullis. IxrumKsrKKTjA axi (ut videlur, 

 cum in spec, ikcis de bac que$lione baud exacliuEi imiuirenrluai ait) spurie 

 defiuita, in foliorum ceniro immf-rsa snbpanc.flora, fulii-^ ccritraltbus hen- 

 simqne minntis, dcmum onnjiuo incnuibua, florcs panllo solum superan- 

 titms oiticta eolemaiter sitinilcx, coiif(Ttis,sirn<' iK'r;iljbrc\ iafequc raeemosa, 

 apire obtusa v. rotundala, <'apituliforniis, + 30 mm. diam,, bractt^oUs pri- 

 mum foliift iutimis vegetativis isoTuorphis, turn manifeate m^mbnuiaopis et 

 prncsertim margine biiiuscule hynlinis, apico paullo crawionbus brcvitcrtine 

 aciilis iu acnleum validissime pungrntom dt^sinentibua, ovatiH, margins 

 praeserlim snpra aub lente minutissime sed valdc Ringulariter serrulatia, 

 intus glaberrimia, pi-rnitidiJ*, exteriore lal«re denae mcmhraua lepidota, 

 alba, saepiua Uocco^sa pubem lbriuaul« obtet^is, db 27 mm, longis, 10 mm. 

 latis, ftepala conspiciie auperantibus. Flouks roHci (ex cL lliKRysyMUsI) 

 + 85 mm. longi, SKFAt.ia dense albo-lomcntof^is, ba^iiu us<iue libcris, i: 

 16 mm, luugiSj per iiutlu^siu subert^elis apcrtii, infima basi solum minute 

 a, -eouvoIutiB, subovato-ovalibns, apice brcTiter aculin et in macronem 

 brevem, cr7i»sinK<Milum aed hand pungentem juodnrtin, ntroque laUre, Md 

 dextro panllo allii^a membranacco-dilatatia, margine prope apirem mlnullA* 

 aime perobseureque sub l^nte crenulatis, pauUo aaymmetricta. Pktai-a ± 

 19 mm. longa , niargine ang^slis^imo aaepiuMqne 8u!^%'ane8cente callow 

 qujdem omuiuo libera, ae^l ba^in versus tilameutis 6 et inter ipsa et inter 

 I»etala connatis conjiuuta, (>er autbeain supL-riore parte Hubpateiitia uec 

 titamiua imludeutia, anblu^ Lite liue;n ia, supra in laiuiuaui ovalem demum- 

 (^ue apice sukinnitcr uiacronato-acutam dilaiata. Stamina petalis paullo 

 loiigiora, filamiutis percrassis, omnibus ad V» altit, saltern petalis connatis, 

 triangulaiibua; antheris super infloresccntiam florontoin paullo prominen- 

 tibuSf ad mm, longis, crassis, linearibua, utrinque obtnsiasculis, in V* 

 altit, dorsifixis, per aotbesin arcuatim recurvis; poUinis grannlia Rub- 

 globosi^ V, + triangulo^c^ompresais, poiia nuUia, reti percraeso irregular! 

 praeditis. Ovarium dcusis^ime albo- tomentosum, solemniter sulcatum^ ob- 

 tuse iriangnlare^ ± il mm. longuni, 5 — C mm, diam,^ &ubclavato*cyllti' 

 dricum, apice uuUo modo cuustrictum , ba:?;! brevissime coutractum; peri- 

 autbii tul^o nnllo; st^lo autberas paullo snpermntoy percrasso, apice in 

 ramos 3 perlougos, ba^i teretes, turn plumatiiu biplunafe papiUosoa diviao; 

 placentia inUrno lo?uIornm {iugixlo a ba.si uwjue ad apiccm biseriatim 

 lineariter iiffixis; ovulis in loculo quoque 30—40 longiuncule distantibua, 

 campylotropia (uec sfricte anatropis!), ad micropyleu longe acateque pro- 

 ductiSi exappeudiculatia, breviter sed manifeste atipitat s- Fructus ignotas, 



Obs. a specie sequente sine ullo dubio, quantum c diagnosi Ba- 

 KERIANA nequaquam suppeteute eruendum, diflert et stilura omnino minore 

 et aculeis marginalibas reflexis v. patentibus nee adscendentibus. 



r ' 



Habitat in reijiublicae Argentinae proi. Cordoha ad Chacra de la 

 Merced: Eieronymns. Floret Odobri (v. s. in kerb. Candotl. et Uieronymi). 



2. RHODOSTACHYS ARGENTINA Bak. foliis mar- 

 gine aculeis validis armatis, medio ad 30 mm. latis; in- 



