Iß4r Fr. Kränzlin. — Orchidaceäe-Odontoglosseae II. 



4 ad 5 mm longi, 3 mm lati, basis labelli parce puberula, sensim angustata, obtriangula, 

 subito in laminam lobi intermedii subquadrilobam dilatata, sinus inter lobos angustissimi, 

 lobuli omnes semiorbiculares, lobulus anticus profundiuscule bilobus, lobuli antici minores, 

 totum labellum sulphureum vel luteum, 2 ad 2,5 cm longum, ad 3 cm latum, crista 

 elongata, carnosa, antice triangula, additis utrinque tuberculis compluribus camosis, 

 vulgo biseriatis, seriebus lateralibus multidentatis. Gynostemii alae longiusculae, mem- 

 branaceae, apice rotundatae, paulum elongatae. — FI. Martio et Aprili. 



Südbrasilianische Provinz. Staat Minas Geraes (Martius n. 1844), bei las 

 Caldas (Regnell, ser. II, n. 267!); ohne genaueren Standort (Sellow n. 1420!). 



Nota. Flores labello magno eximii, illos 0. varicosi Lindl. quodammodo mediocris imi- 

 tantur. 



121. 0. varicosum Lindl. in Bot. Reg. sub t. 1929 (1837); in Journ. Hort. Soc. 

 Lond. V. (1850) 143; Reichb. f. in Walp. Ann. VI. (1861) 738; Paxton, Flow. Card. I. 

 106, Gleanings 148; Fol. Orch. Oncid. 24; Williams, Orch. Alb. IV. t. 192; Orch. Grow. 

 Man. 7. ed. 63 4; l'Orchidophile (1886) 136; Nichols. Dict. Gard. II. 431; Veitch, Man. 

 Orchid. PI. VIH. 88 c. ic; Cogn. Dict. Icon. Orch. Oncidium t. 18; Bull. herb. Boiss. 

 190 3, 935; Sander, Orch. Guide 194; Cogn. in Fl. Brasil. III. 6. 324. — Pseudobulbi 

 oblong! ovative, compressiusculi, leviter sulcati, di- vel rarius triphylli, 6 ad 1 cm 

 longi. Folia ligulato-lanceolata, acuta vel acuminata, 15 ad 25 cm longa, ad 3 cm lata, 

 glaucescentia. Paniculae ad 1,5 m longae, nutantes, pluriramosae, multiflorae, floribus 

 satis distantibus, vaginulae scapi, bracteaeque et ramorum et florum valde reductae, 

 pedicelli cum ovariis vix crassioribus ad 4 cm longi, virides. Sepalum dorsale ovatum 

 vel oblongum, concavum, acutum, sepala lateralia medium usque connata, obovata, acuta, 

 reflexa, ad 5 mm longa, ad 2,5 mm lata. Petala oblonga, acuta, aequimagna, omnia 

 reflexa, lutea, purpureo-vittata. Labellum multo majus, lobi laterales rotundati, postice 

 tridentati, lobus intermedius maximus, transverse oblongus, plus minus manifeste qua- 

 drilobus, lobis omnibus rotundatis, antice plus minus profunde emarginatus vel bilobulus, 

 totum labellum 2,5 cm longum, lobi laterales 1 cm longi et lati, lobus intermedius 

 2 cm longus, 3 cm latus, crista basilaris tridactyla, protuberantiis tortis quibusdam 

 circumdata, totum labellum luteum, basi macula purpurea vel castanea plus minus extense 

 decorum. Gynostemium pro flore breve, alae apicales deflexae, rotundatae, tabula 

 infrastigmatica carnosula, nitida, utrinque rotundata. 



Var. a. Rogersii Reichb. f. in Gard. Chron. (1870) 277, fig. 48. [Haec icon pluries 

 repetita est]; Flor. Mag. (1870) t. 477; Florist and Pomol. (1870) 25, t. 30 4; Fl. d. 

 Serres XVIII. (l 870) 1 50 c.ic; Warner, Sei. Orch. II. t. 31 ; Jennings, Orch. t. 29; E. Morren 

 in Belg. hortic. XXVIII. 1 72, t. 6—7, XXIX. 127; Nichols. Dict. of Garden. II. 491 ; Williams, 

 Orch. Alb. V. sub t. 207 et Orch. Grow. Man. 7. ed. 63 4, c. ic. xyl. ex Gard. Chron. ; Pfitz. 

 in Engler-Prantl, Nat. Pflzfam. II. 6, 201, fig. 219 (eadem ac praecedens); Veitch, Man. 

 Orch. PI. VIII. 88 (eadem ic); Cogn. in Lindenia XI. 67, t. 512; Dict. Icon. Orch. Oncid. 

 t. 18^4; The Garden (1899) 408, t. 1226. — One. Rogersii hört, ex Batem. in Gard. 

 Chron. (18 60) 1377. — One. varicosum var. Southorangense Grey in Amer. Gard. 

 (1895) 74. — Differt a typo cui ceterum persimilis praesertim labello multo majore, 

 interdum ad 5 cm lato coloribusque intensioribus. 



Var. ß. concolor Cogn. Dict. Icon. Orch. Oncid. t. 1 8. — Differt floribus minus 

 eximiis, luteis, plus minus viridi-suffusis. 



Var. y. insigne Rolfe in Orch. Rev. VI. (1898) 27; X. 151; Gard. Chron. II. (1899) 

 338. — One. varicosum var. Moortebeekiana L. Linden in Gard. Mag. (1902) 177 c. ic; 

 Lindenia XVI. t. 767; Kew Bull. (1903) App. III. 96, a qua vix differt var. sequens ö. — 

 Differt floribus minoribus, macula magna intense purpurea in basi labelli.. 



Var. ö. Lindenii hört.; Gard. Chron. II. (1899) 441; Lindenia XVI. t. 752. — Differt 

 solummodo coloribus paulo saturatioribus lobisque lateralibus castaneis, apice tantum 

 luteis. — Ab hortulanis quibusdam subvar. Moortebeekiana huic varietati adscribitur 

 flores paulo minores habens, paulo densiores, macula basilari haud radiante. — Est 

 mea sententia forma varietatis ö. 



