224 Fr. Kränzlin. — Orchidaceae-Odontoglosseae II. 



Sect. 14. Oblongata Kränzl. nov. sectio. 



Plwitubereulata, Homoeantha Lindl. Fol. Orch. Oncidium (1855) 37; Reichb. f. in 

 Walp. Ann. VI. (1861) 777; Cogn. in Fl. Bras. III. 6. 289 et 387 e. p. quoad species 

 vetustiores ante annum 1860 publici juris factas. — Labelli lobi laterales minuti, 

 auriculiformes, lobus intermedius multo major, cuneatus vel obcordatus vel reniformis, 

 crista valde variabilis, antiee fere semper bi- vel tricruris. — Folia pro planus parva, 

 quam inflorescentia multo breviora. Pseudobulbi diphylli, rarius monophylli, interdum 

 triphylli, inflorescentia racemosa vel (rarius) paniculata. Sepala petalaque reflexa. 



A. Sepala lateralia plus minus connata, quam petala paulo 

 angustiora. 



a. Sepala lateralia fere apicem usque connata . . . . . 22 4. 0. Mandonii. 



b. Sepala lateralia medium usque connata 222. 0. dasytyle. 



c. Sepala latjeralia basi tantum connata. Pseudobulbi 

 saepius 3, interdum di- vel monophylli. 



a. Crista labelli biseriata, in posteriore serie lamellis 2 



dentatis composita, in anteriore carinis 3 . . . . 223. 0. uliginosum. 



ß. Crista biseriata, in serie posteriore tuberculis 5 com- 

 posita, in anteriore lineis elevatis 3 . . . . . . 224. 0. hydrophilum. 



y. Crista in basi ipsa labelli crassa rectangula, in tuber- 



cula 6 divisa 225. 0. Blanchetii. 



ö. Crista in basi labelli trilamellata, lamella mediana 



longius producta. Pseudobulbi monophylli. . . . 226. 0. pirarense. 



B. Sepala lateralia libera vel vix connata, petala duplo latiora 

 vel imo latissima. 



a. Sepala lateralia basi ipsa connata. 



Crista labelli basi 7-fida, antiee tricruris, alae gynostemii 



quadratae 227. 0. fuscans. 



b. Sepala omnino libera. 



a. Crista in basi labelli plurituberculata , tuberculis 

 medianis basilaribus rostratis. Pseudobulbi 2- vel 

 3-pbylli 228. 0. Barbacentoe. 



ß. Crista labelli orbicularis, velutina, convexa, alae 



gynostemii dolabriformes. Pseudobulbi diphylli . . 22 9. 0. caesium. 



y. Crista labelli biseriata, series basilaris in tubercula 

 5 divisa, series antica tuberculis 3 longioribus com- 

 posita, labellum minute velutinum. 



* Labellum manifeste 3-lobum, lobi laterales postice 



auriculati, bilobuli 230. 0. Sellowii. 



** Ut praecedens, lobi tarnen labelli fere obsoleti . 231. 0. caldense 

 *** Crista papillis parvis et carinula Ulis anteposila 



composita. Gynostem. breve, marginatum . . . 232. 0. braehystegium. 



d. Crista in basi labelli pluries lobulata, daetylis 5 



antepositis. Pseudobulbi diphylli 233. 0. Warmingii. 



e. Crista labelli glabra, simplex. 



* Petala manifeste vel multo latiora quam sepala. 

 f Petala suborbicula ria , crista simplex antiee 



tridentata 2 34. 0. ampliatum. 



ff Petala spathulata, antiee rotundata, crista tri- 

 brachiata, brachia lateralia triangula, acuta, 



intermedium crasse tuberculosum 235. 0. Bemoullianum. 



tff Petala duplo tantum latiora quam sepala, spathu- 

 lata, crista 3-lamellata 2 36. 0. gyrobulbon. 



** Petala paulo tantum latiora. 





