493 



ORCHIDACEAE: BIFRENARIA. 



494 



hasi non vel vix attenuate, tenuiter 7 n r ill 11, 9—10 ram. longa, 4 ad 



6 ram. lata, lateralia satis obliqua. Pbtai.a erect a , membranacea , paulo 



concava, interne leviter atteuuata, tenuiter 5-nervulosa, vix obliqua, 



9—10 nun longa, 3—4 ram. lata. Lahf.lum erectuiu, superne vix 



recurvum, valde concavnm, tenuiter plurhien ulosum, unguirulo 9 — 11 ram. 



lou^o, cireiter IVi ram. lato. Umbo 7-8 ram. longo et 5-6 mm. late, 



COLUMKA erect a, leviter ineurva, acutiuscnle trigona, inferne vix attenuata, 



6 ram. longa, basi in pedera 10—11 rara. lougum prod acta. Carer la 

 perfecta ignota. 



Habitat supra arbores prope Panure prov. Alto Amazonat: Spruce 

 n. 2935. — Etiam in Guiana anglica ad Demerara : Schomburgk ; in 

 poinds ad Joden Savanna Surinami: W'ullschlaegel n. 1808. — Floret 

 Januario. 



15. BIFRENARIA VITELLINA Lindl. pseudobulbis 

 parvis, late ovoideis, acutiuscule tetragonis, apice monophyllis; 

 foliis medioeribus , subcoriaceis, anguste lanceolatis, acutis, 

 inferne cuneatis, basi in petiolum elongatum attenuatis, 

 3— 5-nerviis; pedunculo communi erecto vel ascendente, 

 gracili, foliis cireiter aequilongo vel paulo breviore, inferne 

 vaginis paucis tenuiter membranaceis brevibus subabrupte 

 acutis remotissimis vestito, apice laxiuscule plurifloro; bracteis 

 minutis, triangulari-lauceolatis, acutissimis; floribus parvis, 

 breviuscule pedicellatis; sepalis submembranaceis, aequilongis, 

 patulis vel erecto -patulis, oblongo -lanceolatis, dorsali sub- 

 abrupte acuto, lateralibus acutissimis, pedi columnae longe 

 producto tota basi adnatis, in calcar spurium breviusculura 

 conicum acutiusculum connatis; petalis anguste oblongis, acutis, 

 sepalo dorsali paulo brevioribus; labello ad apicem pedi 

 columnae inserto , sepalis lateralibus aequilongo , carnosulo, 

 extus glabrato, intus puberulo praecipue ad basin et prope 

 apicem, brevissime angusteque unguiculato, limbo ambitu late 

 triangulari-obovato, basi late cuneato, superne profundiuscule 

 trilobato, inferne callum ligulatuin glabratum apice truncatum 

 et leviter trilobatum ferente, lobis margine undulato-crenulatis, 

 lateralibus subrotundatis , terminali leviter producto , late 

 subrectangulari, apice leviter emarginato; columna brevius- 

 cula, satis gracili, tenuissime puberula praecipue antice; 

 anthera convexa, subtiliter puberula. 



Tabula nostra C VIII. Fig. I (habitus cum analysi). 



« 



Bifrenaria vitellina Lindl. ! in Bot. Regist. XXIX. sub 

 Misc. 67 (1843) ; Reichb. f. in Walp. Ann. Bot. VI. 549; 

 Du Buyss. L' Orchid. 206; VeUch, Man. Orch. PL IX. 78; 

 Williams, Orch. Grow. Man. edit. 7. p. 122; Autr. et Diir. 



Hort. Boiss. 316. 



Maxillaria vitellina Lindl! in Bot. Regist. XXI V. 



Misc. 116 (1838), XXV. tab. 12; Lemaire, Fl. ties Serres de 



VAnglei. Mars 1839 (Bot. Reg.) tab. 12; Duchartre, Man. 



Gen. des PI. I V. 513. 



Maxillaria barbata Knowl. et Westc. in PhytologisU p. 7; 



Reg 



Orchideenb 



(1892). 



Slenocoryne vitellina Kranzl. in Reiclib. f. Xenia OrcJi. 



III. 142 (1896). 



numero8ae, dense fascicolatae , elongatae, graciles, satu 

 •tuosae. canescentes, satis ramosae. Pseudobulbi aggregati 



erecti vel patuli, pint mi nun re obliqui, intense viridee vel fuacescentee, 

 laeves, 2Vt— 4 cm. longi, l 1 i— V/t cm. erassi. F <>i u erecta vol erecto- 

 patula, rigidiuscula, leviter concava vel ■ubplana, supra ssturate viridia, 

 8ii lit us satis pallidiora, 12—22 cm. longa, 2—4 cm. lata, petiolo 

 gracili, lateraliter valde compreaao, supra profunde canaliculate, 2—5 cm. 

 longo; nervis craasiusculis, supra leviter impressia, subtus satin prorai- 

 nentibus; nervulii secundaria numerous, gracilhmis. PiDCXCULce com- 

 munis satis fiexuosus, teretiusnilus, laevis, paUide viridis, 15—22 cm. 

 longus, cireiter l'/t mm. crassos; vagina I arete adpreaaae, subtiliter multi- 

 striatae, fulvo-vi rides, 7—12 mm. longse. Pidkilli plus minusve patuli, 

 graciles, recti vel paulo flexm.**, teretiusculi, laete virides, 2— 2*/t cm. 

 longi. Hhacteag adpressae, ligidiuscuiae, sat^ concavae, laevee virides, 

 4 — 6 mm. longse. Flores subrecti vel patent issimi, Kegmentis laete lutets. 

 Skpai.a leviter ooncavs, interne paulo attenuata, tcuuiter muhimrv uloaa, 

 11—12 mm. longa, 4—5 mm. lata, lateralia satis obliqua. Petala 

 vel erecto - pat u la, memhrsuscea, leviter concava, bast sails attenuate, 

 tenuiter 5-nervuloaa nervuli* sati* ramosis, psulo obliqua, 10—11 mm. 

 longs, 8 ! /t — 4 mm. lata. Labklli M e lum, api< •«■ l«\iter recurvum, valde 

 concavum , tenuiter multinervulonum nervulia superne leviter ramosis, 

 15-17 mm. longum, 12—13 mm. latum, 1o1k> terminal! ad medium 



s.ifpiiiN macula uiiica nmjiiMtila totundatj |tr<>- purpurea oroalo CoLUMNa 

 erecta, leviter incurvs, acutiuscule trigona, basi paulo attenuate, 4 

 longa. Capsi'La perfecta ignota. 



Habitat in lira m! hi 



Hort. Loddiget, Sellout; in prov. 

 Gardner n. 649. 



locia occur alia hand indicate : 

 Hio de Janeiro ad Serra dot Orgdot: 



16. BIFRENARIA LEUCORRHODA Reichb. f. affinis 



Bifrenarme vitellinae Lindl., labelli callo depreno, utrinque 

 adnato nee libero, basin versus labelli, nee intra lobos; 

 labello cuneato, dilatato, medio utrinque obtusangulo, lobo 

 terminali porrecto ligulato retuso. 



Iteichh 

 Bot. V 



(iartenM, 



lie 



plandia 111. 217 (1855). 



Slenocoryne leucorrlwda Kranzl. in ReiM. f. Xenia 



Orch. III. 142 (1896). 



„RacemoRa, grandiflora. Flores candidi , radii labelli antici pnr- 

 purei, pubes circumspersa.* 1 — Species mihi haud visa; deecript. ex 

 Reichb. p. loc. cit. 



Habitat in Brasilia loco accurato haud indicate: Hort Otto 

 Hamburg. 



Orchid. II. 



2. Label him indivisom vel obscure lobatum. — Species 17—20. 



17. BIFRENARIA RACEMOSA Lindl. pseudobulbis 

 parvis, ovoideis, compressis, tetragonis, apice monophyllis; 

 foliis medioeribus, subcoriaceis, oblongo -lanceolatis, acutis, 

 basi in petiolum brevissimum attenuatis, trinerviis; pedunculo 

 communi erecto vel ascendente, gracili, foliis satis longiore, 

 inferne vaginis paucis submembranaceis brevibus acutis 

 remotissimis vestito, apice laxiuscule pluri — submultifloro; 

 bracteis minutis, triangulari-linearibus, acutissimis; floribus 

 parvis, breviuscule pedicellatis; sepalis membranaceis, aequi- 

 longis, obovato-oblongis, acutis, dorsali erecto, lateralibus plus 

 minusve patulis, pedi columnae longe producto tota basi 

 adnatis, in calcar spurium breviusculum oblongo -conicum 

 acutiusculum connatis; petalis lanceolatis, acutis, sepalo dorsali 

 paulo brevioribus; labello fere ad apicem pedi columns* 



63 



