Oncidium. 135 



apice emarginatum, 2 cm longum, 1,5 cm latum, sepala lateralia minora, obovato- 

 oblonga, obtuse acutata, basi paulum connata, 1,8 cm longa, 1 cm lata. Petala latis- 

 sime obovata, suborbicularia, emarginata, undulata crenulatave, 2,3 cm longa, ad 2 cm 

 lata, haec omnia castanea, luteo-marmorata et marginata, additis maculis castaneis 

 in zona lutea. Labelli lobi laterales minuti, auriculiformes, oblongi, lobus intermedius 

 multoties major, transverse oblongus, emarginatus, toto margine undulatus, crista la- 

 belli brevis, antice bicruris, brevi-pilosa, totum labellum 2,5 cm longum et latum, 

 luteum, maculis castaneis sparsis praesertim basin versus obsitum. Gynostemium satis 

 gracile album, pilosulum, alae truncatae, carnosulae, glabrae. »Capsula nutans, oblonga, 

 vix obliqua, obtuse trigona et tenuiter 6-sulcata, basi acuta, apice leviter attenuata, 

 ad 6 cm longa, ad 1,8 cm crassa.« — [ex Cogniaux.] 



Var. discoidale Reichb. f. in Gard. Chron. N. S. XXV. (1886) 488; Kew Bull. 

 Add. Ser. IV. 302; Cogn. in Fl. Bras. 1. c. ; differt labelli lobo intermedio immaculato. 



Var. punctulatum L. Linden in Sem. Hortic. I. (1897) 289 et Lindenia XIII. 

 t. 577; Kew Bull. (1898) Append. II. 51. — Differt a typo floribus majoribus, labelli 

 lobo intermedio densius fusco-punctato. 



Südbrasilianische Provinz. Im Orgelgebirge bei Rio de Janeiro bei Nova 

 Friburgo (hört. Veitch) ; Säo Paulo (hört. Williams). — Blüht im April und Mai. 



Nota. Adest in herbario Vindobonensi (olim Reichenbachiano) speciraen cum schedula 

 * Oncid. flabellul. Bigbyanum, F. Sander, Dec. Ded. 89«. Hoc specimen nil aliud est nisi 0. 

 sarcodes Lindl. — Nomen igitur illud inter Synonyma speciei satis notae Lindleyanae rejicien- 

 dum erit. 



69. 0. Marshallianum Reichb. f. in Gard. Chron. (1866) 682, (1868) 1338, 

 N. S. VIII. (1877) 778; Bot. Mag. t. 5725; Fl Mag. N. S. t. 285; Belg. Hortic. (1878) 

 105; Regel in Gartenfl. (1879) 193, t. 979; Williams, Orch. Alb. V. t. 2 40 et Orch. 

 Grow. Man. 7. ed. 622 c. ic; Lindenia V. 23, t. 202; Veitch, Man. Orch. PI. VIII. 

 60 c. ic. ; Cogn. Dict. Icon. Orch. Oncid. t. 8; in Fl. Brasil. III. 352; Sander, Orch. Guide 

 186. — Pseudobulbi aggregati, ovati oblongive, 10 cm longi, basi 4 ad 4,5 cm crassi, 

 laete virides, subcompressi, haud proprie ancipites, diphylli. Folia oblongo-lanceolata, 

 laete viridia, subtus pallidiora, ad 15 cm longa, 2,5 ad 3 cm lata, subtus leviter cari- 

 nata. Scapus cum inflorescentia 60 ad 80 cm (interdum c. 100 cm) longus, nutans. 

 Flores in paniculam pluri- ad multifloram dispositi, ramis simplicibus arcuatis, bracteae 

 minutissimae, pedicelli cum ovariis 3,5 ad 4 cm longi, tenues, leviter curvati. Sepala 

 ovalia vel oblonga, apice rotundata, dorsale 1,5 cm longum, 25 mm latum, lateralia 

 similia angustiora, acuta, basi ad Y 3 totius longitudinis connata, 2 cm longa, 5 mm 

 lata, lutea vel plus minus — praesertim extus — viridia, brunneo-vittata et maculata. Petala 

 multo majora, obovata, brevi-unguiculata, saepius subpandurata, antice emarginata, un- 

 dulata, 2,5 cm longa, 1,2 ad 1,5 cm lata, lutea (rarius dilute viridi-suffusa) medio 

 irregulariter castaneo-vittata, margine semper lutea. Labelli longi unguiculati lobi 

 laterales breves, auriculiformes, isthmus longus, angustus, linearis, in laminam amplam 

 trapezoideam, antice profunde bilobam dilatatus, totum labellum 3 ad 4,5 cm longum 

 et antice fere 5 cm latum, intense luteum, basi roseo-punctatum , crista incrassata, 

 polydactyla, ambitu triangula, digiti 3 utrinque obliqui, additis 2 majoribus posticis, 

 tribus minoribus anticis. Gynostemii perbrevis alae quadratae, antice retusae, albidae, 

 tabula infrastigmatica mediocris. — Ex vivo! — Fl. Maio, Junio. 



Südbrasilianische Provinz. Staat Rio de Janeiro, Orgelgebirge bei Neu-Frei- 

 burg (Blunt); Staat Minas Geraes (Godefroy-Leboeuf). — Seit 1865 in Europa 

 kultiviert. 



Nota. Distinguuntur ab hortulanis formae 2 solummodo florum colore plus minus inten- 

 siore diversae, seil. *aurantiaca« Cogn. in Gard. Chron. (1901) 322 et *sulphnrea« Hort, in Gard. 

 Chron. S. 3. XXIX. (1901) 272. 



Huc inseratur hybrida naturalis: 



0. Stanleyi Rolfe in Orch. Rev. XIV. (1906) 286 et XV. 281, fig. 32; Journ. 

 Horticulture (1906) II. 267. — Flores tota indole intermedii inter illos O. Marshalliani 



