25 



ORCUIDACEAE: LABIUM. 



26 



B. Pollinia aequalia: labelluin basi insensim dilatatuni. 



1. Colunina longiascala vel elon^ata, apice non petaloideo-dilatata; anthem innnnbens vel Bubpendula 



a. Sepala petalaque non undulata; label !i lobi laterales col um Dam involventei 



b. Sepala petalaque undulata; labelli lobi late ratal demum explanati . . 

 2. Colunina brevis, superne ad latera stigmatis subpetaloideo-dilatata; anthera 



erecta 



L, LAELIA Lixul. 



LL SCHOMBURGKiA Lixdl 



L1I. SOPHRONITIS Lindl. 



XLIII. LANIUM Hesth. 



Laxium Benth. in Joum. Linn. Sor. Lond., But. XVI 1 1. 310 



(1881), in Honk. Ic. PL XIV. tab. 1334 et 1335 (1881), in 

 Benik. d Hook. Gen. PI. III. 523; LOrdUdopk 1891 p. 351. 



Ei'iDKNinir.M sect. Lami.m Lindl. in Hook. Joum. of Hot. Ill 



81 et 85 (1841), Folia Orchid., EpuL 43; Endl. Gen. Suppl. II. 



16. 



Epidbndrj spec Reichb. J., Pfiis. et Auct. 



Sepala aequiloDga, paten tia, postioum liberum, 

 incurvum, lateralia latiora, falcata, basi columna6 tubo 

 adnata, montum breve obliquum formuntia. Pet a la 



aMtustioni. LABELLUM basi 



scpalo postico similia 

 cum colunina in tubuni brew connatuin, dcin erect o- 

 patens, concavum, acuminatum, indivisum. OoLUMNA 

 brevis, marginibus membranaccis cum labelli basi in 

 tubum connatis; clinandrium ainplum, mcnibranaccuni, 

 lobis lateralibus latis, postico parvo. ANTHEHA tenni- 

 nalis, opercularis, incumbens, convexa, bilocularis ; 



loculis septo trans verso vel obliquo bilocellatis; POLLINIA 4, 

 cerea, ovoidea, acuta vel acuminata, in loccllis super- 

 posita, apicibus visco parco granuloso vel pollinioruni 

 superiorum in filum extenso connexis. Capsula . . . 



Herbae epiphyticae, Brasiliae oriental is et Guianae 

 incolae, caulibus e rhizomatc repente nanis basi vaginalis, 

 saepius pseud obul bos is foliis 2 — 3 coronatis, rarius non 

 vel vix incrassatis foliis numerosis distichis recurvo- 



patentibus. Folia rigida vel carnosula. Pedunculv> 

 terminalis, tenuis, ramosus vel simpliciter racemosus. 

 F LORES parvuli, breviter pedicellati, sepalis extus pu- 

 berulis. 



CONSPECTUS SPIX'IKKIM 



IT 



Canles seenndarii psendobnlbosi, dipbylli. 



A. Folia, plana, coriacea, ovata vel oblonga; pednnculns communis 

 foliis mill to longior. 



1. Psendobnlbi ovoidei vel ovoideo-oblongi; folia sae- 

 pins ovata; sepala lanceolata, acuminata; petala 

 basi apiceqne longe attennata; labellum angnste 

 acuminatum 1. L. Avictla Rentb. 



2. Psendobnlbi lineari oblongi ; folia oblonga; sepala 

 ovato-lauceolata, acuta; petala basi apiceqne vix 

 attenuala; labellum acntiusculum . 2. L. I'kkkeleyi Rolfc. 



B. Folia teretiuscula, carnosa, lineari-subulata; pednn- 



culns communis foliis aecjuilongns . . 3. L. sihulatum Kolfe. 

 Canles secundaria non pseudobulbosi, polypbylli 



4. L. MICROPHYI.LT'M P.cnlb. 



1. LANIUM AV1CULA Bknth. pseudobulbis ovoideis 

 vel oroideo-obkragis , vix aneipitibus, nunc subtetragonis, 

 vaginalis, apice dip by Ilia ; foliis suboppoaitis, planis, coriaeeis, 

 Baepiaa ovatis, basi subrotundatis, apice acutis, marline 



laevibus; pedunculo raceinoso vel paniculate pluri— multifloro, 



foliis mnlto longiore, cum bracteis extus pedioellii ovariis 



sepalisqaa extus dense albido-velutinis ; braeteis trian<rularibus, 

 acuniinatis, trinerviis, scarioaii; sepalis triangulari-lanceolatis, 

 acuniinatis, trinerviis, lateralibus paulo latioribus lalcatis; 

 petalis angustissime lineari-laneeolatis, acuniinatis. uninervns, 

 sepalo dorsali aequilongis; labello sepalis lateralibus paulo 

 breviore, cuneato-i hombeo, angnste acumioatO, utrinque obtus- 

 angulo, venis ternis inediis a basi in medium incrassatis, 

 denticulo utrinque in basi eonfluente superaddito; columna 

 trigona, subcompre> i. 



Talnila nostra \ III Fig. I. ( habitus rum anali/si). 



Lanium Avicula Bcnth.! in Hook. Jr. PL XIV tab. 1335. 



Epidendntm Avic.nl a (Aviade) Lindl! in Hook. Joum. 

 of Hot. III. 85 (1841), Folia Orck., Epid. 43; Reichb. j. in 



Walp. Ann. Bot. VI. 360. 



Kiiizoma scandens rel rcpens, robustum, viride, plus minusve 

 flexuosum, multi-artictilatnm, polyrbizum, 2 — 4 mm. rrassum, radicibttl 

 advent itiis fi 1 i form i bus, ilcxnosis, mux- mittOttt, torulosis, mnltilbxis. 

 Pil UDOB0LB1 Hulxlist.inlcs, imginis b;iseos triangulls acutid rettiti, 2— 3 cm. 

 longi, sub antbesl nomlnm maturi oblongi, IcnMcs, port aiitbcsin ovoidei. 

 POLIA eretta vel erecto-]>atula, rigida, intense viridia, margine leviter 

 revohita, uninervia et t«nuiter multinervnlosa , l f /t— 27* cm. longa, 

 8 — 15 nun. l;ita, nervo mediano robotto, supra ]»rofundi usenle e.inalieul.ito, 

 subtus valde prominente. PinuNeia.rs communis erectus, rectus vel paulo 

 flexuosus, gracilis, teres, laxiflorus, inferne nudus vel sqnarnis paucis 

 bracteiformibns vestitus, 7 — 12 cm. longus, simplex vel pauci-ramosus; 

 pedicelli filiformes, saepius crecto-pit uli, pins minusve arcuati, 7— Pimm, 

 longi. Bractkak erecto-patnlae, valde concavae, 2 — 3 mm. lon^'ae. Al-A- 

 bastua mire cum ovario angnlata avis caput simnlantia. Ovarium fusi- 

 forme, leviter incurvum, 2 , /s— 3 mm. longum. Sepala membranacea, satis 

 eoncava, flavo-viridia, interdum rubro-punctata, 5'/t — 6 mm. longa, dorsale 

 leviter incurvnm, l'/iinin. latum, lateralia superne paulo recur va V,* mm. 

 lata. PtTALA tenuitcr membranacea, pat u la, leviter llexuosa, basi apiceqne 

 longe attenuata, flavo-viridia et interdum rubro-punctata, 5\'« — B mm. 

 longa, */8 mm. lata. Labkli.vm membranaoeum , erectum apice leviter 

 recurvuin, valde concavum, vircscens vel flavoviride, 4 1 /*— 5 mm. longum, 

 2 1 /* mm latum. Columna erecta, 2 — 2'/» mm. bmga, antice flavo-viridte, 

 postice viridis et inteidum rubro-punctata. (-APfCLA perfecta ignota. 



Var. p. long i folia Co(jn. 



Epidendrum Avicnla Reichb. J. in Saunders, lief. Bot. 11. 



tab. 138 (1882); Kriinzl. in Reichb. f. Xenin Orchid. III. 84. 

 tab. 246. I— II. fig. 1—7. 



Planta tota robustior, pseudobulbis saepius satis longioribns. Foi.ia 

 oblonga, acuta vel breviter acuminata, 3 — 4 ! /i cm. longa, 7 — 15 mm. lata. 

 Pkih \rii.i s communis usque 2 dm. kmgtM. 



Habitat in arbarilms ad Sena dos Organs pror. Rio de Janeiro: 

 Gardner n. 625; in nrhnrihus H rupibns prnpr Thn-rsopntis : .7 dr Maura 



