483 



OKCHIDACEAE: BIFRENARIA. 



484 



Maxillaria Barringtoniae Hort. ex Reichb. f. Xenia 



Orch. I. 224 (1858) (non Lodcl). 

 Stenocoryne Harrisoniae K 

 Orch. III. 142 (1896). 



in Reichb. f. Xenia 



Radices numerosae, dense fasciculatae , elongatae, robustinsculae, 

 tortuosae, albidae, simplices vel leviter ramosae. Pseudobulbi dense 

 aggregati, erecti vel erecto - patuli , saepins leviter obliqui, nitidi, pallide 

 virides vel leviter flavescentes, apice saepius transverse atrofusco annulati, 

 5—7 cm. longi, 2 l /«— 3V« cm. crassi. Folia rigidiuscula, erecta vel erecto- 

 patula, superne plus minusve recnrva, basi subconduplicata, caeterum 

 plana vel paulo concava, supra intense viridia, subtus paulo pallidiora, 

 20—30 cm. longa, 6—10 cm. lata; nervis robustiusculis, supra satis im- 

 pressis, subtus valde prominentibus ; nervulis secundariis numerosis, 

 giacilibus. Pedunculi communes solitarii vel saepius geminati, plus 

 minusve flexuosi, teretes, laeves, intense virides, 3— 12 cm. longi; vaginae 

 laxiuscule adpressae, interdum leviter ventricosae, tenniter multistriatae, 

 dorso subcarinatae, fulvae vel fuscescentes, \ x li—2 x li cm. longae. Pedicelli 

 erecto-patuli, robusti, recti vel leviter flexuosi, teretiusculi , virides, cum 

 ovario tenuiter 6-sulcato 3—4 cm. longi. Flores nutantes, odoratissimi, 

 segmentis eburneo-albis. Sepala satis concava, tenuiter multinervulosa, 

 3 — 3*/, cm. longa, dorsale 17 — 18 mm. latum, lateralia satis obliqua, basi 

 intns leviter puberula, 2 cm. lata. Petala carnosula, patula, leviter 

 concava, paulo obliqua, inferne late cuneata, tenuiter multinervulosa 

 nervulis exterioribus satis ramosis, basi intus vix furfuracea caeterum 

 glaberrima, 3 cm. longa, 20—22 mm. lata. Labellum erectum, satis 

 concavum, purpureo-vinosum, crassiuscule multinervulosum nervulis satis 

 ramosis atropurpureis, fere 3 cm. longum, 26—28 mm. latum. Columna 

 erecta, crassa, paulo incurva, semicylindrica, alba, l 1 /* cm. longa; anthera 

 albo-flavescens. Capsula nutans vel pendula, sepalis petalisque marces- 

 centibns coronata, oblonga, obtuse trigona, leviter 6-sulcata, basi leviter 

 attenuata, apice subrotundata, demum fuscescens, 6 — 7 cm. longa, 23 ad 



25 mm. crassa. 



• ..... 



Formae bortenses satis numerosae; principales sunt: 



Var. alba Kraenzl. in Qartenfl. XXXVIII. 651. tab. 1312. fig. 2—3 

 (1889); Stein, Orchideenb. 85; Veitch, Man. Orch. PI. IX. 76; Kew 

 Bull., Addit. Ser. IV. 56. — Maxillaria Harrisoniae var. alba Lindl. 

 in Bot. Regist. XXVII. Misc. n. 68 (1841); Qartenfl. II. tab. 52. — 

 Lycaste Harrisoniae var. alba Hort. ; Gard. Chron. new ser. XX V. 436. 

 fig. 85 (1886); Williams, Orch. Oroiv. Man. edit. 7. p. 475. 



Var. ANGU8TI0R. — Maxillaria Harrisoniae var. angustior Lindl. 

 in Paxt. Flow. Oard. III. Glean. 92. fig. 277 (1853) ; Lemaire in Jard. 

 Fleur. III. Misc. p. 133 cum ic. 



Var. Buchananiana Reichb. f. in Gard. Chron. new ser. XI. 430 

 (1879); Rolfe in Orch. Rev. II. 162; Kew Bull., Addit. Ser. IV. 56. 



Var. citrina Stein, Orchideenb. 85 (1892). — Lycaste citrina Hort; 

 Williams, Orch. Grow. Man. edit. 6. p. 376 (1885), edit. 7. p. 472; Bois, 

 Orch. 135. — Lycaste Harrisoniae var. citrina Watson, Orch. 277 (1890). 



Var. eburnea Stein, Orchideenb. 85 (1892); Veitch, Man. Orch. 

 PI. IX. 77. — Lycaste Harrisoniae var. eburnea Moore in Orch. Alb. III. 

 tab. 100 (1883): Williams, Orch. Grow. Man. edit. 7. p. 475 ; Kew Bull., 

 Addit. Ser. IV. 244. 



Var. orandiflora Hort. — Maxillaria Harrisoniae var. grandiflora 

 Paxt. Mag. Bot. II. 196 cum tab. — Lycaste Harrisoniae var. grandiflora 

 Beer, Prakt. Stud. Fam. Orch. 262 (1854); Watson, Orch. 278. 



Var. pdbigera Reichb. f. in Gard. Chron. new ser. XI. 430 (1879); 

 Rolfe in Orch. Rev. II. 162. - Maxillaria pubigera Klotzsch in Otto et 

 Dietr. Allg. Gartenz. XXIII. 106 (1855). 



Var. pubpurascens Veitch, Man. Orch. PI. IX. 77 (1893). ' 



Habitat in prov. Rio de Janeiro: W. Harrison; in 

 umbrosis humidisque ad Serra dos Orgaos prope Praha Vermelha : 

 n . 127 ; in prov. Minas Geraes ad Caldas : Regnell ser. III. n. 

 Floret Aprili—Augusto. 



rupibus 

 Gardner 

 1140. — 



5. BIFRENARIA TYRIANTHINA Reichb. f. pseudo- 

 bulbis mediocribus , ovoideis vel ovoideo - oblongis , obtuse 

 tetragonis, apice monophyllis; foliis majusculis, coriaceis, 

 elliptico- oblongis, abrupte acutis, basi subrotundatis et in 



petiolum brevissimum vel subnullum abrupte attenuatis, pluri- 

 nerviis; pedunculo communi robusto, erecto vel suberecto, 

 pseudobulbis raulto longiore, 2— 3-floro, inferne vaginis pluribus 

 submembranaceis majusculis remotiusculis obtusiusculis vel 

 acutis vestito ; floribus magnis, carnosulis, longiuscule pedicel- 

 latis; sepalis late ligulato- oblongis, apice obtusis et minute 

 apiculatis, dorsali erecto, lateralibus paulo longioribus, erecto- 

 patulis, pedi columnae longissime producto tota basi adnatis, 

 mentum pedicelli paulo brevius anguste conicum apice obtusius- 

 culum formantibus; petalis elliptico-oblongis , apice subrotun- 

 datis, margine vix undulatis, sepalo dorsali satis brevioribus ; 

 labello ad medium pedi columnae inserto, sepalis lateralibus 

 aequilongo, longiuscule angusteque unguiculato, limbo ambitu 

 elliptico-obovato, extus vix furfuraceo, intus inferne densius- 

 cule puberulo superne villoso, basi late rotundato, superne 

 profundiuscule trilobato, lobis lateralibus late semi-oblongis, 

 erectis et satis incurvis, obtusis, margine integerrimis vel 

 obscure crenulatis, lobo terminali satis producto, satis recurvo, 

 transverse suborbiculari - elliptico , obtuso , margine leviter 

 undulato-subcrenulato, intus dense tomentoso praecipue ad 

 medium, callo ligulato, dense villoso, superne non vel vix 

 dilatato, apice truncato integerrimo; columna brevi, subclavi- 

 formi, dorso dense puberula, antice longiuscule villosa; 



> 



anthera valde convexa, glabrata, apice leviter cristata. 



» 



Bifrenaria tyrianthina Reichb. f. Xenia Orch. L 61 

 (1854) et 223; Regel in Gartenfl. XIII. 4. tab. 422. fig. 2 

 (1864); Rolfe in Lindenia X. 31. tab. 446; Bot. Mag. 

 tab. 7461; Journ. des Orch. V 123 et 155, VII. 21; Le 

 Jar din. XI. 32 (1897); Cogn. Diet. Ic. des Orch., Bifren. 

 tab. 2; Sander Orch. Guide 16. 



Lycaste tyrianthina Lodd. Catal. ex Loudon. Hort. Brit, 

 suppl. 3. p. 582 (1850). 



Maxillaria tyrianthina Hort. ex Bart, in Loudon, loc. cit. 

 (1850); Josst. Beschr. u. Cult. Orch. 272 (1851). 



Bifrenaria Dallemagnei Hort. Linden ex Lindenia X. 31 



> 



(1894); Journ. des Orch. VII. 110. 





Radices numerosae, dense fasciculatae, elongatae, robust iusculae, 

 satis flexuosae, albidae, simplices vel paulo ramosae. Pseudobulbi dense 

 aggregati, erecti vel erecto-patuli, saepius paulo obliqui, nitidi, intense 

 virides, apice transverse late atrofusco-annulati, 5— 8 cm. longi, 3— 4V 2 cm. 

 crassi. Folia rigida, erecta vel erecto -patula, superne plus minusve 

 recnrva, basi subconduplicata, caeterum plana vel paulo concava, supra 

 saturate viridia, subtus paulo pallidiora, 12—20 cm. longa, 6—8 cm. lata; 

 nervis crassiusculis , supra profundiuscule impressis, subtus valde pro- 

 minentibus; nervulis secundariis numerosis, gracilibus. Pedunculus com- 

 munis plus minusve flexuosus vel subrectus, leviter compressus, laevis, 

 viridis, 10—20 cm. longus, 4—7 mm. crassus; vaginae laxiuscule ad- 

 pressae, leviter ventricosae, tenuiter multistriatae, dorso superne leviter 

 carinatae, pallide fulvae vel leviter dilute purpureae, V/%— 27» cm. longae. 

 Pedicelli erecti vel erecto-patuli, robustiusculi , recti vel paulo flexuosi, 

 teretiusculi, intense virides, cum ovario tenuiter 6-sulcato 3—4 cm. longi. 

 Flores erecto-patuli, odorati, pallide purpureo-violacei. Sepala satis 

 concava, tenuiter multinervulosa, l 1 /* cm. lata, dorsale 3 cm. longum, 

 lateralia leviter obliqua, basi intus breviter villosa, 3 1 /* cm. longa. Petala 

 carnosula, erecto -patula, leviter concava, paulo obliqua, inferne leviter 

 attenuata, tenuiter multinervulosa nervulis exterioribus superne satis 

 ramosis, intus breviter pnbescentia praecipue ad basin, 26—27 mm. longa, 

 13—14 mm. lata. Labellum erectum, valde concavum, crassiuscule multi- 

 nervulosum nervulis intense purpureis valde reticulato- ramosis, 4 cm. 

 longum, 20—23 mm. latum. Columna erecta, crassa, satis incurva, semi- 

 cylindrica, flavescens, 9-10 mm. longa, basi in pedem 4 cm. longum 



