299 



BROMELTACEAE : GRAVISIA. 



300 



XIV. GRAVISIA Met: (nov. gen.). 



BRO.MELIAE spec. LoM Dot. Cah. IX. (1S24) t. SOI; JicU. 

 Exot. Flor. in. (1835) t. 23'J—40. — Hohenbek^iae spec. 

 Schult. fil in n. et S. Si/.^t. VII. (1830) p. 125S ; E. Morr. 

 in Behj. Hort. XXIX, (1870) p 352. lab. 18. — Tillandsiae 

 spec. Desf. Cat. Ilort. Paris, etl III. (1829) p. 50. — Hoplo- 

 PUYTI spec. Beer, Brom. (1857) p. 130. — Aeciimeae spec. 

 Oris, in Goett. Nachr. 18G4. p. 3; Bale Brom. (1889) p 44. 



n. 37, 38. p. 46. n. 44 (45?). 



Florer hermaphroditi. Sepala solcmniter basin 

 usqiio libera, stricte erectu sub antbcsin petalis ad- 

 pTCSsa, sinistrorsum convoluta, apicc Lrcvitcr scJ con- 

 spicue mucroiuita, perusyminctiica latere tccto in alam 

 magnam, baud altius productam dilatata, glabra v. 

 subglabra. Petala solomniter basin usque libera, dcx- 

 trorsum convoluta, sub anthcsin stricte erecta conni- 

 vcntiaque, tubum cylindricum, apice solum paullo apcrtum 

 circa genitalia fornumtia, regularia, propc basin ligulis 

 biuis maximis, utroque latere liberis margincquc supe- 

 riore truncatis grosscquc crenatig aucta , pcracuta. 

 Stajiixa 6 biseriata, filamcntis ser. I. liberis et inter 

 petala insertis, ser. II. petalis altc connatis; antheris 

 introrsum birimosc debisccntibns, prope medium dorsi- 

 fixis; pollinis granulis poris multis (ultra 5) dissemi- 

 natis retlque exprcsso praeditis. OvAiiiUM inferum, 

 solemniter sessile, subcylindrieum v. + trigonuni, sub- 

 glabrum v. in specie iiniea materie eerea excreta ob- 

 tcctum, triloculare; placcntis intevno loculorum angulo 

 super medium baud procul ab apice lincatim affixis; 

 ovulis 00, caudatis; tube epigyno conspicuo, infundi- 

 buliformi; stigmatls lobis valde contortis. Bacca mihi 

 ignota. 



Herbae acaules j spectabiles, saephis ultra 1 m. 

 altae. Folia perdense rosidata, stihtus arete conver- 

 gcnti-imlrlcata utricidum ad aquam pJuvialem recipiendam 

 diuque servandam peridoneum formantia, e vagina per- 

 conspicud,, uirinque Irunneo-Jepidotd +_ anguste Ihiearla, 

 margine acid cat a , super vaginam mtnquam constricta, 

 apice acuta mucroneque pimgcnti pracditaj suit as + 

 dense alho-Jepidota , vittis v, lineis nuUis. Inflores- 

 CENTIA axihus solemniter indefinitls terminaUs, in scapi 

 fdiolis vaginiformlhus y pidchre ruhentihis ornafi apice 

 hipinnatim v. rarius triplnnafm pannkulata, muUlflora, 

 glabra v, lepidoto-tomentella , circa floras nonnunquam 

 cero exsudato memorabiUs. Petala flava v, aurantiaca, 

 deflarata in color em sordidum mufata. 



Ob8. GcniiR hie .1 me constitntum pollinis graaulorum forma cum 

 Portea optime convenit, differt tamen toto coelo lial.itu, sepulis liberis, 

 aoribus aeseilibas. Species BrnsilieHses a.nmc 2, quibua acceduut siugula 



Gnianensis {Gravisia aquilega nob.), singula Antiliana. Planfae aiboribus 

 epipliytae silvarnm hnniidarnni incolae. 



CLAVIS SPECIERUM BRASILIENRIUM. 



A. Infloresrentia bijiinnata raraulis qnaquaverse l)racteas 

 gprentilma 1-0. kxsudans Mez. 



B. Inflorescentia Iripiunata ramulis subdisticlie l)iacteas geren- 



tibus 2. G. CHiiYSOCOMA Mez. 



VIl 



3 



et 



1. GRAVISIA EXSUDANS Mez: foliis margine aculeis 

 briiuiieis, iiiferioribus mfjjoribiis, rectis , superioiibns valde 

 minntis, suisum curvatis, remotis armalis ; infloiescentia bi- 

 pinnatim panniculata, bracteis quaqiuiversis; flonbusad 30 mm. 

 loiigis, aanintiacis, defloratis sordide bruniieis; petalis apice 

 acumiiiatis paulloque pungeiitibus ; ovario mateiie exsudala 

 cerea melliodora dense obtecto. 



Bromolia exsiidans Lodd. Bot. Cah. IX. 1824. t. 801; 

 Schdt. fd. in B. et S. Syst. VII. p. 1281 in adnot. 



Aechmea exstidans Bale. Brom. p. 44. n. 37. 



Tillandsia exsudans De-'^f Cat. ITnrt. Paris, edit. III. p. 50. 



Hohcnbergia exsudans E. Morr. in Belg. Hort. XXIX. 

 (1879) /). 352. t. XVIII 



Holienheryla capitata Schult. fil. in M. et S. Syst. 

 p. 1252; Lem. in III. Hort. XL (1864) Misc. p. 51, 



Aechmea capitata Gris. in Goett, Nachr. 1864. p. 

 Bak. in Journ. Bot. 1870. p. 167. 



? Bromelia p>anicidigera BcJib. (nee Sio.) (Brom. capl- 

 ttdigera Bchh.) Hort. Bot. s. Jl. Exot. IIL (1835) t. 239—240. 



Hoplopligium paniadaium Beer, Brom. p. 130 (e. j>., 

 excl. syn. Brom. bracteatae Sw.). 



EriPHYTA (fide el. Mautius !), acaulis, florifeia fere 1 m. al^a, foliis 

 perdense rosulatis suhtus arete connivcniibiis nti'iculum ad aquam plnvi- 

 alem din retinendam idononeiuu foinianlibus, basi in va^jinam permaui- 

 festani, late ovalem et utriuque longinscule attenuatani, utrinque lepidibus 

 iutus brnniieis , exteriore latere albidis perdense obtectam, praescrtini 

 prope apicem angusie byalino niarginatam ibique + lacinioso-dentatam 

 dilatatis, stricte erectis v. praesertim exterioiibns a medio paullo recnrvis, 

 coriaceis, valde caualicnlato-concaviSj margiue aculeis adsceudentibus, brun- 

 neis, infimis ra:jjoribus (ad 4 mm. lougis) rectis, superioribus valde minutis 

 (2 mm. baud txcedeutibus) fiursum curvatis, remotis armatis, super vaginam 

 nullo modo coustrictis, utriuque opacis supra dilute viridibus, subtua 

 virenti-ciueieis, utrinque sed praeseitim subtus lepidibus albidis perdense 

 obtectiSj vitii.s v. lineis omnino nullis. Infi^ouksckntia IbUa subaequaus 

 v- lis paullo superata, e cratero centralis in scapi crassi, dissite brunueo- 

 lepidoti, rulugiuoso-viridis, foliolis vagiuiforuubus, praesertim superior ibus 

 pukberrinie purpureis, elliptico-lanceolalis apiceque louge acutis, margine 

 integerrimis^ praesertim doiso conspicue lepidotiSj stricte adscendentibus 

 margincque involutis scapnm tubiilatim amplecteutibus, supremis iuflores- 

 centiam atttngentibns perdense induti apice multiflora, compacte capiti- 

 formis, subhemisphaerica apiceque late rotundata, e ramulis 4—8 sub- 

 pauciiloris, quaquaverse bracteas gerentibua composita bipinnatim panni- 

 culata, axibus viridibus, glabris; bracteis primariis secundariisque aequalibus, 

 + 26 mm, longis, late triangulo-ovatis , margine latiuscule byalinis iu- 

 tegerrimiSj apice spina validiuscule pungente, flavescenti praeditis, glabrius- 

 culiSj laete viridibus, venis longitudinalibus crebris striatis, interiore latere 

 aeque ac ovarium materiam albam, ceream saccbaratamque maxima copia 

 exsudautibus. Flores + 30 mm. v. paullo ultra longi, solemniter sessiles, 

 SEPAUS optirae flavis, + 18 mm. lougis, per antbesin stricte erectis 

 petalisque adpressis, coriaceis, solemniter s, convolutis, glabris, dorso con* 

 spicue carinatis, basin usque liberis, latere tegente angustissime recteque 

 truncatis, tecto in alam latam, membranaceam, baud alte productam 

 dilatatis, apice minutissime eniarginatis juxtaque insuper acnleo manifesto 

 mucronatis. Pktala optirae anrantiaca, deflorata in colorera sordide 



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